• CNC machined, heat treated, hollow M12 chromoly spindle.
• Shot peened finish for strength.
• Forged & CNC’d aluminum cups & reinforcing sleeve.
• 118mm spindle & offset drive side cup for use with chain guides.
• 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 drive side to accommodate higher drive train loads.
• Fixed cup spacer (2.5mm) allows BB to be used with either 68 or 73mm shells.
• Proprietary non-side loading design.