The Gear Shift Master offers cyclists a new level of shifting precision with the ULTEGRA R 8100 12-speed cassette range.
With larger driving cogs enhancing drivetrain efficiency, riders can seamlessly transition between gears without interrupting their momentum.
Designed for both climbing and sprinting, this cassette range is compatible with Shimano 11 and 12-speed FREEHUB bodies.
The innovative HYPERGLIDE+ technology ensures smooth and reliable gear changes, making it ideal for both on and off-road cycling adventures.
Shimano ULTEGRA R 8150 drivetrains maximize efficiency with larger cogs while maintaining compatibility with existing HYPERGLIDE FREEHUB bodies.

Show Specifications

Product Condition: Brand New in Original Retail Package; Free standard shipping Product Description: The uninterrupted shifting experience of the ULTEGRA 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.
HYPERGLIDE+ cassettes revolutionized off-road shifting with its seamless shifts both up and down the gear range. Now it's time for the technology to change road cycling.
Even during maximal efforts up a climb or racing a friend, riders no longer need to back off to perform a shift. In any gear, Shimano ULTEGRA R8150 drivetrains maximize efficiency thanks to larger cogs and retain compatibility with existing HYPERGLIDE FREEHUB bodies.