Shimano Ultegra CS-R8100 Cassette (Silver) (12 Speed) (Shimano 11/12 Speed) (11-34T)

Shimano Ultegra CS-R8100 Cassette (Silver) (12 Speed) (Shimano 11/12 Speed) (11-34T)
Temporarily Unavailable
Expected Sat, Dec 18, 2021
Price: $111.99


  • 11-30T
  • 11-34T

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The Shimano Ultegra CS-R8100 Cassette brings Hyperglide+ technology to the road. Hyperglide+ allows for better shifting under load so it is no longer necessary to ease up on the pedals when making a shift. For simple compatibility, Shimano 12-speed road cassettes fit on the same hub body as 11-speed road cassettes. This allows riders to use their current wheels for 12-speed. Shimano also managed to add the extra sprocket without increasing the total weight of the cassette.


  • Faster, seamless shifts under maximum pedaling load
  • Refined 12 step gear combination provides peak efficiency and accelerating performance for every situation
  • Compatible with 12-speed and road 11-speed freehub bodies

Speed: 12 Speed
Freehub Body: Shimano 11/12 Speed Road (HG)
Derailleur Compatibility: Shimano Di2 12 Speed
Color: Silver
Weight: 291g (11-30T), 345g (11-34T)

Sprocket Configurations:

  • 11-30T: 11-12-13-14-15-16-17-19-21-24-27-30T
  • 11-34T: 11-12-13-14-15-17-19-21-24-27-30-34T

This product is expected to become available for purchase on Saturday, December 18, 2021