Almencla 12T/14T Aluminum Alloy Bike Rear Derailleur Jockey Wheel with Ceramic Bearing - Compatible with Road Bikes, Mountain Bikes, MTB & BMX - Smooth Shifting for Enhanced Cycling Performance

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 12T OR 14T, adapt to the bike speed: 9/10/11 speed - 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 AlloySize Chart:Size(diameter)12T - 50mm/1.97inch14T - 57mm/2.24inchPackage Includes:1 Piece Bike Rear Derailleur Pulley WheelNote:1. Please allow slightly error due to manual measurement.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. Wish you a wonderful on-line shopping!

This bike guide roller pulley can reduce drag and improve cycle efficiency, offers you a better cycling experience.

Fits for almost all mountain bike of 12T OR 14T, adapt to the bike speed: 9/10/11 speed

Easy installation. Necessary accessories for your bicycle.

Made of aluminum alloy material, anti-rust and anti-corrosion, lightweight and durable.

High rigidity ceramic bearing, super smooth and noiseless.