Hollowtech II--Providing the best balance of stiffness, strength, weight, and rotating performance.
  • pretty_bullet.png HOLLOWTECH II Crankset (2x11-speed) Trail Ride Specific HOLLOWTECH II crank arm. Cold Forged aluminum for strength and durability. Interchangeable with all of the new XTR Chainrings
  • pretty_bullet.png Various gear combination--3x11: 40-30-22T, 2x11: 34-24T, 36-26T, 38-28T, 1x11: 30T, 32T, 34T, 36T
  • pretty_bullet.png Standard Q-factor (168mm)
  • pretty_bullet.png HOLLOWGLIDE. Hollow gear construction optimized rigidity, lightweight and durability
  • pretty_bullet.png Durable teeth. Titanium (2x11/3x11), Stainless steel (single)
  • pretty_bullet.png Wt: 656g (40-30-22T, w/o BB), 630g (34-24T, w/o BB), 583g (30T, w/o BB)

Product Specs

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Model Number FC-M9020-2
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 34-24 / 36-26 / 38-28
Crank Arm Length 165 / 170 / 175 / 180
Crank Arms HOLLOWTECH crank arm
Chain Guard Without chain / bash guard
Bottom Bracket SM-BB93 / SM-BB94-41A
Chain Line 48.8
BB Shell Width 68 / 73