Compounded and designed for use on sport models for recreational and race use.Available in a tough 6-ply casing which maintains a profile that provides excellent traction for all 20in. and 22in. rear OD sizes.Available in a flexible 4-ply casing for the MX 18x10-8 rear size.Front Pactrax design and profile is also designed to offer excellent steering and cornering control.New Pactrax II rear design that provides better forward bite.Compounded with a special natural racing rubber compound that delivers superb traction needed with extended tread life.Aggressive knobs provide excellent grip and traction in the most challenging and varying conditions.The use of the tire and other vehicle data and information accessible through this webpage is limited to persons located in the United States of America and Canada.ALTHOUGH THE DATA IS BELIEVED TO BE ACCURATE, NO WARRANTY OR GUARANTEE IS MADE REGARDING THE QUALITY OR ACCURACY OF THE DATA.All data should be verified by a tire professional, the vehicle placard (typically located on an inside door panel or on frame), and/or the vehicle owners manual