This is a pair of GT World Rear Spec Tires from John"s BSR Racing.FEATURES: Foam tires Black nylon rear wheels Team purple medium/firm compound recommended for carpet and asphalt racing Low wear/ longer lasting characteristicsINCLUDES: Two GT Rear Spec Tires and WheelsREQUIRES: Installation on the vehicleSPECS: Outer Diameter: 60mm (2.4") Inner Diameter: 17mm (0.67") Width: 50mm (2")John"s BSR RacingPart BXRF1034GT