Description

Shimano Dura-Ace 7700 Octalink Bottom Bracket

Shimano BB-7700 Bottom bracket with round hollow axle and multi-toothing for the Dura Ace Octalink crankset. Suitable for frames with BSA thread (68mm).Compared the power transfer of OCTALINK with the conventional square taper spindle, the 8-splined OCTALINK interface that connects bottom bracket and crank set increases the strength and rigidity for entire assembly.

• Use: Road
• Gruppe: Dura Ace
• Model: BB-7700
• BB-Type: Octalink
• Threaded: BSA
• Threaded BB shell width: 68mm or 70mm
• Axle length: 109.5mm
• Material: Steel/Aluminum