MUQZI Road Bike Aluminum Guide Cycle Jockey Wheel Rear Guide Wheel Jockey Wheel Bike Rear Derailleur Bike Jockey Wheel Bicycle Rear Pulley Bike Ceramic Bearing Guide

MUQZI Aluminium. Application: compatible with most Rear Derailleur on the market. Axis: Stainless Steel Shell, Ceramic Bearing Ball. Specification: 10T11T12T13T14T15T16T17T. Body material: 7075 aluminum alloy body Stainless steel shell ceramic bearing Ball. Product color: Red Black Multicolor Blue. Inner diameter of two derailleur tube: 5mm/4mm generally, a derailleur tube is inserted into the guide wheel by default). Package: 1PC Rear Derailleur Pulley+2 PCS Sleeve Tubes 4mm, 5 mm). Diameter of middle hole: 6mm/0.24in. Product color: Red Black Multicolor Blue. Specification: 10T11T12T13T14T15T16T17T. Application: compatible with most Rear Derailleur on the market. Body material: 7075 aluminum alloy body Stainless steel shell ceramic bearing Ball. Fit for: 7/8/9/10/11 Speed Bike. Axis: Stainless Steel Shell, Ceramic Bearing Ball. Feature: 1. High strength aluminum alloy, CNC processing, enhance the durable strength, 2. Deepen the tooth mark: can effectively reduce the situation of chai