Epic Super Nitro Quad Speed Roller Skates are fantastic skates for beginner and intermediate level children and young adults. Finally, you can get quality and reliability in an affordable quad speed skate. Epic’s Super Nitro line of quad speed skates feature a classic design with an adjustable speed strap and padded collar, creating the perfect combination of comfort and support. The Super Nitro Skates come standard with indoor/outdoor wheels and ABEC 5 bearings making it easy to transition from skating at the local rink to hitting the sidewalk for an outdoor skate.