Campagnolo Centaur Carbon Power Torque 10-Speed 172.5mm road double crankarms, and OEM alloy chainring bolts, ONLY. Out of box. Power Torque splined bb, with installed sealed-bearing on the drive-side arm. 135BCD means a small ring of 39T and Campagnolo quality from 2011. English standard 9/16"x20 threading. 517 grams/1lb.2.2oz. CSCA643.
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