Bicycle Parts

1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Universal for mountain/road flywheels

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Universal for mountain/road flywheels

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Universal for mountain/road flywheels

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Universal for mountain/road flywheels

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Universal for mountain/road flywheels

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 10 Speed 40T (silver): 429g, 10 Speed 42T (silver): 442g, 11 Speed 40T (silver): 446g, 11Speed 42T (silver): 460g, 11 Speed 46T (silver): 546g, 11 Speed ??50T (Silver): 580g, 12 Speed ??50T (Silver): 600g, 9 Speed ??42T (Silver): 426g, 12 Speed ??52T (Silver): 688g, 11 Speed ??52T (Silver): 669g, 9 Speed ??40T (Silver) : 409g, 9 Speed 46T (silver): 426g, 8 Speed 42T (silver): 371g, 10 Speed 42T (black): 416g, 11 Speed 46T (black): 554g, 11 Speed 50T (black): 575g, 11 Speed 52T (black): 674g, 12 Speed 50T (black): 589g, 12 Speed 52T (black): 691g, 10 Speed 50T (silver): 541g, 9 Speed 42T (black): 418g, 11 Speed 42T (black): 450g, 10 Speed 50T (black): 540g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 10 Speed 40T (silver): 429g, 10 Speed 42T (silver): 442g, 11 Speed 40T (silver): 446g, 11Speed 42T (silver): 460g, 11 Speed 46T (silver): 546g, 11 Speed ??50T (Silver): 580g, 12 Speed ??50T (Silver): 600g, 9 Speed ??42T (Silver): 426g, 12 Speed ??52T (Silver): 688g, 11 Speed ??52T (Silver): 669g, 9 Speed ??40T (Silver) : 409g, 9 Speed 46T (silver): 426g, 8 Speed 42T (silver): 371g, 10 Speed 42T (black): 416g, 11 Speed 46T (black): 554g, 11 Speed 50T (black): 575g, 11 Speed 52T (black): 674g, 12 Speed 50T (black): 589g, 12 Speed 52T (black): 691g, 10 Speed 50T (silver): 541g, 9 Speed 42T (black): 418g, 11 Speed 42T (black): 450g, 10 Speed 50T (black): 540g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Universal for mountain/road flywheels

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 10 Speed 40T (silver): 429g, 10 Speed 42T (silver): 442g, 11 Speed 40T (silver): 446g, 11Speed 42T (silver): 460g, 11 Speed 46T (silver): 546g, 11 Speed ??50T (Silver): 580g, 12 Speed ??50T (Silver): 600g, 9 Speed ??42T (Silver): 426g, 12 Speed ??52T (Silver): 688g, 11 Speed ??52T (Silver): 669g, 9 Speed ??40T (Silver) : 409g, 9 Speed 46T (silver): 426g, 8 Speed 42T (silver): 371g, 10 Speed 42T (black): 416g, 11 Speed 46T (black): 554g, 11 Speed 50T (black): 575g, 11 Speed 52T (black): 674g, 12 Speed 50T (black): 589g, 12 Speed 52T (black): 691g, 10 Speed 50T (silver): 541g, 9 Speed 42T (black): 418g, 11 Speed 42T (black): 450g, 10 Speed 50T (black): 540g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 8-speed 42T: 377g, 9-speed 42T: 415g, 10-speed 42T: 440g, 10-speed 50T: 538g, 11-speed 40T: 443g, 11-speed 50T: 578g, 12-speed 50T: 599g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 9-speed 42T: 426g, 10-speed 42T: 458g, 10-speed 50T: 540g, 11-speed 50T: 590g, 11-speed 52T: 690g, 12-speed 50T: 615g, 12-speed 52T: 710g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 10 Speed 40T (silver): 429g, 10 Speed 42T (silver): 442g, 11 Speed 40T (silver): 446g, 11Speed 42T (silver): 460g, 11 Speed 46T (silver): 546g, 11 Speed ??50T (Silver): 580g, 12 Speed ??50T (Silver): 600g, 9 Speed ??42T (Silver): 426g, 12 Speed ??52T (Silver): 688g, 11 Speed ??52T (Silver): 669g, 9 Speed ??40T (Silver) : 409g, 9 Speed 46T (silver): 426g, 8 Speed 42T (silver): 371g, 10 Speed 42T (black): 416g, 11 Speed 46T (black): 554g, 11 Speed 50T (black): 575g, 11 Speed 52T (black): 674g, 12 Speed 50T (black): 589g, 12 Speed 52T (black): 691g, 10 Speed 50T (silver): 541g, 9 Speed 42T (black): 418g, 11 Speed 42T (black): 450g, 10 Speed 50T (black): 540g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 9-speed 42T: 426g, 10-speed 42T: 458g, 10-speed 50T: 540g, 11-speed 50T: 590g, 11-speed 52T: 690g, 12-speed 50T: 615g, 12-speed 52T: 710g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Universal for mountain/road flywheels

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 8-speed 42T: 377g, 9-speed 42T: 415g, 10-speed 42T: 440g, 10-speed 50T: 538g, 11-speed 40T: 443g, 11-speed 50T: 578g, 12-speed 50T: 599g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 9-speed 42T: 426g, 10-speed 42T: 458g, 10-speed 50T: 540g, 11-speed 50T: 590g, 11-speed 52T: 690g, 12-speed 50T: 615g, 12-speed 52T: 710g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 9-speed 42T: 426g, 10-speed 42T: 458g, 10-speed 50T: 540g, 11-speed 50T: 590g, 11-speed 52T: 690g, 12-speed 50T: 615g, 12-speed 52T: 710g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 10 Speed 40T (silver): 429g, 10 Speed 42T (silver): 442g, 11 Speed 40T (silver): 446g, 11Speed 42T (silver): 460g, 11 Speed 46T (silver): 546g, 11 Speed ??50T (Silver): 580g, 12 Speed ??50T (Silver): 600g, 9 Speed ??42T (Silver): 426g, 12 Speed ??52T (Silver): 688g, 11 Speed ??52T (Silver): 669g, 9 Speed ??40T (Silver) : 409g, 9 Speed 46T (silver): 426g, 8 Speed 42T (silver): 371g, 10 Speed 42T (black): 416g, 11 Speed 46T (black): 554g, 11 Speed 50T (black): 575g, 11 Speed 52T (black): 674g, 12 Speed 50T (black): 589g, 12 Speed 52T (black): 691g, 10 Speed 50T (silver): 541g, 9 Speed 42T (black): 418g, 11 Speed 42T (black): 450g, 10 Speed 50T (black): 540g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 10 Speed 40T (silver): 429g, 10 Speed 42T (silver): 442g, 11 Speed 40T (silver): 446g, 11Speed 42T (silver): 460g, 11 Speed 46T (silver): 546g, 11 Speed ??50T (Silver): 580g, 12 Speed ??50T (Silver): 600g, 9 Speed ??42T (Silver): 426g, 12 Speed ??52T (Silver): 688g, 11 Speed ??52T (Silver): 669g, 9 Speed ??40T (Silver) : 409g, 9 Speed 46T (silver): 426g, 8 Speed 42T (silver): 371g, 10 Speed 42T (black): 416g, 11 Speed 46T (black): 554g, 11 Speed 50T (black): 575g, 11 Speed 52T (black): 674g, 12 Speed 50T (black): 589g, 12 Speed 52T (black): 691g, 10 Speed 50T (silver): 541g, 9 Speed 42T (black): 418g, 11 Speed 42T (black): 450g, 10 Speed 50T (black): 540g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 10 Speed 40T (silver): 429g, 10 Speed 42T (silver): 442g, 11 Speed 40T (silver): 446g, 11Speed 42T (silver): 460g, 11 Speed 46T (silver): 546g, 11 Speed ??50T (Silver): 580g, 12 Speed ??50T (Silver): 600g, 9 Speed ??42T (Silver): 426g, 12 Speed ??52T (Silver): 688g, 11 Speed ??52T (Silver): 669g, 9 Speed ??40T (Silver) : 409g, 9 Speed 46T (silver): 426g, 8 Speed 42T (silver): 371g, 10 Speed 42T (black): 416g, 11 Speed 46T (black): 554g, 11 Speed 50T (black): 575g, 11 Speed 52T (black): 674g, 12 Speed 50T (black): 589g, 12 Speed 52T (black): 691g, 10 Speed 50T (silver): 541g, 9 Speed 42T (black): 418g, 11 Speed 42T (black): 450g, 10 Speed 50T (black): 540g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 10 Speed 40T (silver): 429g, 10 Speed 42T (silver): 442g, 11 Speed 40T (silver): 446g, 11Speed 42T (silver): 460g, 11 Speed 46T (silver): 546g, 11 Speed ??50T (Silver): 580g, 12 Speed ??50T (Silver): 600g, 9 Speed ??42T (Silver): 426g, 12 Speed ??52T (Silver): 688g, 11 Speed ??52T (Silver): 669g, 9 Speed ??40T (Silver) : 409g, 9 Speed 46T (silver): 426g, 8 Speed 42T (silver): 371g, 10 Speed 42T (black): 416g, 11 Speed 46T (black): 554g, 11 Speed 50T (black): 575g, 11 Speed 52T (black): 674g, 12 Speed 50T (black): 589g, 12 Speed 52T (black): 691g, 10 Speed 50T (silver): 541g, 9 Speed 42T (black): 418g, 11 Speed 42T (black): 450g, 10 Speed 50T (black): 540g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 8-speed 42T: 377g, 9-speed 42T: 415g, 10-speed 42T: 440g, 10-speed 50T: 538g, 11-speed 40T: 443g, 11-speed 50T: 578g, 12-speed 50T: 599g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 10 Speed 40T (silver): 429g, 10 Speed 42T (silver): 442g, 11 Speed 40T (silver): 446g, 11Speed 42T (silver): 460g, 11 Speed 46T (silver): 546g, 11 Speed ??50T (Silver): 580g, 12 Speed ??50T (Silver): 600g, 9 Speed ??42T (Silver): 426g, 12 Speed ??52T (Silver): 688g, 11 Speed ??52T (Silver): 669g, 9 Speed ??40T (Silver) : 409g, 9 Speed 46T (silver): 426g, 8 Speed 42T (silver): 371g, 10 Speed 42T (black): 416g, 11 Speed 46T (black): 554g, 11 Speed 50T (black): 575g, 11 Speed 52T (black): 674g, 12 Speed 50T (black): 589g, 12 Speed 52T (black): 691g, 10 Speed 50T (silver): 541g, 9 Speed 42T (black): 418g, 11 Speed 42T (black): 450g, 10 Speed 50T (black): 540g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 10 Speed 40T (silver): 429g, 10 Speed 42T (silver): 442g, 11 Speed 40T (silver): 446g, 11Speed 42T (silver): 460g, 11 Speed 46T (silver): 546g, 11 Speed ??50T (Silver): 580g, 12 Speed ??50T (Silver): 600g, 9 Speed ??42T (Silver): 426g, 12 Speed ??52T (Silver): 688g, 11 Speed ??52T (Silver): 669g, 9 Speed ??40T (Silver) : 409g, 9 Speed 46T (silver): 426g, 8 Speed 42T (silver): 371g, 10 Speed 42T (black): 416g, 11 Speed 46T (black): 554g, 11 Speed 50T (black): 575g, 11 Speed 52T (black): 674g, 12 Speed 50T (black): 589g, 12 Speed 52T (black): 691g, 10 Speed 50T (silver): 541g, 9 Speed 42T (black): 418g, 11 Speed 42T (black): 450g, 10 Speed 50T (black): 540g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 9-speed 42T: 426g, 10-speed 42T: 458g, 10-speed 50T: 540g, 11-speed 50T: 590g, 11-speed 52T: 690g, 12-speed 50T: 615g, 12-speed 52T: 710g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 10 Speed 40T (silver): 429g, 10 Speed 42T (silver): 442g, 11 Speed 40T (silver): 446g, 11Speed 42T (silver): 460g, 11 Speed 46T (silver): 546g, 11 Speed ??50T (Silver): 580g, 12 Speed ??50T (Silver): 600g, 9 Speed ??42T (Silver): 426g, 12 Speed ??52T (Silver): 688g, 11 Speed ??52T (Silver): 669g, 9 Speed ??40T (Silver) : 409g, 9 Speed 46T (silver): 426g, 8 Speed 42T (silver): 371g, 10 Speed 42T (black): 416g, 11 Speed 46T (black): 554g, 11 Speed 50T (black): 575g, 11 Speed 52T (black): 674g, 12 Speed 50T (black): 589g, 12 Speed 52T (black): 691g, 10 Speed 50T (silver): 541g, 9 Speed 42T (black): 418g, 11 Speed 42T (black): 450g, 10 Speed 50T (black): 540g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 10 Speed 40T (silver): 429g, 10 Speed 42T (silver): 442g, 11 Speed 40T (silver): 446g, 11Speed 42T (silver): 460g, 11 Speed 46T (silver): 546g, 11 Speed ??50T (Silver): 580g, 12 Speed ??50T (Silver): 600g, 9 Speed ??42T (Silver): 426g, 12 Speed ??52T (Silver): 688g, 11 Speed ??52T (Silver): 669g, 9 Speed ??40T (Silver) : 409g, 9 Speed 46T (silver): 426g, 8 Speed 42T (silver): 371g, 10 Speed 42T (black): 416g, 11 Speed 46T (black): 554g, 11 Speed 50T (black): 575g, 11 Speed 52T (black): 674g, 12 Speed 50T (black): 589g, 12 Speed 52T (black): 691g, 10 Speed 50T (silver): 541g, 9 Speed 42T (black): 418g, 11 Speed 42T (black): 450g, 10 Speed 50T (black): 540g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 10 Speed 40T (silver): 429g, 10 Speed 42T (silver): 442g, 11 Speed 40T (silver): 446g, 11Speed 42T (silver): 460g, 11 Speed 46T (silver): 546g, 11 Speed ??50T (Silver): 580g, 12 Speed ??50T (Silver): 600g, 9 Speed ??42T (Silver): 426g, 12 Speed ??52T (Silver): 688g, 11 Speed ??52T (Silver): 669g, 9 Speed ??40T (Silver) : 409g, 9 Speed 46T (silver): 426g, 8 Speed 42T (silver): 371g, 10 Speed 42T (black): 416g, 11 Speed 46T (black): 554g, 11 Speed 50T (black): 575g, 11 Speed 52T (black): 674g, 12 Speed 50T (black): 589g, 12 Speed 52T (black): 691g, 10 Speed 50T (silver): 541g, 9 Speed 42T (black): 418g, 11 Speed 42T (black): 450g, 10 Speed 50T (black): 540g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 10 Speed 40T (silver): 429g, 10 Speed 42T (silver): 442g, 11 Speed 40T (silver): 446g, 11Speed 42T (silver): 460g, 11 Speed 46T (silver): 546g, 11 Speed ??50T (Silver): 580g, 12 Speed ??50T (Silver): 600g, 9 Speed ??42T (Silver): 426g, 12 Speed ??52T (Silver): 688g, 11 Speed ??52T (Silver): 669g, 9 Speed ??40T (Silver) : 409g, 9 Speed 46T (silver): 426g, 8 Speed 42T (silver): 371g, 10 Speed 42T (black): 416g, 11 Speed 46T (black): 554g, 11 Speed 50T (black): 575g, 11 Speed 52T (black): 674g, 12 Speed 50T (black): 589g, 12 Speed 52T (black): 691g, 10 Speed 50T (silver): 541g, 9 Speed 42T (black): 418g, 11 Speed 42T (black): 450g, 10 Speed 50T (black): 540g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 10 Speed 40T (silver): 429g, 10 Speed 42T (silver): 442g, 11 Speed 40T (silver): 446g, 11Speed 42T (silver): 460g, 11 Speed 46T (silver): 546g, 11 Speed ??50T (Silver): 580g, 12 Speed ??50T (Silver): 600g, 9 Speed ??42T (Silver): 426g, 12 Speed ??52T (Silver): 688g, 11 Speed ??52T (Silver): 669g, 9 Speed ??40T (Silver) : 409g, 9 Speed 46T (silver): 426g, 8 Speed 42T (silver): 371g, 10 Speed 42T (black): 416g, 11 Speed 46T (black): 554g, 11 Speed 50T (black): 575g, 11 Speed 52T (black): 674g, 12 Speed 50T (black): 589g, 12 Speed 52T (black): 691g, 10 Speed 50T (silver): 541g, 9 Speed 42T (black): 418g, 11 Speed 42T (black): 450g, 10 Speed 50T (black): 540g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 10 Speed 40T (silver): 429g, 10 Speed 42T (silver): 442g, 11 Speed 40T (silver): 446g, 11Speed 42T (silver): 460g, 11 Speed 46T (silver): 546g, 11 Speed ??50T (Silver): 580g, 12 Speed ??50T (Silver): 600g, 9 Speed ??42T (Silver): 426g, 12 Speed ??52T (Silver): 688g, 11 Speed ??52T (Silver): 669g, 9 Speed ??40T (Silver) : 409g, 9 Speed 46T (silver): 426g, 8 Speed 42T (silver): 371g, 10 Speed 42T (black): 416g, 11 Speed 46T (black): 554g, 11 Speed 50T (black): 575g, 11 Speed 52T (black): 674g, 12 Speed 50T (black): 589g, 12 Speed 52T (black): 691g, 10 Speed 50T (silver): 541g, 9 Speed 42T (black): 418g, 11 Speed 42T (black): 450g, 10 Speed 50T (black): 540g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 10 Speed 40T (silver): 429g, 10 Speed 42T (silver): 442g, 11 Speed 40T (silver): 446g, 11Speed 42T (silver): 460g, 11 Speed 46T (silver): 546g, 11 Speed ??50T (Silver): 580g, 12 Speed ??50T (Silver): 600g, 9 Speed ??42T (Silver): 426g, 12 Speed ??52T (Silver): 688g, 11 Speed ??52T (Silver): 669g, 9 Speed ??40T (Silver) : 409g, 9 Speed 46T (silver): 426g, 8 Speed 42T (silver): 371g, 10 Speed 42T (black): 416g, 11 Speed 46T (black): 554g, 11 Speed 50T (black): 575g, 11 Speed 52T (black): 674g, 12 Speed 50T (black): 589g, 12 Speed 52T (black): 691g, 10 Speed 50T (silver): 541g, 9 Speed 42T (black): 418g, 11 Speed 42T (black): 450g, 10 Speed 50T (black): 540g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 10 Speed 40T (silver): 429g, 10 Speed 42T (silver): 442g, 11 Speed 40T (silver): 446g, 11Speed 42T (silver): 460g, 11 Speed 46T (silver): 546g, 11 Speed ??50T (Silver): 580g, 12 Speed ??50T (Silver): 600g, 9 Speed ??42T (Silver): 426g, 12 Speed ??52T (Silver): 688g, 11 Speed ??52T (Silver): 669g, 9 Speed ??40T (Silver) : 409g, 9 Speed 46T (silver): 426g, 8 Speed 42T (silver): 371g, 10 Speed 42T (black): 416g, 11 Speed 46T (black): 554g, 11 Speed 50T (black): 575g, 11 Speed 52T (black): 674g, 12 Speed 50T (black): 589g, 12 Speed 52T (black): 691g, 10 Speed 50T (silver): 541g, 9 Speed 42T (black): 418g, 11 Speed 42T (black): 450g, 10 Speed 50T (black): 540g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 8-speed 42T: 377g, 9-speed 42T: 415g, 10-speed 42T: 440g, 10-speed 50T: 538g, 11-speed 40T: 443g, 11-speed 50T: 578g, 12-speed 50T: 599g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 10 Speed 40T (silver): 429g, 10 Speed 42T (silver): 442g, 11 Speed 40T (silver): 446g, 11Speed 42T (silver): 460g, 11 Speed 46T (silver): 546g, 11 Speed ??50T (Silver): 580g, 12 Speed ??50T (Silver): 600g, 9 Speed ??42T (Silver): 426g, 12 Speed ??52T (Silver): 688g, 11 Speed ??52T (Silver): 669g, 9 Speed ??40T (Silver) : 409g, 9 Speed 46T (silver): 426g, 8 Speed 42T (silver): 371g, 10 Speed 42T (black): 416g, 11 Speed 46T (black): 554g, 11 Speed 50T (black): 575g, 11 Speed 52T (black): 674g, 12 Speed 50T (black): 589g, 12 Speed 52T (black): 691g, 10 Speed 50T (silver): 541g, 9 Speed 42T (black): 418g, 11 Speed 42T (black): 450g, 10 Speed 50T (black): 540g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 10 Speed 40T (silver): 429g, 10 Speed 42T (silver): 442g, 11 Speed 40T (silver): 446g, 11Speed 42T (silver): 460g, 11 Speed 46T (silver): 546g, 11 Speed ??50T (Silver): 580g, 12 Speed ??50T (Silver): 600g, 9 Speed ??42T (Silver): 426g, 12 Speed ??52T (Silver): 688g, 11 Speed ??52T (Silver): 669g, 9 Speed ??40T (Silver) : 409g, 9 Speed 46T (silver): 426g, 8 Speed 42T (silver): 371g, 10 Speed 42T (black): 416g, 11 Speed 46T (black): 554g, 11 Speed 50T (black): 575g, 11 Speed 52T (black): 674g, 12 Speed 50T (black): 589g, 12 Speed 52T (black): 691g, 10 Speed 50T (silver): 541g, 9 Speed 42T (black): 418g, 11 Speed 42T (black): 450g, 10 Speed 50T (black): 540g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 10 Speed 40T (silver): 429g, 10 Speed 42T (silver): 442g, 11 Speed 40T (silver): 446g, 11Speed 42T (silver): 460g, 11 Speed 46T (silver): 546g, 11 Speed ??50T (Silver): 580g, 12 Speed ??50T (Silver): 600g, 9 Speed ??42T (Silver): 426g, 12 Speed ??52T (Silver): 688g, 11 Speed ??52T (Silver): 669g, 9 Speed ??40T (Silver) : 409g, 9 Speed 46T (silver): 426g, 8 Speed 42T (silver): 371g, 10 Speed 42T (black): 416g, 11 Speed 46T (black): 554g, 11 Speed 50T (black): 575g, 11 Speed 52T (black): 674g, 12 Speed 50T (black): 589g, 12 Speed 52T (black): 691g, 10 Speed 50T (silver): 541g, 9 Speed 42T (black): 418g, 11 Speed 42T (black): 450g, 10 Speed 50T (black): 540g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 9-speed 42T: 426g, 10-speed 42T: 458g, 10-speed 50T: 540g, 11-speed 50T: 590g, 11-speed 52T: 690g, 12-speed 50T: 615g, 12-speed 52T: 710g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 9-speed 42T: 426g, 10-speed 42T: 458g, 10-speed 50T: 540g, 11-speed 50T: 590g, 11-speed 52T: 690g, 12-speed 50T: 615g, 12-speed 52T: 710g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 10 Speed 40T (silver): 429g, 10 Speed 42T (silver): 442g, 11 Speed 40T (silver): 446g, 11Speed 42T (silver): 460g, 11 Speed 46T (silver): 546g, 11 Speed ??50T (Silver): 580g, 12 Speed ??50T (Silver): 600g, 9 Speed ??42T (Silver): 426g, 12 Speed ??52T (Silver): 688g, 11 Speed ??52T (Silver): 669g, 9 Speed ??40T (Silver) : 409g, 9 Speed 46T (silver): 426g, 8 Speed 42T (silver): 371g, 10 Speed 42T (black): 416g, 11 Speed 46T (black): 554g, 11 Speed 50T (black): 575g, 11 Speed 52T (black): 674g, 12 Speed 50T (black): 589g, 12 Speed 52T (black): 691g, 10 Speed 50T (silver): 541g, 9 Speed 42T (black): 418g, 11 Speed 42T (black): 450g, 10 Speed 50T (black): 540g

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1. Easy to install, not easy to rust2. CNC precision machining, high hardness, wear-resistant and durable3. Smooth speed change, one-piece molding4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation6. Material: aluminum alloy7. Weight: 10 Speed 40T (silver): 429g, 10 Speed 42T (silver): 442g, 11 Speed 40T (silver): 446g, 11Speed 42T (silver): 460g, 11 Speed 46T (silver): 546g, 11 Speed ??50T (Silver): 580g, 12 Speed ??50T (Silver): 600g, 9 Speed ??42T (Silver): 426g, 12 Speed ??52T (Silver): 688g, 11 Speed ??52T (Silver): 669g, 9 Speed ??40T (Silver) : 409g, 9 Speed 46T (silver): 426g, 8 Speed 42T (silver): 371g, 10 Speed 42T (black): 416g, 11 Speed 46T (black): 554g, 11 Speed 50T (black): 575g, 11 Speed 52T (black): 674g, 12 Speed 50T (black): 589g, 12 Speed 52T (black): 691g, 10 Speed 50T (silver): 541g, 9 Speed 42T (black): 418g, 11 Speed 42T (black): 450g, 10 Speed 50T (black): 540g

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1. Material: leather/polyurethane foam2. Applicable: bicycles, electric vehicles, folding bicycles, etc.3. Arc-shaped support shock-absorbing bow, providing strong support, strong toughness, and comfortable shock absorption4. Highly elastic and comfortable sponge, no pain when sitting for a long time5. Thicken and enlarge the seat cushion to fit the curve of the buttocks6. Surface wear-resistant PU leather, waterproof and non-slip more durable7. Dimensions: 26x21x5.5cm8. Weight: 660 grams

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1. Material: leather/polyurethane foam2. Applicable: bicycles, electric vehicles, folding bicycles, etc.3. Arc-shaped support shock-absorbing bow, providing strong support, strong toughness, and comfortable shock absorption4. Highly elastic and comfortable sponge, no pain when sitting for a long time5. Thicken and enlarge the seat cushion to fit the curve of the buttocks6. Surface wear-resistant PU leather, waterproof and non-slip more durable7. Dimensions: 26x21x5.5cm8. Weight: 660 grams

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1. Material: leather/polyurethane foam2. Applicable: bicycles, electric vehicles, folding bicycles, etc.3. Arc-shaped support shock-absorbing bow, providing strong support, strong toughness, and comfortable shock absorption4. Highly elastic and comfortable sponge, no pain when sitting for a long time5. Thicken and enlarge the seat cushion to fit the curve of the buttocks6. Surface wear-resistant PU leather, waterproof and non-slip more durable7. Dimensions: 26x21x5.5cm8. Weight: 660 grams

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1. Material: PU leather2. Applicable: road bikes, mountain bikes, folding bikes, etc.3. The surface is waterproof and impermeable, easy to clean and portable to protect the inner material from moisture4. Hollow ventilation is not stuffy, reducing the pressure on sensitive parts of the body5. High-strength alloy seat bow, with flexibility and shock absorption, so that you can get better support when riding6. Streamlined design with narrow front and wide back7. Size: 150x250mm8. Weight: 300 grams

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1. Bicycle cleaning kit, made of plastic material, high toughness, strong toughness, not easy to wear, durable.2. Multifunctional, suitable for all kinds of bicycles. e.g. mountain bikes, road bikes, kids bikes3. A complete bicycle cleaning kit, you can use the corresponding cleaning tools to clean different parts of the bicycle, and more targeted cleaning of stubborn stains.4. Ergonomic design, different brushes are suitable for different parts of the bike. With the ergonomically designed handle, you can comfortably hold each brush. Efficiently and easily removes dirt from hard-to-reach areas.5. Single brush 65g, chain washer 120g

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1. Bicycle cleaning kit, made of plastic material, high toughness, strong toughness, not easy to wear, durable.2. Multifunctional, suitable for all kinds of bicycles. e.g. mountain bikes, road bikes, kids bikes3. A complete bicycle cleaning kit, you can use the corresponding cleaning tools to clean different parts of the bicycle, and more targeted cleaning of stubborn stains.4. Ergonomic design, different brushes are suitable for different parts of the bike. With the ergonomically designed handle, you can comfortably hold each brush. Efficiently and easily removes dirt from hard-to-reach areas.5. Single brush 65g, chain washer 120g

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1. Bicycle cleaning kit, made of plastic material, high toughness, strong toughness, not easy to wear, durable.2. Multifunctional, suitable for all kinds of bicycles. e.g. mountain bikes, road bikes, kids bikes3. A complete bicycle cleaning kit, you can use the corresponding cleaning tools to clean different parts of the bicycle, and more targeted cleaning of stubborn stains.4. Ergonomic design, different brushes are suitable for different parts of the bike. With the ergonomically designed handle, you can comfortably hold each brush. Efficiently and easily removes dirt from hard-to-reach areas.5. Single brush 65g, chain washer 120g

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