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Shimano XTR FC-M9020-1 1x Trail Crank Arms

Sale $199.96 - $369.99

Item # SHI003D

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  • One Color, 170mm ($234.95)
  • One Color, 175mm ($199.96)
  • One Color, 180mm ($369.99)
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Item # SHI003D


Without getting into any of Shimano’s new technology, just take a look at the XTR 1x Trail Crank Arms. They’re stunning. Shimano’s slow march back towards aesthetically-pleasing parts has been good to see, and the new XTR kit looks to be the crowning achievement.

Now, while Shimano maintains that front derailleurs still have a place in mountain biking, the vast majority of us have seen the single-ring light. So, Shimano’s made their XTR arms available for those of us who wish to use a single ring but can’t resist the glossy gray allure of Japanese drivetrain parts. The Trail version of these arms, which you see here, is constructed using Shimano’s tried-and-true HollowTech II technology, though the Trail version is a little less hollow than the Race versions.

The XTR Trail Crank Arms include neither a chainring or a bottom bracket –it’s up to you to find the perfect match for your frame and riding style and put together the ultimate drivetrain.

  • Crank Arms only
  • HollowTech II forged construction
  • 168mm Q-factor
  • Will accept single and double chainrings

Tech Specs

Arm Material:
cold-forged aluminum
Arm Length:
165 - 180 mm
Chainring Sizes:
30 - 36 t
Bottom Bracket:
not included
BB Type:
multiple available
1 or 2
Compatible Components:
Shimano M9000-series drivetrains only
Claimed Weight:
583 g
Recommended Use:
trail, all-mountain
Manufacturer Warranty:
3 years

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Unanswered Question

This crank comes with the caps to cover the bolt holes? Or just like its pictured.