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Splined bottom bracket for use with Shimano Octalink chainsets. Smooth and precise shifting performance with HYPERDRIVE technology
  • Replacement for BB-ES25, now 25g lighter
  • Tubular 22mm spindle for Octalink V2 crank arms
  • More rigid assembly than square taper
  • Sealed cartridge bearings
  • Mounting bolts not included

 

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