Shimano ES300 Octalink Bottom Bracket

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  • Acera ES300 Octalink 68mm Bottom Bracket from Shimano is a splined bottom bracket for use with Shimano Octalink chainsets.
  • It features a large oversized 22mm diameter hollow spindle that is made from cold forged chrome-moly pipe billet, which reduces weight and increases strength and rigidity.
  • Sealed cartridge bearing assembly runs on oversized ball bearings with maintenance-free, high efficiency rubber seals to keep dirt, mud and water out and keep you rolling for longer.

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