ZTTO 9 Speed 46T MTB Bicycle Cassette Mountain Bike Wide Ratio Sprockets 9s Freewheel 11-46

Description

Made of steel and made by the technology of quench-temper hardening.so it has higher strength,wear resistant and has extreme resistance to abrasion. The strong antioxidation makes it hard to rust to have a long service life. Because of the unique design of the gear sprocket exclusively for mountain bike, you can control the shift function well. Adopted the hollow design. The surface made by the technology of chrome plating. There is no fading on the plated surface.