The XB8 Mud Scraper is CNC-machined from strong graphite product, and it is easily put up inside composite backside hub organizations by both included screws. The mud scraper is very good whenever tangled up in damp and dirty competition conditions, as it allows you to eliminate mud through internal the principal tires, allowing the buggy to leap completely. A "must have in reality" for severe racers or anybody bashing in dirt and mud.