Open Box - Shimano Ultegra CS-R8101 12sp Cassette 11-30T Black Edition all-terrain solution for keeping you

all-terrain solution for keeping you and your bike cleaner on wet or muddy rides

Blending long-mile comfort with elite performance features

compact format

these pads are the best option for E-bike users and gravity-fed riding

42mm neck aperture

Open Box - Shimano Ultegra CS-R8101 12sp Cassette 11-30T Black Edition all-terrain solution for keeping youThe Shimano Ultegra CS R8101 Cassette offers 12 speed road performance with Hyperglide+ technology for seamless shifting. This technology allows for precise gear changes even under maximal pedaling load, enabling uninterrupted progression whether climbing, sprinting, or cruising. The Ultegra R8101 cassette fits both Shimano 11 speed and 12 speed HG freehub bodies, allowing riders to upgrade to 12 speed without changing wheels. It is compatible with