Shimano Dura Ace Track Cranks 7710

Shimano Dura Ace Cranks: Hollowtech: hollow-forged, polished and anodized aluminum arms. Track
crank arms with 5-arm spider *(3/32″ or 1/8″ chainring sold separately).
Includes 1-key release (8mm hex) M15 crank bolts. 505g @ 170mm (without
chainring): NJS-type 7710 68×109.5mm recommended bottom bracket.Check the Hatta bb we sell.