Your bicycle needs two derailleurs so your bicycle chain can move from one sprocket to the other. There are 2 kinds of bicycle derailleurs-the front gear and the rear gear. The former controls the bicycle gear to shift the front chain rings of your bike, while the latter controls the changes in your bicycle's rear gears or cassette. There are only subtle differences in bicycle derailleurs; they have similar function of switching the bicycle chain from one chainring to the next. Also, it will switch the chain from one gear to another on the bicycle cassette. Below are tips and guides on how to choose bicycle derailleurs.

Understand all you can about derailleurs. Buying derailleurs might confuse you because there are technical aspects to learn like finding the specific measurements that will suit your bicycle. Refer on your drivetrain to select the derailleur that you need. Drivetrain is the bicycle part that makes your bike run. Determine the tooth capacity ... Read more »