Mountain bike helmets are better than dirt bike helmets
motor cross is faster
Bicycles are powered by legs, however dirt bikes have gasoline powered motor!
A rocket is cooler:)
no not necessarily
A pit bike is a very small bike that is more to like mess around with in the pits hint hint and a regular dirt bike is alot larger more for trial riding or racing.
A cruiser bike is a bike that gives an upright riding postion, is usually blinged out, and is ridden rather sedately. A dirt bike is something like a cross between a BMX and a MTB. Usually a singlespeed, suspension fork and rugged frame to stand up to jumps and tricks. MTBs are available in several different versions(XC, AM, DH), but basically they're about providing a compromise between ruggedness and rideability.
The length, and depending on horsepower, it could be larger for the higher horsepower bike.
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
not all are. if you want to do dirt jumping i recommend you do not use a normal mountain bike. get a proper dirt jump bike. i used a felt q520 xc bike to dirt jump and the forks broke and i took it in and the mechanic said i had damaged the frame and it was close to snapping.
The wieght, number of wheels, and the way you give it gas
One of the most popular mountain bike magazine is "Mountain Bike." Other favorites that discuss all types of biking are "Dirt Rag Magazine," and "Bike Magazine."