Qikour CNC MTB Bicycle Rear Derailleur 13T Pulley Wheel With Bearing Cycling Mountain Bike Guide

Specifications: Brand: Qikour Material: Aluminum alloy Type: 15T Diameter: 60mm Color: Black, Blue, Red, Purple Features: 15 teeth bicycle rear derailleur accessary. Made of CNC aluminum alloy, lightweight and durable. Setting for 4/5/6mm spindle shaft rollers. Adopts ceramic bearing, rotating without resistance, it greatly decreased frictional resistance,and increased cycling efficiency. The design increases bike derailleur shifting speed, causes no noice when shifting speed and prevents bike chain falling. Note: Please choose the same size as original guide wheel or the smaller size than the original wheel but not the larger one. Package includes: 1 x Bicycle Derailleur