Shimano CS-M8100 12-Speed 10-51 Cassette

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 MICRO SPLINE freehub body and HYPERGLIDE+ tooth profile.

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