Shimano Ultegra CS-R8100 Topeak and quieter rotor with best-in-class

and quieter rotor with best-in-class heat management

comfortable and focused on the ride

Semi-Metallic Pads

Sil-Tec and chromizing treatment on all plates and pins for increased durability

Shimano Ultegra CS-R8100 Topeak and quieter rotor with best-in-classThe uninterrupted shifting experience of the ULTEGRA R8100 12 speed cassette range lets you climb, sprint, and push your limits without stopping to think about your next gear change, thanks to the larger driving cogs maximizing drivetrain range and efficiency. HYPERGLIDE+ Technology Faster, seamless shifts under maximum pedaling load Refined 12 step gear combination provides peak efficiency and accelerating performance for every situation Available in