Octalink Bottom Brackets

Shimano Dura Ace BB-7700 Octalink Bottom Bracket: 109.5mm x 68mm - BSA (Near Mint)

This lightweight bb is fully rebuildable!  It features roller bearings, and can be easily greased just by removing the cups.   This is an Octalink V1 bb, and is compatible with standard double Dura Ace 7700, Ultegra 6500, and 105 5500...