ZTTO MTB 11 Speed Cassette s 11-50 t UltraLight Freewheel Mountainbike Flywheel speed 50T black silver

Description

The product has passed the strict test and the advanced production technology. Built to strict control standards, high strength and long life service. Stable characteristics, high reliability. Perfect match for your bike. The unique design of the gear sprocket exclusively for mountain bike, provides you a better experience to control the shift function.