WHEEL & TIRE KITS. ATV / UTV TIRES. ATV / UTV WHEEL & TIRE KITS. ATV / UTV WHEELS. GOLF CART WHEEL & TIRE KITS. System 3 XTR370 (8ply) Radial ATV/UTV Tire [30×10-15]. The System 3 XTR370 has a rugged 8-ply carcass and handles all terrain with power and comfort – yes, both. Advanced sidewall construction for sure-footed traction – all-terrain and all-directions. Tread depth ranges from 0.75 to 1.0 across the face of the 10-inch wide tire. Multi-angle tread blocks over the shoulder give improved side bite. You May Also Like. View more great items. This listing is currently undergoing maintenance, we apologise for any inconvenience caused.