Shimano Dura-Ace BSA Track Bottom Bracket

Shimano Dura-Ace BSA Track Bottom Bracket
$210.00
Model

The Dura-Ace bottom brackets are the fastest and smoothest in the Shimano Octolink Bottom Bracket line-up, designed for the Track racer in mind.

BB-7700 (unsealed)

  • Unsealed bearings
  • Suitable for Indoor track racing (and outdoor in fair weather)
  • Requires yearly maintenance
  • Requires pre-load adjustment for correct setup – We recommend a skilled mechanic
  • Fast Rolling
  • Can be re-built and overhauled by a skilled mechanic
  • Weight: 173g

Specifications:

  • Bottom bracket: BSA Threaded (1.37" x 24tpi)
  • Shell width: 68-69mm
  • Axle length: 109.5mm
  • Axle type: Steel
  • Spindle system: Octalink
  • Suits: FC-7710 Dura-Ace Track Cranks only
Shimano Dura Ace BB-7700 Bottom Bracket
  • Shimano Dura Ace BB-7700 Bottom Bracket
  • Shimano Dura Ace BB-7700 Bottom Bracket

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