Proline "THE EDGE" 2.2" Front Truck Tire in XTR-M2 Compound. Super soft, super sticky XTR-M2 compound offers tons of steering and is especially good in bumpy conditions. Wide Multi-Rib Design. INCLUDES: Two Front Tires in 2.2" Diameter, XTR-M2 compound. Two Foam Inserts. SPECS: Inside Diameter: 2.2" Width: 2.00" REQUIRES: A pair of 2.2" Front TRUCK Wheels. NOTES: This tire Only fits 2.2" Front Truck Wheels.