Mini-Bike Drive Wheel, Wide Version For 6" tires Wheel Width: 5-1/4" OD Mount Sprocket on one side, Brake on other Hub Width: 7" 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) If...