Shimano Dura Ace Octalink Bottom Bracket: BB-7700 - 109.5mm x 68mm (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 Dura Ace 7700, Ultegra 6500, and 105 5500 series cranks, as well as other manufacturer's cranks that use Octalink V1 (FSA, Ritchey, etc). It is NOT compatible with Deore, Tiagra, Sora cranks, which use Octalink V2 BB-ES51 bottom brackets (available below)
Near mint very lightly used shape. Bearings feel and sound new. Lockrings are free from tool damage. Cups look great.
- Spindle length: 109.5mm (for double cranks)
- Threads: English 68mm shell, 1.37x24
- Octalink V1