The roller skate, or "quad skate" is kind of skate with 4 wheels arranged in two rows. It is different from the inline skate.

Different models exist :

  • speed
  • hockey
  • artistic
  • dance
  • recreational
  • aggressive
  • jumps
  • indoor/outdoor
  • etc...

You can build a quad skate with 4 elements :
  • boots
  • frames
  • wheels
  • bearings