old school bikes had 3 or 4 speed, then they got five speeds later,but todays bikes can have 5 or 6 speed now.
Depends on the make and model of the bike. Some motocross bikes have 4 gears while most of the cross country thumpers are 5 or 6 speeds.
2 gears
MotoGP bikes have 6 gears.
depends on the model. from 2-7 gears
It depends on the bike if the engine of bike is heavy it has more gears. Usually 5 gears are max gears.
55 stock - 62 with taller gearing.
4 to 6
only one
Depending on the mountain bike that you have will depict the amount of gears. Most bikes for adults typically have about 21 gears. If this does no answer your question then what are levels?
100cc=hp
there are 6 gears, like any other race bike
This bike has a six speed gear box, so six gears.