The Martin Custom Products 1в€Ñœ Brake Hub is a heavy-duty, full flange hub for karts, race mowers, and drift trikes. 

Made from Billet Aluminum for high-quality precision and durability, this is the strongest 1в€Ñœ brake hub on the market. MCP designed this hub to use their 4 bolt 7.125 Brake Rotor for perfect fitment and performance. 

Hub Specs:

в€Ñž 4 Bolt Holes on a 3" Bolt Hole Circle

в€Ñž 1в€Ñœ Bore

в€Ñž 5/16" Bolt Holes

в€Ñž 1/4" Keyway

в€Ñž Flange Thickness of 0.30."

в€Ñž Tightening Bolt Included