SHIMANO Ultegra CS-R8101 12-Speed Cassette Size:11-34 Designed to bring a new

Designed to bring a new look to the ‘Mountain Bike Shoe’

The Vaypor+ can be fine-tuned using our proprietary heat molding technology that accommodates for minor changes to fit from the toes to the heel

along with a lightweight Durolite upper

System engineered with SPD pedals for maximum pedaling efficiency and stability

Retention claws and a mud-shedding design ensure reliable performance in all conditions

SHIMANO Ultegra CS-R8101 12-Speed Cassette Size:11-34 Designed to bring a newThe uninterrupted shifting experience of the Shimano Ultegra CS R8101 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.