Shimano CS-R8000 Ultegra 11 Speed Cassette Halo Tyres these provide a super comfortable

these provide a super comfortable ride in all weather conditions with a stunning traditional look

• Spring Loaded Lever Arm Strike Mechanism

secure grip

Here's what Wizard Works say:

The nylon bag is abrasion-resistant

Shimano CS-R8000 Ultegra 11 Speed Cassette Halo Tyres these provide a super comfortableLightweight 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