This can be used with any brand of direct mount hub. Exclusive Roll Forged rim lip increases bead seat strength - keeps rim rigid and round on the most abusive racing surfaces Note: Please order wheels by the chart below to get the correct direct mount front wheel. Wheel sold as: Will actually measure: 3 off wheel measures 4 backspace 4 off wheel measures 5 backspace 5 off wheel measures 6 backspace 6 off wheel measures 7 backspace Learn more about determining the proper wheel for your application by reading our tech article.Racing Wheel Principles.