These are the optional RPM Nerf Bars in Black for the 2WD Traxxas LCG Slash. FEATURES: Engineering grade nylon construction Replaces the Traxxas #5833, #5833A & #5833G nerf bars Designed specifically for the low center of gravity (LCG) Slash chassis Extra cross bracing to optimize rigidity while absorbing impact energy INCLUDES: Left and Right Nerf Bars in Black