The rear derailleur is like a World Tour Team’s strongest domestique: one of the hardest working, but rarely appreciated parts of the overall equation. Few of us really appreciate how integral the ...

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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Readers familiar with Shimano's Shadow Plus mountain bike derailleurs will recognize the ...

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 ...