Dirt Roller Skate,Skike,magic inline mountain skate, CE Approved,ABEC-7 bearing, with Solid aluminum stents, for Various land Dirt Roller ... )patented wear resistant brakes.Description: Air tires 6x1 1/4’’ size ABEC-7 bearing Advanced brake to easy secure ... our best to fulfill your requirements!Hope the cooperation with you sincerely. Dirt Roller Skate,Skike,magic inline mountain skate with CE Approved