Bicycle means having two wheels
Perhaps you're thinking about the penny-farthing.
cycle, bike, wheels, two-wheeler
1890
Is called a motorcycle.
There are different sizes for dirt bike wheels as there are for regular bike wheels.
Rule of thumb, if it has two wheels, you are a rider, if it has 4 or more wheels you are a driver.
Because the term bike is a vehicle with two wheels attached to a frame, one behind the other.
Thin wheels alone isn't enough to identify the bike type. Can be a road bike, bike, a track bike, a TT bike. Even fixies and single-speeds can have thin wheels.
The wheels are the big round things on which the bike moves and the axles are at the center of the wheels, attaching them to the bike.
a mode of transport with two wheels and no engine.
Change the wheels with specil ski wheels i think its called ski bike.
The word bi means 'two'.For example, bi-cycle, means a bike with two wheels.