Ultegra CS-R8101, 12-Speed Cassette

With the revised 12-speed gear ratio of the CS-R8100 cassette, SHIMANO once again increases the efficiency of the drivetrain’s power transfer. Fine details of the sprockets ensure optimum shifting and acceleration performance in all racing situations.

The advanced Hyperglide+ technology ensures smoother and faster shifting thanks to a precise chain guide. Even under high load on the mountain or during sprints.

Details:
12-speed road cassette of SHIMANO’s Ultegra groupset
HYPERGLIDE+ technology with specially shaped tooth profiles and specially positioned shift pins

Technical details:
Intended use: Road bike
Series: Ultegra
Model: CS-R8101-12
Material: steel (nickel-plated)
Compatible freehub bodies: SHIMANO HG Spline L2 (SHIMANO Road 12-speed), SHIMANO HG L (SHIMANO Road 11-speed and others)
Gear steps: 12-speed
Recommended chains: SHIMANO 12-speed HG+
Weight: approx. 290 g (11-30T), approx. 340 g (11-34T)

Available gear ratios:
11 – 30 (11-12-13-14-15-16-17-19-21-24-27-30)
11 – 34 (11-12-13-14-15-17-19-21-24-27-30-34)
Please indicate your choice.

In the box:
1 SHIMANO Ultegra CS-R8101 12-speed cassette
1 lockring