Shimano CS-R8000 Ultegra 11 Speed Cassette Halo Tyres • Spring Loaded Lever Arm

• Spring Loaded Lever Arm Strike Mechanism

9/16" Thread

If you prefer lock-on grips over silicone you can't go far wrong than a pair of Gusset Single File Grips

Here's what Wizard Works say:

Shimano CS-R8000 Ultegra 11 Speed Cassette Halo Tyres • Spring Loaded Lever ArmLightweight 11 speed HG EV cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changes Hyperglide EV sprockets have been designed to reduce weight with improve teeth shaping providing accurate shifting and reduced wear Wide gear range to meet the demands of all types of rider For use with 11 speed HG EV chains