These Tri-Star Aluminum Rims are 5" in Height and 3" In Width. They Also Have, A Burnished Finish To Give A Classic Clean Look To Any Mini Bike /Go Kart, But Also Is Easily Customizable For A More Personalized Look. A Distance Of 3.75" Between Bolts, Bead Biting Edges To Prevent Slipping, And Each Rim Comes With A 5/8" Precision Bearing.