C-BEAR Aluminium Shimano/SRAM 10-/11-speed Derailleur Pulleys

C-BEAR Shimano/SRAM 10/11-speed aluminium derailleur pulleys - small, but wow!With the C-BEAR Shimano/SRAM aluminium rear derailleur pulleys for 10 and 11-speed drivetrains, you can considerably increase the performance of your rear derailleur. Its body is