Shimano DURA-ACE BB-7700 Bottom Bracket 109.5mm 68BSA NJS IBB7700B09NJ
Shimano Dura Ace Track Bicycle Octalink BB-7700 BSA NJS Standard 68mm
BB Shell: 68mm (BC 1.37) Spindle Length: 109.5 mm Spindle Material: chrome-moly steel New in Box For Bike Type Track Bike Brand Shimano MPN IBB7700B09NJ UPC Does not apply Shell Width 68 mm Spindle Length 109.5 mm UPC 689228046306 Part Type Bicycle part .