With its beam spider construction, the new XT M8100 12-speed cassette shaves weight while increasing the 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.
• New shift ramp designs provide the fastest, smoothest shifts by HYPERGLIDE+
• Lighter and stiffer construction
• Reduces cassette inertia resulting in faster acceleration and increased chain security
• 10T lowest sprocket realized by new FREEHUB body construction
• Definitive shifting performance
• Micro Spline Freehub
• Wide range and close step 12-speed drivetrain
• 10-45 — 10-12-14-16-18-21-24-28-32-36-40-45T / 461 grams
• 10-51 — 10-12-14-16-18-21-24-28-33-39-45-51T / 470 grams
Brand: Shimano