Description:

Made of aluminum alloy material, anti-rust and anti-corrosion, lightweight and durable.
High rigidity ceramic bearing, super smooth and noiseless.
Fits for almost all mountain bike of 17T, suitable for use 4/5/6 mm guide wheel screws.
Easy installation. Necessary accessories for your bicycle.
This bike guide roller pulley can reduce drag and improve cycle efficiency, offers you a better cycling experience.

Specification:

Material: Aluminum Alloy, Ceramic Bearing
Diameter: 69mm/2.72 inch

Package Includes:

1 Piece Bike Rear Derailleur Pulley Guide

Note:

1. Due to the light and screen difference, the item's color may be slightly different from the pictures.
2. Please allow 1-3mm differences due to manual measurement.