SHIMANO DEORE XT - 12-Speed - HYPERGLIDE - MTB Cassette Sprocket. With its BEAM SPIDER construction, the new SHIMANO DEORE XT M8100 12-speed cassette shaves weight while increasing SHIMANO's MTB gearing range another gear. Using SHIMANO's new MICRO SPLINE freehub body and HYPERGLIDE tooth profile, these 10-45 and 10-51T cassettes deliver advanced shifting performance.

HIGHLIGHTS:

• Lighter and stiffer construction
• Wide range and close step 12-Speed drivetrain
• Reduces cassette inertia resulting in faster acceleration and increased chain security
• Definitive Shifting Performance - New shift ramp designs provide the fastest, smoothest shifts by HYPERGLIDE BEAM SPIDER
  

SPECIFICATIONS: