This is a pair of Soft Front Tires for the Tamiya F104, F104X1 and F104 Version II. Chassis. FEATURES: Fits the #54400 standard F104 wheel (TAMC4400) and the #51378 (TAMC4711) spare wheel set Soft compound rubber for excellent steering on asphalt and carpet surfaces INCLUDES: Two Soft Front Tires with Foam Inserts REQUIRES: F104 Wheels, TAMC4400 or TAMC4711 Tire Glue DTXR2000, DTXR2002 SPECS: Width: 1.1" (28mm) Diameter: 2.4" (62mm) jxs 10/11/12 ir/jxs