Shimano dura ace bb-7700 octalink bottom bracket bsa 68mm

Product Description The Shimano Dura-Ace BB-7700 bottom bracket has proven itself over decades The Shimano Dura-Ace BB-7700 is an Octalink bottom bracket with 8-splined interface that has been in service for decades. It fits perfectly with the Dura-Ace Track crank FC-7710. Its cold-forged hollow axle increases rigidity. Specifications:Application:Track, RoadSeries:Dura-Ace 7700Type:BSA, ITAShell Width:68 mm, 70 mmAxle Length:109.5 mmAxle Type:Octalink (Road)E-Type Compatibility:noChaincase Compatibility:noTechnical Information:Bearings:steelAxle Material:steelBottom Bracket Cup Material:aluminiumCompatibility:Octalink crank arms with eight-speed splines for shorter grooves (Octalink MTB) Recommended for: Dura-Ace FC-7710Features:8-splined interface of bottom bracket axle and crankcold forged hollow axle for increased stiffnessdiagonally tapered ribs for permanent load-bearing connection of bottom bracket axle and cranksmaintenance-friendlymore efficient power transferTechnology:Octalin…