CS-R8101 Cassette 11-34 Ultegra 12-Speed downhill Tubeless-ready design for enhanced puncture

Tubeless-ready design for enhanced puncture protection and lower riding pressures

Saved Location: Access a favored location and create a route to get you there

maintaining momentum in rough terrain

Our dropped clamp design exposes more seatpost to increase deflection

in all conditions

CS-R8101 Cassette 11-34 Ultegra 12-Speed downhill Tubeless-ready design for enhanced punctureSKU Description Refined 12 step gear combination provides peak efficiency and accelerating performance for every racing situation Faster, smoother shifts under maximum pedaling force Compatible with new 12 speed and road 11 speed FREEHUB body Product Description HYPERGLIDE+ cassettes revolutionized off road shifting with its seamless shifts both up and down the gear range. Now it's time for the technology to change road cycling. Even during maximal