Keep The Rocks Out and Tires On with the wheels champions choose worldwide! An evolution of the Championship Winning Rok Series ATV Race wheels. New with Matte Black Finish, Stronger .190 Matte Black Finish Ring and Black Zinc Finish Hardware. To create the absolute top wheel in ATV racing - the Patented ROK2 Series wheels combine proprietary integral rock guards with the hollow rolled lip construction, the lightest way to reinforce the vulnerable area. The ROK'N-LOK2 is the champs choice for a rock guard wheel and can be seen on most of the top racers out there today. The ROK-OUT2 is the perfect choice. Patented universal built-in rock guard. Adds style without losing protection. Integral rock guard stiffens the wheel center. Stops debris from entering, preventing damage to brake lines, caliper and wheel.