Shimano Ultegra CS-R8101 / R8100 12 Speed Cassette Staff-Picks 123g (rear)

123g (rear)

Dimensions 100mm x 80mm x 55mm

wide-range

this means heavy and difficult-to-install inserts aren’t necessary to keep your wheels and tires protected and you can pick the tires

along with a visual indicator on the LCD screen

Shimano Ultegra CS-R8101 / R8100 12 Speed Cassette Staff-Picks 123g (rear)The uninterrupted shifting experience of the ULTEGRA 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. Take your road bike performance to the next level with the Shimano Ultegra CS R8100 12 Speed Cassette. Designed for Shimanos latest generation 12 speed road