Bike derailleurs we recommend. Best of the best: Campagnolo’s CPY Record FD-15 11S Derailleur. Our take: The Campagnolo front derailleur is ideal for experienced cyclists who want to shift ...

Bike derailleurs we recommend. Best of the best: Campagnolo’s CPY Record FD-15 11S Derailleur. Our take: The Campagnolo front derailleur is ideal for experienced cyclists who want to shift ...

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 ...

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 ...

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 ...

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 ...

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 ...

A derailleur system shifts the chain between the cluster of sprockets in the cassette (Image credit: Will Jones). The majority of bikes use a derailleur gear system. This comprises a series of ...

Buying a high-quality 10-speed mountain bike derailleur from a decade ago, say, a Shimano Deore XT RD-M786 SGS, doesn't actually cost any more than what you'd spend on eBay buying a Deore XT rear ...

The rear derailleur is one of the most fragile components on a mountain bike, subject to getting bent or jammed up with trail debris. That's where the Supre Drive drivetrain comes in, as it moves ...