Hollowtech II--Providing the best balance of stiffness, strength, weight, and rotating performance.
  • pretty_bullet.png XC Race Specific HOLLOWTECH II crank arm
  • pretty_bullet.png Bonded left crank arm for approx. 30g weight savings
  • pretty_bullet.png Various gear combination
  • pretty_bullet.png Narrow Q-factor (158mm)
  • pretty_bullet.png * 36/34T is hollow ,32/30T is not hollow
  • pretty_bullet.png ** 32T/30T is Titanium/Aluminum

Product Specs

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Model Number FC-M9000-1
Series XTR
Crank Construction HOLLOWTECH II Technology
Cassette Compatibility 11
Chain Compatibility Series Color
4-Arm Chainrings x (Spider arm angle is special)
Chainring Sizes 30,32,34,36T
Crank Arm Length 170 / 175
Crank Arms HOLLOWTECH crank arm
Chain Guard Without chain / bash guard
Bottom Bracket SM-BB93 / SM-BB94-41A
Chain Line 50.4
BB Shell Width 68 / 73