Shimano XT CS-M8100 Cassette 12-Speed

The new DEORE XT M8100 series includes features such as Shimano’s ground-breaking 12-speed MICRO SPLINE cassette sprockets with either a 10-45T or 10-51T range, 1x12 or 2x12 HOLLOWTECH II cranksets, powerful 2-piston or 4-piston brakes, fully adjustable ISPEC-EV shifters, 12-speed precision-shifting front and rear derailleurs, rapidly cooling ICE TECHNOLOGIES FREEZA rotors and complete XC or Enduro wheelsets, all perfected for today’s mountain bikers.

Building on the experiences of the world’s best mountain bike racers, Shimano has brought its race-winning technology to competitive and enthusiastic mountain bike riders. The new DEORE XT M8100 series, the latest iteration of the original MTB groupset, continues its legacy with high performance features for today’s demanding and adventurous mountain bikers.

DEORE XT 12-speed cassettes come with the MICRO SPLINE fitting system and are available in a 10-45T option for small gear steps or a 10-51T option for maximum range. Both cassettes also feature HYPERGLIDE+, allowing for quick up and downshifts and an extremely quiet drivetrain. The cassettes have an aluminium spider to house ten steel sprockets and two aluminium sprockets for optimum durability and weight.

The CS-M8100-12 10-51T cassette weighs 470g and the 10-45T option weighs 461g.