This is a pair of Traxxas B.F. Goodrich Mud Terrain T/A KM2 Tires and Foam Inserts. FEATURES: Fits two wheel and four wheel drive 1/10 scale Traxxas Slash Ultra soft S1 off-road rubber treaded tires Dual profile (inner diameters of 2.2" (56mm) and 3.0" (76mm) INCLUDES: Two Mud Terrain T/A KM2 Tires with Foam Inserts REQUIRES: Installing on SCT wheels SPECS: Outer Diameter: 4.3" (109mm) Width: 1.7" (43mm) lmm 05.07.10 ir/jxs