Shimano | Ultegra Cs-R8101 Cassette 12Sp, 11-30T

Shimano Ultegra CS-R8101 Cassette Uninterrupted Shifting Experience Shifting is an important part of riding a bike. With an upgraded cassette on your bike, your rear derailleur will shift better and faster. 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 Hyper Glide+ technology is integrated to provide seamless shifts both up and down the gear range. Features Refined 12-step gear combination provides peak efficiency and accelerating performance for every racing situation Faster, smoother shifts under maximum pedaling force Compatible with 12-speed and road 11-speed freehub bodies Specifications Cassette Body Type Road 11-speed and 12-speed Cassette Cogs11-12-13-14-15-16-17-19-21-24-27-30TDrivetrain Speeds12Cassette Material Aluminum Weight291g | Shimano | Ultegra Cs-R8101 Cassette 12Sp, 11-30T