Shimano Ultegra RD-R8000 Tension/Guide Pulley Set Size:One Size Compatible with threaded CO2 cartridges

Compatible with threaded CO2 cartridges only

Weight per pair: 1

Integrated bearing design for two-handed precision work

so you can trust its durability no matter how hard you ride

Deep treads with GripXT

Shimano Ultegra RD-R8000 Tension/Guide Pulley Set Size:One Size Compatible with threaded CO2 cartridgesUpdated with a SHIMANO SHADOW design, the SHIMANO ULTEGRA 8000 rear derailleur offers a sleek appearance and optimized shifting performance. F HG EV HG EV cassette is for rider tuned gear combination & cadence management. We provide optimal 11 speed drivetrain gear ratio; you can choice wider and closer gear combination available to match various riding disciplines. HG EV cassette is obtained 11 speed gear without compromising the 10 speed durability