Protect expensive rear brake rotor, swingarm, sprocket and chain from rocks, debris and unwanted sudden impacts Help ATV glide over obstacles in the path Durable oil and gas resistance rubber is riveted to chain side, eliminating chain noise from slapping on the swingarm skid plate Made of .190" thick, lightweight, high-quality aluminum plate Extra reinforcement gussets are added to increase durability Handcrafted precision heli-arc welds for superior strength All hardware included for installation. SKIDPLATE S-ARM 400EX