System 3 Off-Road Xtr370 Tires The Xtr370 is an extreme-terrain radial with lug spacing and lug size sharing the road 50:50. Multi-angle tread blocks create traction in a virtually any environment. These deeps treads benefit from the flexibility of System 3 Off-Road's advanced sidewall construction - being pliant yet tough and using eight ply construction. Large voids evict mud with great aplomb, and a deep rim guard offers protection from flats and damage. Features: Extreme all-terrain performance Multi-angle tread blocks at shoulder for improved side bite 8 ply radial construction Wide lug spacing ejects mud Flexible, pliant advanced sidewall construction Deep rim guard For off highway use only Note : Tire only. Wheel not included.