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    • Shimano ES51 Octalink Bottom Bracket

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        • $22.99 - $26.99 22.99 26.99
        • RRP $58.49
        • Save Up To 61%
    • Select Colour
      Select Option
      English Thread
      Italian Thread
      Select Size
      68 x 113mm
      68 x 118mm
      68 x 121mm
      70 x 118mm
      73 x 113mm
      73 x 118mm
      • right This item ships to United States of America
      • right Shipping amount : $9.99
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Shimano ES51 Octalink Bottom Bracket

Splined bottom bracket for use with Shimano Octalink chainsets.


  • Oversize BB spindle - large 22mm diameter hollow pipe billet spindle reduces weight, increases strength and rigidity
  • Octalink splined axle/crankarm interface -results in more rigid crank assembly compared to square tapered spindle
  • ES51 has anti-corrosion treatment inside hollow spindle
  • Sealed cartridge assembly - maintenance-free sealed cartridge keeps out dirt, mud and water
  • Cartridge design allows easy installation without adjustment
  • Aluminium adapter
  • Average weight 262 grams

A 2 year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).

Buy Shimano Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.

  • Colour: Silver
  • Size: 68 x 121mm, 70 x 118mm, 68 x 113mm, 68 x 118mm, 73 x 113mm, 73 x 118mm
  • Option: English Thread, Italian Thread