Any electric bike that has been modified or "chipped" will result in automatic disqualification of liability for any error codes or damage to the electric system. If an error code occurs due to modifications made to the bike, which affects its performance or functionality, we will not be held responsible. All service costs will still be applicable. By booking a service for a modified electric bike, either through our website or in-store, you automatically agree to these terms and conditions.
RD-R8000/RX812 Ultegra/GRX rear mech pulley set
RD-R8000/RX812 Ultegra/GRX rear mech pulley set.
- Ultegra/GRX/XT rear derailleur replacement guide and tension pulley set :root { --loader-image: var(--loading-svg); }
- Its recommended that you replace your derailleur pulley wheels periodically for the best shifting performance
- Set comprises of two pulley wheels and is a genuine Shimano replacement part