they should already be measured when you buy them.
A skateboard has 4 wheels.
no
Wheels dont make a skateboard easier to turn on the skateboard trucks do that.
no
Bones wheels
yes the sizes of skateboard wheels range from 40-70 mm
you could measure. most skateboarding wheels are between 50mm to 58mm although other skateboards, such as longboards, have bigger wheels that are shaped differently.
It is pretty much a wheely on a skateboard but with 2 wheels.
yes
Smaller wheels canmake a skateboard faster , bigger wheels increase stability .
4
Wheels