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If there is any Quality problem,pls contact me before leaving feedback,I will solve the problem for U

The Adapter to make it fit Shimano,SRAM&Campagnolo also(will be included in the order for free):

Warranty and Return policy:
1 year warranty

Description

This lising is for 2 Pulleys and 4 little adapters

Made of super strong Delrin Plastic, rotate with no noise

Won't hurt your chain

Narrow Wide design

Oversize Pulleys and Ceramic bearing save Your enegry during riding

12T&14T, Approx weight: 7g+8g, save 80% than your original pulley

Increases the gear-shifting efficiency by reducing the weight pressure applied to the rear derailleur

Fit With Sram AXS 12 Speed Road Derailleur Red&Force

Hybrid Ceramic bearing

Information about Hybrid Ceramic bearing:
Bearing Races Material: Chrome Steel 52100
Ball Material: Nitrided Silicon Ceramic SI3N4
Enclosure: Two Seals
Enclosure Material: Rubber Seal