Ultegra CS R8100 12spd Cassette – 11/34

Optimised to shift through its gear range quickly and smoothly, the Shimano Ultegra R8100 12 Speed Cassette features HYPERGLIDE+ shifting technology and is compatible with Shimano 12-Speed road groupsets.

The uninterrupted shifting experience of the ULTEGRA R8100 12-Speed cassette range lets you climb, sprint, or cruise without stopping to think about your next gear change. Larger driving cogs maximize drivetrain efficiency and create compatibility with both Shimano 11 and 12-Speed FREEHUB bodies.

Series: ULTEGRA R8100 Series
Type: HYPERGLIDE+
Compatible Chain: Shimano HG 12-Speed
Refined 12 step gear combination provides peak efficiency and accelerating performance for every racing situation
Faster, smoother shifts under maximum pedalling force
Compatible with new 12-Speed and road 11-Speed FREEHUB body
Average Weight: 291g (11-30T); 345g (11-34T)
Product Data
Cassette Range: 11-34 Tooth
Speed: 12 Speed
Time Trial: Yes
Road: Yes