Design:Silver plating,prevent metal oxidation,improve wear resistance, conductivity, reflectivity, corrosion resistance, more beautiful.
Fits: 34mm outer diameter of hub thread. Best for E-bike as the freewheel teeth start with 11T to get high speed. Also good for road bike, mountain bike, city bike.
Easy to Install: The package with freewheel tools, you could install or remove it easily with the tool.
