SHIMANO Ultegra R8100 Cassette - 12-Speed - 11-34t - Discontinued trike You may need to change

You may need to change the front gearing so the rear derailleurs capacity is not exceeded

Smooth and reliable shifting performance

Bottom Bracket: Rocky Mountain Sealed - Shimano Compatible

Light quick-dry polyester fabric that wicks moisture

Naturally Timeless

SHIMANO Ultegra R8100 Cassette - 12-Speed - 11-34t - Discontinued trike You may need to changeThe 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