Wheel Position Front Package Type Wheels Only Inner Tire / Outer Wheel Diameter 2.2 / 3.0 in Vehicle Type Short Course Truck Scale 1/10 Wheel Hex Size 12mm Boost your truck's performance with the Front Hazard Wheel, Black (2). These 2WD Slash wheels are built for 1/10 scale short course trucks and feature an inner tire diameter of 2.2 inches and an outer wheel diameter of 3.0 inches.