SHIMANO CASSETTE ULTEGRA R8101 12 SPEED

The Ultegra R8100 12-speed cassette has a smooth shift during uphill climbs, during sprinting and even during fun rides out. This way you don't have to worry about your next gearchange. Bigger drive wheels make the drive even more efficient and suitable for Shimano 11- and 12-speed freewheel hubs.

HYPERGLIDE+ cassettes offer a revolutionary off-road shiftingsystem with seamless shifting to both ends of a wide range. Now it's time that the technology also changes roadcycling. Even during maximum effort during a climb or during a competition among friends, you don't have to hold back to shift between gears. Shimano ULTEGRA R8150 drives offer maximum efficiency during every shift thanks to the big sprockets and are still suitable for excisting HYPERGLIDE freewheel hubs. On top of that, Ultegra CS-R8100 cassettes have 12 gears now and are the benchmark for shifting on the road.

• Refined 12-step sprocketcombination offers optimal efficiency and accelarationperformances for every racingsituation

• Faster and more smooth shift during maximum pedallingforce

• Suitable for the new 12-speed and 11-speed race freewheel hub