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Lengths: 165, 170, 172.5 or 175mm
Chainrings: 39 x 53
Weight: 710 g.

Ultegra 6600 Bottom Bracket sold separately

Ultegra 6601-G available in 165, 170, 172.5 or 175mm lengths with 39x53T chainrings. Requires BB external cups (sold separately). 710 g.

Item Code: S5W-393-170