NEW Shimano Ultegra CS-R8100 Casette - 12-Speed, 11-30t, Silver type_handlebar-grips-tape-pads a measure of the ride’s

a measure of the ride’s difficulty

Internal cartridge bearings allow for light lever throw and positive actuation under load

Locking sliders

#2848A quick-release collar with accessory pods required for use of PTH-1 Paper Towel Holder or 106 Work Tray

Twice the contact area than the competition

NEW Shimano Ultegra CS-R8100 Casette - 12-Speed, 11-30t, Silver type_handlebar-grips-tape-pads a measure of the ride’sThe uninterrupted shifting experience of the Shimano Ultegra CS 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. Shimano HYPERGLIDE+ technology is integrated to provide seamless shifts both up and down the gear range. Refined 12 step gear combination provides