This is the Pro-Line Suburbs T 2.2" M4 Compound Rear Truck Tires and White Foam Inserts.FEATURES: Super soft, super sticky, extremely high traction M4 compound National championship winning compound and tread design Long lasting tread height for use on a variety of blue-groove surfaces where soft compound tires would typically be run Inner and outer radius rib tread for increased cornering and predictable side bite Carcass webbing resist tire expansion under acceleration and deceleration Sidewall ribbing maintains shape in extreme traction conditions for better cornering Single stage firm foam inserts Will fit on any 2.2" truck wheelINCLUDES: Two 2.2" Suburbs T 2.2" M4 Compound Rear Truck Tires Two White Single Stage Firm Foam Inserts One Pro-Line DecalREQUIRES: 2.2" Truck Wheels Tire glue - DTXR2002SPECS: Outer Diameter: 3.93" (100mm) Inner Diameter: 2.2" (56mm) Width: 2.1" (53mm) jxs 07/15/11 ir/jxs