EFX Tires Sandslinger Tire The remarkable UTV sand tire is the result of in-depth research and rigorous testing by Efx. By investing in premium quality sunscreen, procuring high-powered test machines, and assembling a motley crew of test drivers, EFX took off to the dunes to design the ultimate performing sand tire. Their base in Colorado offers a broad spectrum of terrain, while the neighboring Utah border provides perfect dunes for testing. Multiple alterations and enhancements later, the tire that every UTV rider has been anticipating is finally here. Features: 4-ply construction 14 lug rear paddle design Optimized for float, balanced grip and superior power from a complete stop