C-BEAR REAR DERAILLEUR PULLEY KIT SRAM AXS RED & FORCE 12 SPEED
The pulley wheels in your rear derailleur are the fastest spinning bearings on your bike, so why not upgrade to ceramic bearings for great efficiency and power savings.
. Ceramic Pulley Wheels for Sram Red/Force AXS Rear Derailleurs
. 12sp Optimised