VG SPORTS Bicycle Lightweight Wear -Resistant Flywheel 11 Speed Mountains 11-40T Repair Tools improved heat dissipation and quieter

improved heat dissipation and quieter performance

service life is more than 30

natural sound

and get it right away

VG SPORTS Bicycle Lightweight Wear -Resistant Flywheel 11 Speed Mountains 11-40T Repair Tools improved heat dissipation and quieter1. 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. All the arc transitions between the positive and negative teeth are connected to avoid sediment accumulation 6. Vacuum plating, anti oxidation, vacuum plating forms a special