DURA-ACE BOTTOM BRACKET (BSA)

DURA-ACE Track features race-proven Hollowtech Octalink Bottom Brackets.
  • pretty_bullet.png OCTALINK Splined BB Interface

Product Specs

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Model Number BB-7700
Series DURA-ACE
BB Shell Width 68mm/70mm
Spindle Length 109.5mm
Spindle Material chrome-moly steel
Average Weight 173g