SHIMANO Ultegra CS-R8101 12-Speed Cassette Size:11-34 System engineered with SPD pedals

System engineered with SPD pedals for maximum pedaling efficiency and stability

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

Comfort is critical for ultra-endurance gravel racing events and the RX8 delivers a glove-like fit

while offering more purpose and utility than your generic flip-flop or shower slide

The same high performance Team Bib Evo you've come to love with an all new graphic print

SHIMANO Ultegra CS-R8101 12-Speed Cassette Size:11-34 System engineered with SPD pedalsThe 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.