Shimano CS-M8100 CASSETTE 10-51 12-SPEED XT

With Shimano's new Micro Spline freehub body and Hyperglide+ tooth profile, the 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
  
• Average weight: 470g (10-51T)
  
• 12 speed
  
• Compatible chain: HG 12-speed
• 10-12-14-16-18-21-24-28-33-39-45-51T
• MICRO SPLINE: ✔
• Aluminum spider arm|QTY (pcs): 1
• Aluminum gear|QTY (pcs): 2
• Steel gear|QTY (pcs): 10