Street Luge
Skateboard is a piece of wood with wheels that you can do tricks and roll around in bowls on.
Wheels dont make a skateboard easier to turn on the skateboard trucks do that.
no
yes the sizes of skateboard wheels range from 40-70 mm
Bones wheels
yes
4
Wheels
polyurathayne,
The wheels allow them to move. If you look at a skateboard it has wheels.
Skateboard companies make decks and wheels
There are no trunks on a skateboard, you are probably referring to the "trucks" which are the parts the wheels attatch to.