For 11 years now, German company Pinion's sealed mid-mount gearbox has offered a tougher alternative to derailleurs. It's now been combined with a motor, resulting in a two-in-one ebike module ...

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 ...

Paris-based electric mobility company Valeo is out to change that, by combining a motor with an automatic gearbox. Officially called the Valeo Smart e-Bike System, the bottom bracket-located setup ...