There's no fixed answer to that. The best bike would be the one best suited to your riding, your size and your wallet.
If you want an easy starter bike that you can use to go places with, get a hybrid and have it fitted with lights, reflectors, fenders and a rack.
Most people can stand the riding position, and it does OK on the road.
If you want to do jumps and tricks and play around, get a BMX or a MTB Dirtbike. If you want to ride singletrack out in the countryside, get an XC MTB. If you want to ride centuries( long road rides at speed - get a road bike. Be aware that it'll take some time for your body to adapt to the riding position.
If you want to hit the slopes for some jumps and drops - get a DH MTB. If you can't decide between the various flavours of MTB, look for freeride or all-mountain bikes.
To get a Mach Bike you have to go to Mauville City and go into the shop on the right of the kind of parking lot place filled with bikes.
You need the right kind of hub for that. If you haven't, buying a new rear wheel - with the right kind of hub - is probably the sensible option.
a bike that is small
It means that if you put that tire on the right kind of rim it can be used w/o an inner tube.
What kind of an idiot are you? That seriously depends on what kind of freaking bike you have, STUPID!
a bmx bike
Ya.. It is a bike right?
no make
The noun 'bike' is a common, concrete, singular noun.
A hitch receiver is required for a bike rack.
He have a sort of old but not old bike like this one: its a pretty cool bike i love it.
It really depends on what kind of bike you are getting, but normally, a pocket bike is bigger.