Shimano Dura Ace 7710 NJS track crank arms
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)