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Ships within 48 hours · Estimated delivery Aug 25 - Aug 30
Repels dirt
It’s equipped with a high-output LED emitter capable of providing up to 400 lumens as well as a Daytime Flash mode
Long lasting good braking performance
80-140mm length options
Shimano Ultegra CS-R8101 Cassette 12-Speed 11-34 r8100 Repels dirtThe 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. 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
