• CNC machined, heat treated, hollow M12 chromoly spindle.

• Shot peened finish for strength.

• Forged & CNC’d aluminum cups & reinforcing sleeve.

• Single row, double sealed cartridge bearings.

• High-pressure contact lip seal in conjunction with low friction labyrinth cup seal keeps out contaminants & increases bearing life.

• Newly improved extreme conditions bearing grease.

• Features TWO bearings on the drive side to accommodate higher drive train loads.

• 96 ball bearings in each bottom bracket.

• Fixed cup spacer (2.5mm) allows BB to be used with either 68 or 73mm shells.

• Proprietary non-side loading design.