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Shimano Dura-Ace BB-7700 Dura-Ace bottom bracket 68 – 109 mm without seals

Original price was: $88.19.Current price is: $44.10.

Save: 50%

SKU: BKDW187621 Category:

Description

  • Precision engineered Dura-Ace 7710 bottom bracket for road Octalink splined system
  • 22 mm diameter chrome-moly hollow pipe billet axle reduces weight
  • Splined interface provides a more rigid crank assembly compared to tapered counterparts
  • Compound bearing structure – ball and needle bearings support the spindle to reduce flex
  • Maintenance-free sealed cartridge design prevents corrosion and is easy to install
  • Average weight 173 g

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