Shimano Cassette CS-M8100 12spd 10-51 XT

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  10-51T cassettes deliver advanced shifting performance.

• 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
•  »10T lowest sprocket realized by new FREEHUB body construction
• ・Wide range and close step 12-speed drivetrain