Forged Billet Aluminum Solid Rotor Offset Hubs are made from premium grade alloy billets are forged into shape under high heat and pressure, then CNC machined for precise fit on each spindle application. Intended for use with intermediate adapter plates, but can also be used with aluminum mounting hats for custom applications. Hubs may have mutiple wheel lug patterns depending on part number. Hubs include bearing races and screw-on aluminum caps.