SHIMANO Bottom Bracket BB-7710 68 mm

Περιγραφή

Shimano Dura Ace Track Bottom Bracket BB-7710

Dura Ace bottom bracket for FC-7710 track cranks. Octalink axle profile with 109,5mm axle length. The big, hollow rolled 22mm-axle of the bottom bracket reduces weight. The Octalink axle profile offers a firm fit. Reduced axle flexure ensured by needle and ball bearings.