Coker Tire 63520 Coker Classic Double Whitewall 500-16 This 5.00 x 16 motorcycle tire features authentic Zig Zag Tread design with siping and nicely detailed 3/8 Inch double whitewall sidewall styling. It's an excellent tire for a restored or surviving classic motorcycle project. Coker Tire Company offers the most extensive line of classic motorcycle tires in the world. These whitewall 500-16 Coker motorcycle tires have an overall diameter of 26.25 inches and a section width of approximately 5.00 inches. Please note that dimensions listed tread width, section width and overall diameter are non-scientific and based on an inflated tire, mounted on a wheel.