some do and some dont
no they are not
No
the trail bikes do. not the race ones.
no there not dirt bike is better
no
No
Mini moto pocket bikes are available for sale through various locations. For instance, some motorcycle and scooter dealerships carry such pocket bikes.
Yes
flea markets
You can find mini bikes on sale in London in various areas, such as the mini bike store known as Hamptons. You can also buy them online from websites like Amazon.
There is no age range intended for usage of mini bikes. It all depends on the maturity of the young people using the mini bikes and the rules of the parents in deciding what the right age would be.