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Shimano Dura Ace 7700 Octalink bottom bracket (Italian thread)

$ 95.00

This is the bottom bracket you need when using Dura Ace 7710 track crank arms on an Italian track frame having a 70mm shell with right-hand threading on both sides.

 

⚠️ No, your Bianchi PIsta is not Italian. Get the English-threaded version.

• 70mm Italian threaded (1.370" x 24 tpi - both cups right-side thread)

• spindle: 109.5mm Octalink

• sealed cartridge bearings

crank arm bolts & dust caps sold separately

• requires Park Tool BBT-22 for installation & removal

• weight: 173g

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