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CART

Shimano Dura Ace 7700 bottom bracket - Italian threaded

$ 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 modern Bianchi PIsta is not Italian. Get the English-threaded 7710 bottom bracket we sell.

• 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 & any track lockring tool for installation & removal

• weight: 173g