• 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. .
