It means that the bicycle has two chainwheels up by the pedals and six sprockets by the rear wheel. 2x6=12
Doesn't mean you have 12 usefully different gears though. The design meansthat some of the gear ratios are repeated in some of the combinations. Expect to have 8-9 usefully different gears.
Not sure what bike you mean but is it Pennyfarthing.
It means how well you ride a bike
No way of telling what you mean by "new bike"
i think in a car especially if you mean a push bike but if it is a motor bike then a bike! :)
if u mean a motocross bike a 500
100cc 4 stroke motor bike
I have no idea what you mean by "gear bike", so the question can't be answered.
No if you mean a motorcycle bike then no but bmx bike scooter and go kart yes yes you can
THE BIKE HAS 250CC'S IT IS AN ENGINE SIZE. A BEGINNER BIKE.
I think you mean where and the answer is in a mini bike store.
In German, you say "Fahrrad fahren" to mean riding a bike.
yes. you mean is a race bike faster then a trail bike. ya all racebikes are faster