Crank Arms

Cyrusher SLC Verified independent store

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To check which crank arm is the correct one, you will need to use an 8 mm wrench to take off the bolt covering the crank arm hole. Place the crank arm vertical and see which shape the hole is currently in. (NOTE: In the event that a wrong part is ordered from Cyrusher's website, and the package has been shipped out, the customer will be required to pay the original shipping cost (including cancellation fees from the shipping company), plus the new shipping cost for the correct part (paying for the cost of the part is not needed, only shipping costs). Questions about the part's compatibility with your bike? Please call us before ordering: 385-382-1622.) Product Description Left (Square) When vertical the crank arm has a square hole to connect to the crank arm axle. Left (Diamond) When vertical the crank arm has a diamond hole to connect to the crank arm axle. Right (Square) When vertical the dual-sided crank arm has a square hole to connect to the crank arm axle. Right (Diamond) When vertical the dual-sided crank arm has a diamond hole to connect to the crank arm axle. Show more