Pit Bull RC Radio PB9002NK 2.2 Rock Beast II Scale Crawler Tire with Kompound Komp Kompound; 2.2 Rim; 2.22 OW*; 5.75 OD*; Weight  approximately 5.2 ounces per tire (without foam) Stepped lugs  aid in Lateral traction Multi-varied tread blocks  create an alternating biting pattern for maximum traction, especially in off-camber situations Inside ribbing  provides sidewall support and stability Integrated sidewall protectors  sidewall bands of rubber that add support and control