There still used for skating or you can give them to a friend for spare parts.
Wheels dont make a skateboard easier to turn on the skateboard trucks do that.
no
Skateboard is a piece of wood with wheels that you can do tricks and roll around in bowls on.
Bones wheels
yes the sizes of skateboard wheels range from 40-70 mm
yes
Bearings are used to let the wheels spin freely and with minimal drag.
polyurathayne,
4
Wheels
Shark Wheels are a type of skateboard wheel that have a unique shape resembling a cube with grooves. They differ from traditional skateboard wheels in that their design claims to provide better grip, speed, and maneuverability due to their shape and pattern.
The wheels allow them to move. If you look at a skateboard it has wheels.