The 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 peak efficiency and accelerating performance for every racing situation
Description
12 speeds of range make its way to the Shimano lineup with the Ultegra CS-R8100 12-Speed Cassette. This cassette utilizes 12 gears to keep the rations closer and pedaling action smoother up and down the cassette. Ultegra cassettes are made of steel to take on plenty of abuse and long miles.
