Shimano 105 5500 BB Splined Octalink

Shimano 105 5500 BB Splined Octalink Bottom Bracket

• 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
• Average weight 250 g