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. 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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