Embark on a seamless shifting experience with the Shimano Ultegra CS-R8101 12-speed Cassette Sprocket – designed for uninterrupted rides, whether you're climbing, sprinting, or cruising.

Effortless Gear Changes: Experience the freedom to climb, sprint, or cruise without interrupting your rhythm for gear changes. The Ultegra R8101 12-speed cassette range ensures a smooth and uninterrupted shifting experience, enhancing your overall cycling performance.

Maximized Drivetrain Efficiency: Larger driving cogs contribute to maximized drivetrain efficiency, elevating your cycling experience to new heights. The innovative design creates compatibility with both Shimano 11 and 12-speed Freehub bodies, offering versatility without compromise.

Hyperglide+ Technology for Road Cycling: Building on the success of Hyperglide+ technology in off-road shifting, Ultegra CS-R8101 brings this revolutionary seamless shifting experience to road cycling. Effortless shifts, even during maximal efforts, redefine the paradigm of road shifting.

Race-Ready Acceleration: Experience faster, smoother shifts precisely when you need them the most. The Ultegra CS-R8101 delivers unmatched accelerating performance, making it the ideal companion for intense racing scenarios.

Seamless Shifting Precision: Under maximum pedaling force, the Ultegra CS-R8101 ensures swift and precise shifts, allowing you to focus entirely on your racing strategy without compromise. Every gear change is a testament to Shimano's dedication to performance excellence.