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  • Easton EC90 SL Cinch Crankset
  • OptionsEaston -
EastonEC90 SL Cinch Crankset
$474.98 - $479.98

Item # EAS001Y

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  • Black, 170mm, 38t ($474.98)
  • Black, 170mm, 40t ($477.48)
  • Black, 170mm, 42t ($479.98)
  • Black, 172.5mm, 38t ($474.98)
  • Black, 172.5mm, 40t ($477.48)
  • Black, 172.5mm, 42t ($479.98)
  • Black, 175mm, 38t ($474.98)
  • Black, 175mm, 40t ($477.48)
  • Black, 175mm, 42t ($479.98)
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Item # EAS001Y


With the recent merger of Easton and Race Face, the former was able to bring the latter's future-proof Cinch crankset technology from mountain bikes to road, cyclocross, and gravel. We built the direct-mount, one-by Easton EC90 SL Crankset primarily for 'cross and gravel, but the crank arms' modularity means it can adapt to the spider-life of a double as needed.

That modularity is the key to the crankset's future-proof status. Rather than being adrift in an ever-expanding sea of proprietary standards and slightly tweaked dimensions, the self-sponsored cyclist can invest once in the Cinch-equipped EC90 SL crank system with confidence that, regardless of what the future holds, the chassis will be compatible.

The crank arms themselves are Easton's EC90 SL carbon fiber, a material that's already been proven from cockpit components to the soles of some of cycling's most popular race shoes. The included rings say "Easton," but they feature a narrow/wide tooth profile similar to the one-by standouts from Race Face, so the chainring clears debris caked-on from peanut-butter mud pits and maintains chain retention across washboard and over-sized gravel.

  • A future-proof crankset for cyclocross and gravel
  • Infinitely modular Cinch design borrowed from Race Face
  • Crank arms made from Easton's most venerable carbon fiber
  • Narrow/wide tooth profile clears muck and retains tenaciously
  • Built for specific compatibility with Easton's Cinch-style bottom brackets
Tech Specs
Tech Specs
Arm Material
EC90 carbon fiber
Arm Length
170mm, 172.5mm, 175mm
Chainring Sizes
38t, 40t, 42t
Bolt Circle Diameter
BB Type
Q Factor
149 (with washers)
Compatible Components
Cinch bottom brackets
Recommended Use
cyclocross, gravel
Manufacturer Warranty
2 years

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Premium Blend

  • Familiarity: I've used it several times

Super Light and Plenty Stiff!

At 458g for the arms and ring (578 with PF30bb), I am not sure if you are going to find a lighter crank option that offers the stiffness and durability you get from the Easton Crank. Bottom Brackets seem to be available for most frames to run these too.

I didn't really feel like I was going out on a limb by giving these a try. Raceface has been using the same tech in the Mountain Bike world for a few years now, with massive success. I can swap out chainring sizes in a matter of about 10 or less due to the ease of use of the CINCH system, so adjusting my gearing for varying courses or rides is really not a big deal. The perfect solution for any Gravel or Cross riders building up a bike, or looking to shed some weight from their current ride.

I have mine mounted up on my Cielo Base Racer with Force1 components and a 10-42 Cassette. I almost did my build with an Ultegra Di2 / XTR Di2 combo which would have been super cool, but with my already not the lightest steel frame, I opted for the lighter build option.

Let me know if you have any questions.


801.736.6396 ex. 4569

Premium Blend

Hi Forrest. Do you have to use an Easton BB with this crank, or can you use other brands as well?