Bike handlebars are an important part of your bikes make up. Without them, you wouldn't be able turn your bike to the right or the left. Their shape can determine the position you ride in, so if you are uncomfortable while you ride, you should consider replacing them. There are different bike handlebars you can use for different purposes. There's one type for leisure riding, and another for racing. While you're at it, why not buy a loud bike bell to your bike handlebars? That way, you'll be able to alert walkers that you are approaching them so they can move out of your way.