These are the Front Sponge Tires for the 1/12 scale Tamiya RM01 Chassis Cars. FEATURES: Fits front wheels of the Tamiya RM01 on-road race car Standard level of grip on asphalt and carpet surfaces INCLUDES: Two Front Sponge Tires REQUIRES: #51482 Wheels, TAMC1482 SPECS: Width: 0.94" (24mm) Outer Diameter: 1.9" (48mm) jxs 03/13/12 ir/jxs