6" Minibike Dual Flanged Drive Wheel - Shallow For 6" ID tires Wheel Width: 4" OD Mount Sprocket on one side, Brake on other Hub Width: 5-3/4" Stud Spacing: 2-7/8" Across Bore Studs: 3/8" Diam x 1-1/4" Length Uses 1-3/8" OD Bearings (Commonly, 5090 Bearings) Ideal for 410-6 Tires, up to 5" Wide