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Pair of bicycle 1-piece crank bearing. 5/16 x 9. It is about 1.75" outer diameter and 9 x 5/16" balls. Fits all standard 1-piece crank.

Shipping  : Item will be shipped within 2 business days after a  cleared payment received.

Payment  :  Please pay within 3 days.

Return  :   Return will be accepted within 7 days ,  shipping is non-refundable and 20% restocking fee will be charged .