• NEW Shimano Ultegra CS-R8101 Cassette - 12-Speed, 11-30t, Silver - Around the Cycle
  • NEW Shimano Ultegra CS-R8101 Cassette - 12-Speed, 11-30t, Silver - Around the Cycle
  • NEW Shimano Ultegra CS-R8101 Cassette - 12-Speed, 11-30t, Silver - Around the Cycle
  • NEW Shimano Ultegra CS-R8101 Cassette - 12-Speed, 11-30t, Silver - Around the Cycle
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NEW Shimano Ultegra CS-R8101 Cassette - 12-Speed, 11-30t, Silver

NEW Shimano Ultegra CS-R8101 Cassette - 12-Speed, 11-30t, Silver

$ 130.00 USD
$ 130.00 USD $ 130.00 USD
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ATC SKU: 210000062458
UPC: 192790849898
MFG. SKU: ICSR810112130
Other IDs: FW0318

PRODUCT DETAILS

The uninterrupted shifting experience of the Shimano Ultegra CS-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. Shimano HYPERGLIDE+ technology is integrated to provide seamless shifts both up and down the gear range.

  • Refined 12 step gear combination provides peak efficiency and accelerating performance for every racing situation
  • Faster, smoother shifts under maximum pedaling force
  • Compatible with 12-speed and road 11-speed freehub body
California Prop 65 Warning:
This product may contain chemicals known to the state of California to cause cancer and birth defects or other reproductive harm. (California law requires this warning be given to customers in the state of California.)
California CBE Fees:
Some products we sell may be subject to California’s Covered Battery-Embedded (CBE) Waste Recycling Fee (effective January 1, 2026) when a product contains a non-removable rechargeable battery. If applicable, the fee (1.5% fee with a $15 max per item) will either be added to your cart as a separate line item or be invoiced after your order is placed and before it can be fulfilled.
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