Shimano Dura Ace Sg 55-42 9s Fc-7701 7700 170mm Crank Set Tt, Triathlon Olympic
The Smoothest Bike Drivetrain I ve Ever Ridden
Crankset is in
excellent
used condition. Bottom Bracket Shell Type BSA (English). Build Kit / Gruppo (19). Other parts from 7700 group set also available. Build Kit / Gruppo (19). BB-7700 Dura Ace bottom bracket is buttery smooth.
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