Shimano Ultegra R8101 12-Speed Cassette
Shimano’s Ultegra R8101 12-Speed Cassette provides amazing shifting under pressure, with the Hyperglide+ design moving the chain between ratios flawlessly whenever called upon. By offering 12 sprockets, Shimano has been able to reduce the jumps between gears so that it is easier to stay in the cadence sweet spot for greater efficiency and less fatigue. The combination of steel sprockets and an alloy carrier keeps the weight down whilst aiding shifting by increasing the cassette's stiffness.
- Lightweight 12-speed HG+ cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changes
- Hyperglide+ sprockets have been designed to reduce weight with improved teeth shaping providing accurate shifting and reduced wear
- Wide gear range to meet the demands of all types of rider
- For use with 12-speed chains
- Manufacturer claimed weight: 297 grams (11-30t)
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