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  • Race Face Aeffect EXI Crank Arms
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Race FaceAeffect EXI Crank Arms
Sale 38% Off$74.95 $119.95

Item # RCF002W

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  • Black, 170mm ($74.95)
  • Black, 175mm ($74.95)
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Item # RCF002W

Another success.

If you're looking to upgrade to a modular crankset without burning through your entire upgrade budget for the season, you can't do much better than Race Face's new Aeffect EXI Crank Arms. Occupying a notably more accessible price point than its pricier siblings, the Aeffect makes modularity available for your trail, XC, or enduro frame without requiring you to empty your wallet to afford it. Built dependably with a forged, 6066 aluminum construction, the Aeffect may not boast the same bombproof self-assuredness of its burlier siblings, but it still has a commendable strength-to-weight ratio for aggressive trail, XC and all-mountain/enduro riding.

Just like its pricier siblings, the Aeffect boasts compatibility with a range of bottom bracket standards, but unlike them, it's delivered with a slimmer 24mm spindle. Swapping between chainring standards is quick and user-friendly with the design, which is compatible with 10 or 11-speed drivetrains, and most importantly, it affords you the option to run a direct-mount, one-by chainring or use a spider to mount double or triple chainrings if you prefer. Quiet and consistent, the Aeffect EXI shows, unsurprisingly, that Race Face has its tech and construction dialed on modular cranksets, and that a more affordable option doesn't have to mean a sacrifice on either account.

Tech SpecsWeight
Tech Specs
Arm Material
6066 aluminum
Arm Length
170 mm, 175 mm
Bolt Circle Diameter
64 / 104 mm
Compatible Components
10/11-speed drivetrain
Recommended Use
mountain bike
Manufacturer Warranty
1 year

Actual Weight

Actual weights are measured in-house by the Competitive Cyclist team.

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Black, 170mm
Black, 175mm

Claimed Weight

Claimed weights are provided by the vendor.

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[170mm 32T with BSA bottom bracket] 745 g

Reviews & Community


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Unanswered Question

What is the spindle length of your Aeffect crank. Will it work with a BB92?

Unanswered Question

Will these cranks work with boost?


  • Familiarity: I've put it through the wringer

Great crank for my Santa Cruz Bronson. Easy to install, easy to ride, nice and fresh looking. The quality you'd expect from Race Face.


I'm looking into buying this for my bronson too! I bought oneup oval single chainring, do you know if it will fit?

Crank Dat Soulja Boy

  • Familiarity: I've used it once or twice and have initial impressions

Does the trick! Light weight, efficient, comes pre-lubed. Its super cranky so you don't have to be.

Crank Dat Soulja Boy

Race Face All Day

  • Familiarity: I've used it several times

What awesome cranks! There up to any task, strong, durable, and reliable. Make sure however you get the X Type bottom bracket if your matting to a PF30 bottom bracket. As these cranks are a 24mm spindle diameter. However it is compatible with all of Race Faces Cinch System