Shimano BB Spline Hollow

Splined Bottom bracket for use with Shimano Octalink chainsets (Deore LX M572).

• Oversize BB spindle - large 22 mm diameter hollow pipe billet spindle reduces weight, increases strength and rigidity.
• Octalink splined axle/crank arm interface results in more rigid crank assembly compared with square tapered spindle.
• ES51 has anti-corrosion treatment inside hollow spindle.
• Maintenance free sealed cartridge keeps out dirt, mud and water.
• Cartridge design also allows easy installation without adjustment.
• Aluminium adapter.
• Average weight 262 g
• 121mm