There are different sizes for dirt bike wheels as there are for regular bike wheels.
NO
there are no age limits for dirt bike. but there are recomendations for size
The size or displacement of the engine, 50cc versus 125cc.
The best dirt bike for a would be a Honda CRF 100 for a male and a CRF 70 for a girl. Of course the real size of the bike depends on the size and experience of the rider.
Two strokes can accelerate faster but it depends on engine size
Talk with a salesman, let them help determine what size dirt bike is appropriate for your. Be sure to tell them what you will be doing, play riding, racing, dual sport rides, etc. Select a model that is suitable for your skill level taking into account the bike's handling, power and size. Sit on the bike to make sure it is the right size and test ride each bike. Also, consider buying a used dirt bike.
a 85cc
to start of with a50cc
Yamaha TTR125 is the best dirt bike. I think it’s a good idea for a beginner to use a dirt bike with low engine power. Yamaha TTR is a perfect mid-size beginner bike; it has a 124 CC engine with four strokes.
It refers to the size of the inside of the engine cylinders- 250 cubic centimeters. Good sized engine for a dirt bike.
Ford focuses are for sale and they have sufficient size truck beds to fit a dirt bike. I would check the specific measurements as my bike may be smaller or larger than yours.