This is the mrp s4 bashring 32 36 tooth mrps lightest polycarbonate bash guard ever some riders prefer a full bashguard system the s4 features new bashguard designs similar to the party crasher lite but even lighter the same skeleton pattern of weight reduction on the new g2 sl skid plate is seen on the front side of the s4 bashguard while the back side of the s4 bashguard features a honeycomb weight reduction pattern