12T Rear Derailleur Pulley Aluminum Alloy Jockey Wheel Ceramic Guide Pulley Bike Guide Roller Wheel for Road Bike, Mountain Bike, MTB, BMX

The Rear Guide Wheel is a premium quality upgrade for your bike, designed to improve efficiency and performance.

Made from durable aluminum alloy and ceramic materials, it features 12 teeth for smooth and stable rotation.

With a diameter of 2 inches (50mm) and thickness of 0.34 inch (8.5mm), this guide wheel is compatible with 7/8/9/10 speed bikes and offers stronger compatibility with flexible rotation.

The ceramic material reduces drag force, improving cycling efficiency, while the positive and negative tooth guide wheel ensures no strange noise and faster speed.

Plus, it's easy to install and comes with two installation hole adapters for a secure fit.

Upgrade your bike today and experience the difference!