NIBOLOG 2Pcs 12T Bike Rear Derailleur Guide Pulley Wheel for Sram XX1 X01 Shimano

Specifications:
Narrow wide design, won't hurt your chain.
Oversize pulleys and ceramic bearing save your energy during cycling.
Increases the gear-shifting efficiency by reducing the weight pressure applied to the rear derailleur.
Suitable for Sram XX1 X01, for Shimano XTR.

Item Name:  Bike Pulley Wheel
Quantity: 2Pcs
Material: Resin + Ceramic Bearing
Features: High Strength, Lightweight, Bike Parts
Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures.

Package Includes:
2 x Bike Pulley Wheels