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.

• Lighter and stiffer construction
• Wide range and close step 12-speed drivetrain

Specifications

• Type: HG
• Speed: 12
• Gearing: 10-45T // 10-51T
• Cog Sizes:
  10-12-14-16-18-21-24-28-32-36-40-45T
  10-12-14-16-18-21-24-28-33-39-45-51T
• Colour: Beige-black
• Weight: 461g (10-45T) // 470g (10-51T)
• Cog Material: Steel / Aluminum
• Item #: CS-M8100-12