What happens when an engineer designs a mountain bike derailleur without limitations? A truly gorgeous example of shifting.

I’d like to add drop bars and narrower tires to my Niner hardtail to bodge a gravel bike rather than spend for an entire new bicycle. The Air9 RDO currently runs a 2 x SRAM XO ten-speed drivetrain. My ...

To say I was skeptical when Archer Components sent me its D1x Trail programmable shifter to try out is the understatement of the year — or at least the month. In truth, the small white box sat on my ...

Earlence Fernandes is a computer science professor at UC San Diego. He’s also a cycling geek. He stands next to his bike at UCSD’s computer science building and tells how he commutes to work on his ...