SHIMANO FC-7900 Dura Ace Crankset, 170mm Review August 9, 2018 Gooze No Comments Drivetrain Components This fits your . Make sure this fits by entering your model number. Shimano America Dura Ace FC-7900 Crankset One Color, FC-7900, 53/39, 170mm CRANKSET SHI FC-7900 170×39-53 10s Post navigation ← RockShox Seatpost REVERB 30.9mm, 125mm, Travel 390mm, Length Remote (Left/above, Right/below) Reviewselle ITALIA SLR Kit Carbonio Flow Saddle Review →