The unique race compound on the Kenda Havok Tires has been lab tested and competition-proven under the most demanding conditions to deliver superior traction and extended tread life, with an improved profile, providing predictable steering, braking and acceleration. Optimized tread spacing designed for sport and race ATV applications. Non-directional, 6-ply rated carcass. Havok K3211 18x8-8, Bias, Rear, 6 Ply