Shimano Ultegra Cassette 12 Speed 11-34

Shimano Uletgra 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.

Lightweight 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