This is a pair of Duratrax Sixpack ST C2 Tires and Wheels for the rear of the Traxxas 1/10 scale EP 2WD Stampede 2WD EP Monster Jam, and 2WD EP Rustler. FEATURES: C2 (soft) compound is comparable to Pro-Line M3 and AKA soft ratings Ideal for loose to hard packed conditons Color-coded sidewall marking make it easy to identify each tread pattern at a glance One piece foam inserts INCLUDES: Two each, Sixpack ST C2 Tires, Foam Inserts and Black Wheels _ SPECS: Wheel Diamter: 2.8" (71mm) Width: 1.9" (49mm) Hex Size: 12mm