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The Complete Guide To Rear Derailleurs

Rear derailleurs, often referred to as ‘rear mechs,’ shift your chain across the different sprockets in your cassette to achieve higher or lower gears. They are spring-loaded to take up slack in the chain, improving shifting efficiency and helping you spin faster and get more power out of each pedal stroke! The rear derailleur, or rear mech, is a crucial component of any bike with more than one sprocket in the back. It facilitates shifting between these sprockets, helping you spin up hills with ease and putting some power down on flats. The cage of a rear mech holds two... View Article