There are a lot of different criteria to consider when you are buying a cycling bicycle. Take heart! Even professional cyclists struggle when choosing their next bicycle. Because there are so many choices, it is hard to buy a new bike. Evaluate the safety, comfort, and use of the future bike. You also need to see how the bike looks, and how frequently you’ll ride and the location of those rides. How can you make a decision when there are so many different choices available, and new options being released every day? Simply apply this test as you go to get your new bike.
One way to choose the bike that fits you is to sit on the bike and see if your feet will rest flat on the floor, in case you need to stop yourself. There are some people that say this isn't the best way to choose, though. It is their belief, that your time on your bicycle will be much more comfortable, if you allow your feet to remain several inches off the ground. The seat will usually sit a little low and too close to the crossbar if you are able to bend your knees while your feet are on the ground and your backside is on the bicycle’s seat. This is because when you are pedaling with this bike, your knees are going to come up too high. You shouldn't ever sit the seat at the lowest setting, which means sitting on the crossbar. You want to adjust it up a few inches and take those inches into account when you are choosing your bike. You will have a much more comfortable experience when riding if you are able to get some clearance between the crossbar of the bicycle and you. The best way to adjust your seat to the correct height is to place your foot on the pedal at the lowest setting and bring the seat up as high as it can go so that your leg is almost fully extended.
It is important that you allow adequate room between you and the crossbar. When choosing a bike move the seat so it is a couple of inches above the crossbar. Sit on it and make sure you can rest your feet flat to the ground. click for more info You will want to leave different clearance lengths depending on the type of bicycle you are buying. A good example is a touring bike, with these bikes you will only need around 1" difference. For mountain bikes you will require somewhere around 3 inches.
Your main priority is the physical fit of your bike. If you intend to use your bike a lot, perhaps as your main method of transport, it is important you keep this in mind. Comfort and saftey are the two most important aspects of riding a bike.