Shimano Dura Ace crank arm bolt & dust cap
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If you have DA 7710 crank arms and don't have bolts, these are the missing piece.
For use with Octalink crank arm only. These will not work with square taper crank arms.
• self-extracting mechanism
• steel bolt, washer & aluminum cap w/ rubber seal
• sold individually - if you need a pair, buy two!