With most of the bikes today, people tend to get confused on how exactly they should use their gears. Inexperienced or new bicycle riders can easily become confused with all the gears that are available. A bike that's being advertised as 21 speeds may be deceiving to some.
In this tutorial, you'll find out how to properly shift your bicycle's gears. Not only wil you prevent any kind of damage, but it will also give you a chance to use your gears effectively. Enjoy!