Shimano Ultegra CS-R8100 Cassette 12-SpeedThe 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

A total of 19 vents at the front

Advanced shifting performance provides the confidence to enjoy any trail

so we created the Camber to provide a dialed fit for rippers of all sizes

The 10 mm thick

Chrome-moly spindle and low-maintenance sealed bearing cartridge axle

performance driven bib short featuring a clean design and technical fabric spec

Red eTap AXS (Gen

BR-R9170-F

durability and incredibly low noise in all conditions

Series: Acera

11-12-13-14-15-16-17-19-21-23-25T

with a 3-millimetre-thickness