The rim will be down against the ground
To rapidly inflate the tire/tube in case of a flat.
Usually when a bike tube is not punctured but goes flat it is because the rubber of the tube is worn out and needs to be replaced.
If it is tubeless then patch the tire on the inside. If it has a tube patch the tube.
these 2 wheels are very different. For one, a bike tire has an inner tube where a car tire does not. Also a car tire has steel belts and is made to a higher standard. Car tires are flat on the bottom to give the most traction where the bike tires are rounded because you must lean the bike to make a turn. The wheel itself works the same way however.
It means that if you put that tire on the right kind of rim it can be used w/o an inner tube.
Google "how to replace dirt bike tires" or look at forums at thumper talk http://www.thumpertalk.com/forum/showthread.php?t=390735
There's (usually) a tube inside the tire. As long as that tube is intact, it's just like any other inflated bladder and will keep the pressurized air inside.
You should be able to, but I recommend going to a bike shop and using the bike version rather than the car version, or you may just blow the tube with that kind of volume of air.
The sidewalls of the tires are usually marked with their size, just pick a tube with the same numbers. Probably something like 20 x 2. You can get high quality 22" inner tubes and tires from the FactionBikeCo.com online store.
If you have the older model, you can change the tube inside the tire yourself with a bike tube. I have done ot twice. Otherwise, you can contact Kolcraft and order spare parts from them.
the difference is that one goes on a bike and the other goes on a dirt bike, the second reason is that one is smaller than the other one to
The difference is that the mountain bike tube is much burlier and wider than the dirt jump tube but may not be as strong in terms of hard hitting strength.