Description
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 68x109.5mm recommended bottom bracket.Check the Hatta bb we sell.
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