Bike Chains & Derailleurs workshop — Join REI’s expert bike techs for a workshop on how to care for and maintain derailleurs and bike chains. We’ll tune derailleurs, adjust barrel adjusters and ...

My bike’s profile in the app. One of the cool things about having a good friend or a partner with a different knowledge set than you is that it gives you access to expertise without having to be an ...

Rivian's Also TM-B e-bike uses pedal-by-wire technology to eliminate chains and gears, offering 60-100 mile range starting at ...

Ford Motor Company has registered a US patent for what it calls a ‘bicycle derailleur apparatus for controlling bicycle speed’, and it is a genuinely intriguing idea that was first reported by ...