ZEROING Road Bike Crankset 165–175mm Hollow 40–50T Chainring Folding Crank

7075 aluminum alloy forging.2. Compatible with 7-12 speed.3. 3D forging processCrank weight:165mm ≈474g170mm ≈498g175mm ≈502gBottom bracket: ≈95gChainring weight:40T≈87g42T≈102g44T≈108g46T≈109g48T≈118g.

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