Is it so easy to buy a new bike? Two wheels, a frame, a transmission, brakes - a common set, you can not bother. That's just confused in stores: a new model, modern technology, a fresh generation of attachments. Does it make sense to pay attention to this or is it not worth complicating everything - is it just a bicycle? Let's see what manufacturers offer us to ride on, and try to figure out what's new in these new products.