DERBY QUAD SKATES : The Roller Derby Skate company is introducing a High Quality and Durable Derby quad skates. We are giving you the choice of beginner and professional leather skate. If you are looking for top derby skate.. Just check our new line of Roller Derby Elite. All the Great skate are offer at a good value. We represent the following lines, Pacer skate, as well as the Labeda Skates, and the Proline quad plates.