Aggressive tread for high degree of traction ''Deep Woods CR'' and ''Duratrax C3'' white lettering on sidewall Duratrax C3 compound compares to the Pro-Line M4 super soft, and the AKA Super Soft compound Wheels constructed of molded plastic with matte black finish 1.9'' Deep Woods CR Mounted Black (2) (12mm Hex) C3 Duratrax Dimensions: diaouter: 120 mm diainner: 45 mm Width: 43 mm