One can buy cheap Razor Scooter parts from a number of online retailers. One can get them from 'Scooter Hut', 'Monster Scooter Parts' and 'Shop Razor'.
Ebay.
Scooter parts, depending on the brand of scooter, are available on Amazon or through the dealer the scooter was purchased from. It may prove to be cheaper to search for parts on eBay, but these parts may not be in the best condition.
if you have a razor scooter or ust go to the razor website they have parts there too.
you can't
One can purchase Chinese scooter parts on the Chinese market website Ali Baba. This website will allow you to buy large amounts of scooter parts at a low price.
The best place for a person to purchase Vespa scooter parts would be on a site such as eBay. This sites also has a guide to what parts need to be purchased.
For a kids push scooter, there are 2 bearings per wheel, 2 wheels per scooter. 4 bearings total. If you buy a pack of 8 for a skateboard, you will have 2 sets.
You can buy parts from doggscooters or luckyscoot both are dot com sites.
Neblds
no
yes, you should get one with the clamp but if not, buy one and insert it into your forks