Shimano Ultegra R8101 12-Speed Cassette
February 9, 2025$117.99
Shimano’s Ultegra 12-speed road cassette for Di2 and mechanical groupsets
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Shimano Ultegra R8101 12-Speed Cassette
The Shimano Ultegra R8101 12-Speed Cassette is designed to balance performance with price. This cassette works with both mechanical and Di2 groupsets. The Shimano Ultegra R8101 cassette uses HYPERGLIDE+ for maximum efficiency and seamless shifting. In addition, it is compatible with HG freehub bodies, which allows most riders to continue to use their current hub and wheelset.
Features
- New 12-step gear range
- HYPERGLIDE+ technology
- Fits HG freehub bodies
- For Di2 and mechanical 12-speed groupsets
Shimano Road Cassette Comparison (Sorted by Speeds)
Model | Price | Bike | Speeds | Gearing | Weight |
Shimano 105 R7101 12-Speed Cassette | $65.99 | Road | 12-Speed | 11-34T | 361 grams |
Shimano CS-HG710 12-Speed Cassette | $87.99 | Road/Gravel | 12-Speed | 11-36T | 391 grams |
Shimano Ultegra R8101 12-Speed Cassette | $117.99 | Road | 12-Speed | 11-30T | 11-34T | 291 grams |
Shimano DURA-ACE R9200 12-Speed Cassette | $359.99 | Road | 12-Speed | 11-30T | 11-34T | 223 grams |
Shimano DURA-ACE CS-R9100 11-Speed Cassette | $269.99 - $292.99 | Road | 11-Speed | 11-25T | 11-28T | 11-30T | 12-25T | 12-28T | 211 grams |
Compatibility
This cassette is compatible with Shimano 12-speed road Di2 and mechanical drivetrains and fits HG freehub bodies.
Specs
- Color: Silver
- Speeds: 12
- Gearing: 11-30T | 11-34T
- Weight: 11-30T - 291 grams | 11-34T - 345 grams
- Cogs: 11-30T: 11, 12, 13, 14, 15, 16, 17, 19, 21, 24, 27, 30 | 11-34T: 11, 12, 13 14, 15, 17, 19, 21, 24, 27, 30, 34
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