One of the reasons bicycle maintenance can be so rewarding is that usually if you stare at a component long enough you can work out how it works. The rear derailleur is no different in this regard, ...

Derailleurs are the transmission of your bike. When you shift, they guide the chain to the correct gears. Whether you’re fixing a particular problem with your chain or simply giving the system a ...

There have been countless innovations to the rear derailleur over the years. These have included compatibility with an ever-increasing number of sprockets, the introduction of indexed shifting, STI ...