They are there grow bike or city bike and the choice is determined by the place you drive.
The bike is considered to be universal, because it passes more easily through the curbs in urban environments. But recently the number of bicycle lanes has grown considerably, to ensure opportunities for safe driving have become more and folks prefer to visit work by bicycle, thereby avoiding traffic traffic. Therefore, urban bikes are preferred. Besides their look is stylish and representative, they may be convenient shopping and less tired driver. So if you do not should drive on dirt roads bet urban bicycle.
When deciding on a bicycle, you must watch frame. Its dimensions are important. When it is too small, it will probably be awkward and greater wasting of energy. If it is too big, you will stop trying and governance generally.