Shimano Splined 5500/6500/7700 Bottom Bracket Weight: 250g double, 259g triple.
Use with 105 splined Octalink chainset.
Available in axle lengths of 109.5mm (double) and 118.5mm (triple).
- Splined Bottom Bracket designed for use with Shimano road Octalink crankset
- Oversize BB spindle - large 22 mm diameter chrome-moly hollow pipe billet spindle reduces weight, increases strength and rigidity
- Octalink splined axle/crank arm interface - results in a more rigid crank assembly compared to square tapered spindle
- Maintenance-free sealed cartridge design prevents corrosion and is easy to install
- Aluminium adapter