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- ・Refined 12 step gear combination provides peak efficiency and accelerating performance for every racing situation
- ・Faster, smoother shifts under maximum pedaling force
- ・Compatible with new 12-speed and road 11-speed FREEHUB body
Product Description
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. All this while increasing to 12-gears, ULTEGRA CS-R8100 cassettes are the new paradigm in road shifting.