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 ...

It’s the end of another week at BikeRadar HQ and as usual, a carousel of news stories presented an appetising menu. We opened the week with senior technical writer Simon von Bromley spotting a new ...

The Earth is not flat, and neither are many cycling trails. One of the major appeals of a modern mountain or racing bike is its ability to shift gears based on the terrain. Riders can choose a higher ...

Does your chain skip between gears when you pedal, phantom shift, shift twice instead of once, or refuse to shift when you need it to? Abby Hippley, mechanic, bike builder, and former demo driver for ...