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 ...

Shimano appears to be developing a radical new rear derailleur, with a three-pulley design that could wave goodbye to clutch adjustment, according to a patent application filed by the Japanese brand.

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 ...

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, ...

Some readers will likely note Shimano already has clutch mountain bike derailleurs that can be paired with electronic shifting for 1x systems. With the new Ultegra RX derailleur, Shimano expands ...

The derailleur hanger may not be the most exciting component, but it performs a crucial function in keeping your gears shifting optimally and is designed to bend or break in an impact. In this guide, ...