CS-M9100 Cassette 10-51T, XTR, 12-SPEED XTR

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Make the most of the extra gears with a cassette range as large as a 10-51t. Shimano also employs BEAM SPIDER construction technology in order to make the cassette lighter and therefore improve acceleration on the bike. Another bonus of the latest model i



  • Let you pedal continuously while shifting
  • Increased acceleration by reducing inertia and weight by BEAM SPIDER construction


  • Definitive shifting
  • New MICRO SPLINE * construction to engage FREEHUB body


Model No CS-M9100-12
Series XTR M9100 Series
Average Weight 357 g (10-45T) 367 g (10-51T)
Combination 10-12-14-16-18-21-24-28-32-36-40-45T, 10-12-14-16-18-21-24-28-33-39-45-51T
Combination Name(Group Name) 10-45T 10-51T
Compatible Chain CN-M9100
Speeds 12-speed
Spider Arm_qty (Pcs) 1
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