The Ultegra CS-R8100 12-Speed Cassette utilizes 12 gears for smoother pedaling action up and down the cassette. A functional and budget-friendly 12-speed cassette for cycling road and gravel.
- Durable steel cog material
- Works with hyperglide 11 and 12 speed carriers
- Compatible Chain: Hg 12-speed
- Series: Ultegra
- Generation: Ultegra R8100
- Number Of Speeds: 12
- Cog Sizes: [11-34] 11, 12, 13, 14, 15, 17, 19, 21, 24, 27, 30, 34
- Cassette or Freewheel: Cassette
- Finish: Anodized
- Weight [11-34T]: 348 g
