The bike that you should buy for your nine year old son is that with a 20-inch wheel with suspension forks and adequate front suspension.
The best bike to buy for a nine year old active boy is a 24in-wheel bike with a 3-speed hub gear.
yes
bike
Snowboard because its better than a dirt bike.
Depends on how much they owe on the bike and if the price of the bike includes pay off to their bank and you get the title. If there is a lean holder on the bike and after you buy it you don't get a title then no I would not buy the bike.
pleasure
Only you can answer that. If you have the money to spend, go ahead.
I think you can buy that one but should have to care about the local rules of your city and state. Check this link there you will found many wholesalers and retailers of different cheap bikes. motorcyclesdir.com/ ^ dna 50 is an amazing bike its quick and looks stunning but as all bikes they do come with problems
U can buy one on Craigslist (used)
DiomandBack Groove
buy a big and nice bike
they are more stunt bikes but if you want to do more jumping on and of you should buy a trial bike