Products tagged with Bicycle Mechs (Derailleurs)

GRX rear derailleur replacement guide and tension pulley set. Suitable for GRX RD-RX815 and RD-RX810 rear derailleur. Its recommended that you replace your derailleur pulley wheels periodically for the best shifting performance.

Dura Ace rear derailleur replacement guide and tension pulley set. Suitable for Dura Ace RD7900. Precision sealed bearings in both the guide and tension pulley wheels to keep the drivetrain smooth and friction free.