Shimano Dura Ace 7710 NJS track crank arms
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The choice of many professional track racers, Dura Ace 7710 crank arms are stronger and stiffer than you'll ever need them to be. We promise.
• 144mm bcd
• NJS certified
• length: 165, 167.5, 170, 172.5, 175mm
• M15 crank bolts, dust caps and chainring bolts included
• color: polished silver
• weight: 505g (165mm)