Shimano Ultegra CS-R8101 Cassette - 12-Speed, 11-30t, Silver USB-C rechargeable which is user-friendly and performs

which is user-friendly and performs well even in low temperatures

and for deflashing and polishing the edges after filing

a smooth and stable ride thanks to its Future Shock technology

5 mm of adjustment for different boot sole lengths and a DIN adjustment of 4-10

for those long skins

Shimano Ultegra CS-R8101 Cassette - 12-Speed, 11-30t, Silver USB-C rechargeable which is user-friendly and performsThe Shimano Ultegra CS R8101 road cycling cassette in 11 30T delivers 12 speed performance for riders building or upgrading to Shimano's current generation road drivetrain. The tighter 11 30T range keeps gear steps close for criterium, road racing, and fast group rides where cadence consistency is a priority. Hyperglide+ tooth profiling supports smooth, precise shifts under load in both directions. Compatible with Shimano 12 speed road groupsets and