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2018 Road Bike Buyer’s Guide

Shimano XTR M9000 SM-CRM91 1x Chainring


Item # SHI00HM

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  • Black, 30T ($129.99)
  • Black, 32T ($129.99)
  • Black, 34T ($129.99)
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Item # SHI00HM


Kiss the Ring.

Shimano might not be all-in on the 1x movement, but thankfully the Japanese giant does craft product for those of us who prefer the simplicity of a drivetrain with a single chainring. The XTR M9000 SM-CRM91 1x chainring marries Shimano's top-tier XTR crankset with the most precise, smoothest shifting groupset on the trail. Resist the urge to bastardize your otherwise full-XTR build with a third-party vendor and stick with the exactness that can only come from a group engineered in total unison. The same carbon-reinforced titanium construction found on Shimano's flagship rings brings you excellent durability and lightweight performance. The biggest change is in the tooth shapes, which differ slightly from their shifting counterparts. They're custom designed to grab at the inner plates of the chain and work simultaneously with modern clutch rear derailleurs to keep your chain on the ring not matter how rough the trail gets.

  • Shimano's 1x offering for its top-tier group
  • Carbon-reinforced titanium body is light ans stiff
  • Specially shaped teeth retain the chain on rough terrain
  • Compatible with Shimano XTR M9000 crank arms

Tech Specs

carbon-reinforced titanium alloy
Number of Rings:
30, 32, 34t
Bolt Circle Diameter:
chainring bolts
Compatible Components:
Shimano XTR cranks
Claimed Weight:
[32t] 78g
Recommended Use:
mountain biking
Manufacturer Warranty:
3 years

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