Splined bottom bracket for use with Shimano Octalink chainsets Oversize BB spindle
- large 22 mm diameter hollow pipe billet spindle reduces weight increases strength & rigidity Octalink splined axle/crank arm interface -results in more rigid crank assembly compared to square tapered spindle ES51 has anti-corrosion treatment inside hollow spindle Sealed cartridge assembly
- maintenance-free sealed cartridge keeps out dirt mud & water Cartridge design allows easy installation without adjustment Aluminium adapter Average weight 262 grams