How Do Bike Gears Work? | Mountain Bike Derailleur Explained

A derailleur sometimes referred to as a 'rear mech' is the part of a bicycle gearing system that shifts the chain from one sprocket to another sprocket. There are many different models available for mountain bikes and most of them share similar features. In this video, Anna explains how they work and what features you may expect to see.

⏱ Timestamps ⏱
00:00 - Intro
00:26 - What is a derailleur?
01:15 - How do derailleurs work?
03:36 - What do limit screws do?
05:50 - What is a B-Tension screw for?
06:45 - What does a clutch mech do?
08:05 - What about electric gears?
09:42 - What is the future of derailleurs?

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