Shimano CS-R8101 Ultegra 12 Speed Cassette Size:11-30T Inspired by the world's best

Inspired by the world's best mountain bike racers

maintaining control and safety at all times

noting it can boost the performance of waxed chains and provide exceptional drivetrain smoothness with proper application

Effortless replacement: Easily removable and installableideal for home mechanics or professional tuners to maintain optimal shifting performance

Shimano CS-R8101 Ultegra 12 Speed Cassette Size:11-30T Inspired by the world's bestStep up to the next level of shifting precision and drivetrain efficiency with this 12 speed cassette engineered for road and gravel riders seeking high performance and reliability. Why youll appreciate it Featuring the Hyperglide+ sprocket design, this cassette enables seamless up and down shifts even under full pedalling load so you dont have to back off when shifting during a sprint, climb or intense effort. Designed for 12 speed compatibility, the