Shimano CS-R8100 Ultegra 12-Speed Cassette Product Size:11 - 30 teeth Clamping system compatible with bar

Clamping system compatible with bar extensions with 70 to 180 mm spacing

SPOKES: STEEL 14 G

STRETCH: Feel unrestricted and move easily as you go about your riding

year-round companion

Eco-Friendly Neoprene derived from limestone and scrap rubber tires reduces energy consumption and CO2 emissions by 200g per suit

Shimano CS-R8100 Ultegra 12-Speed Cassette Product Size:11 - 30 teeth Clamping system compatible with barLightweight 12 speed HG+ cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changes Hyperglide+ 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 12 speed chains