Roller Skates, Roller Skate Plates, Roller Skates Toe Stops & Bearings. Awesome selection at reasonable prices. Quad Roller Skates are considered to be one of the most innovative ways to skate on dry surface. Riedell is world known skate manufacturer with millions of dollars invested into making great quality products for quad roller skate industry. Sure-Grip is a US based Quad Roller Skate company with years of experience making the highest quality skates on the market. Roller Derby excels at making some of the best kid roller skates fashionable and inexpensive. Roller Skates Features, Advantages and types Roller skating is one of the activities that is beyond time and fashion. Quad-skates are boots fixed to a metal plate with two pairs of rubber wheels mounted in a shape of a square. Quad-skates are a perfect choice for those who are: If you decide that quad-skates are perfect for your skating practices you will find that there are further choices to make. Rolling through ups and downs.