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, ...

In May, I went for a ride on the Mount Tam trails in Marin County, California, with Grant Petersen, the founder and owner of Rivendell Bicycle Works, and his buddy Dan Leto. It was a warm and sunny ...

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 ...

They slipped it under our noses inside an April Fool’s tease, but the UK-made Ratio Mech mechanical rear derailleur is real. And it’s coming ...