Electric bicycles may require less pedaling effort than regular bikes, but … their riders still have to shift gears. Paris-based electric mobility company Valeo is out to change that, by combining a ...

Internally geared transmissions are clearly the next big thing in the e-bike world. We’re seeing more and more performance-oriented electric bicycles ditching the good old derailleur system in favor ...

There’s a treasure trove of usefulness inside of an electric drill. [Steven Dufresne], Hackaday writer and the mad scientist behind Rimstar.org, kindly documented how to safely and reliably remove the ...

Many ebikes sport a derailleur hanging out back to giver riders more flexibility than single-speeders. There are exceptions that combine gears with the motor, such as Pinion and Valeo. And now there's ...

Affordable brushless motors are great for a variety of motion applications, but often require a gearbox to tame their speed. [Michael Rechtin] decided to try his hand at designing a stackable ...