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 ...

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 the ...

For the overwhelming majority of bicycles out there that feature multiple gears, switching between these is done purely mechanically, with a cable. Generally this uses a derailleur, which forms part ...