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- Description
1. Easy to install, not easy to rust
2. CNC precision machining, high hardness, wear-resistant and durable
3. Smooth speed change, one-piece molding
4. Using high-strength aluminum alloy to reduce weight, improve strength and rigidity, strong force, not easy to break
5. Vacuum plating, anti-oxidation, vacuum plating forms a special protective film to prevent surface oxidation
6. Material: aluminum alloy
7. 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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