The Greenball Dirt Devil is a quad tire specially designed for drivers who are looking for excellent grip . durability . and traction. Ideal the most ATVs . the Greenball Dirt Devil features a reformulated compound with more natural rubber molded into an aggressive tread pattern to provide you with a pleasing off-the-road performance. To enhance grip and durability even more are the added traction spikes which allow the Greenball Dirt Devil to perform well on a wide range of terrain including gravel . dirt . light mud . and hardpack. Each lug has more biting edges to enhance traction and stability no matter what landscape you™re driving in. The 6-ply carcass ensures that the tire enjoys longer durability and resistance to puncture. To get the most out of the Greenball Dirt Devil . it is recommended to use it in sets of four.