Shimano 105 5500 Octalink Bottom Bracket

Splined bottom bracket designed for use with Shimano road Octalink crankset.

Oversize BB spindle - large 22mm 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
• Average weight: 250g
• Bottom Bracket Type: BSA Threaded
• Bottom Bracket: Shimano Octalink