Vintage Radials | Coker Classic Radials Coker Classic Radials offer the profile of vintage bias ply tires, with the handling and performance of modern radials. Genuine blackwall vintage radials feature modern rubber compounds for an excellent ride quality and tread life. DOT and ECE (European Union) approved, with an all-season tread design and backed by our life of the tread warranty. 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. Dimensions may vary due to rim width and inflation pressure.