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Shimano XTR M9000 SM-CRM91 1X Chainring
(3)

Shimano XTR M9000 SM-CRM91 1X Chainring

Item #: CG190A00
USD$52.99 SAVE 59% USD$129.99 msrp
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Shimano XTR M9000 SM-CRM91 1X Chainring

The SM-CRM91 is a dedicated 1x11 speed chainring for XTR M9000/M9020 cranksets. It features Dynamic Chain Engagement technology, a unique tooth profile that provides superior chain retention, drivetrain smoothness, and less chain noise. This updated version of the chainring improves on the previous chainring by including a narrow-wide tooth profile for even better chain engagement. Available in 30t, 32t, and 36t to suit any rider in any condition.

Features

  • Dynamic Chain Engagement
  • Shimano XTR race proven technology
  • Available in 30t, 32t, 36t

Specifications

  • Compatible with: FC-M9000/FC-M9020 cranksets
  • Compatible Chain: HG-X 11-speed
  • Gear arms: 4-arm
  • Bolt Circle Diameter: 96mm
  • Fits XTR M9000 and M9020 Cranks only.
  • Weight: 50g
5.0 / 5.0
3 Reviews
5 Stars
4 Stars
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1 Stars
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Excellent Chainring
The CRM91 is a definite improvement over the CRM-90... Better chain engagement AND less noise. I love it!
March 28, 2017
Purchased
6 months ago
Location:
Riverside, CA
Works great and no chain drop so far.
Did the conversion from 2X to 1X on my 9020 crank set. Needed 1X caps to do the conversion. The caps were hard to find.
July 23, 2017
Purchased
3 months ago
Location:
California
New Design for Shimano
The CRM91 replaced the CRM90. What is the difference? Shimano joined everyone else with the wide-narrow tooth profile. I never had an issue with the CRM90 dropping the chain. So, to me this is no improvement but no loss either.
I kinda liked the CRM90 profile because it was different, but it don't matter when riding my Yeti.
Otherwise - this is a very high quality chainring and matches up perfectly with my XTR crankset.
April 17, 2017
Purchased
6 months ago
Location:
Los Angeles

Q & A

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Browse 1 question Browse 1 question and 2 answers
Will this chain ring work with shimano xt m8000 cranks?
A shopper on May 3, 2017
BEST ANSWER: No. It will not fit. The XT chainrings have an integrated nut while the XTR nuts are separate and specific to the crank.

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Free Shipping Offer

Get free Standard Shipping with your $50 purchase today! Just choose Standard Shipping during checkout.

Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.