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XTR FC-M9130-1 Crankarms - Super Boost

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Why We Like The XTR FC-M9130-1 Crankarms

As the premier option in Shimano's 12-speed mountain lineup, the XTR FC-M9130-1 Crank Arms offer low weight, superb durability, and excellent chain retention. This model is made for mountain bikes with 12 x 157mm Super Boost rear hub spacing, utilizing a 56.5mm chainline for optimal frame clearance and shifting performance.


  • Shimano's top mountain bike cranks offer race-worthy performance
  • Works for XC, trail, and enduro applications
  • Designed for bikes with 12 x 157mm Super Boost spacing
  • Hollowtech II construction makes for a strong and light crank
  • Available in 165mm, 170mm, and 175mm arm lengths
  • Item #SHIU1HV
Arm Material
Hollowtech II Aluminum
Arm Length
165mm, 170mm, 175mm
Bolt Circle Diameter
direct mount
BB Type
pressfit (SM-BB94-41A), threaded (SM-BB93)
Hollowtech II 24mm
Q Factor
Compatible Components
[drivetrains] Shimano 12-speed mountain, [bikes] 12 x 157mm Super Boost rear axle spacing
chainring, lockring, preload cap
Manufacturer Warranty
3 years
mountain biking