Polisport's highly durable and resistant injection moulded skid plates provide full coverage to the engine and frame rails. Made of plastic the Fortress Skid Plates are quitter than metallic protections and have a slim fit to prevent mud, dirt or rock build up between the protector and the frame. SKID PLATE INC LINKAGE PROTECTION - RED BETA 350 RR 20-23 390 RR 20-23 430 RR 20-23 480 RR 20-23 500 RR 20-22