The most reliable means for changing shaft speed remains a mechanical variable-speed transmission. These drives are used to provide a variable output speed from a constant-speed power source (as in a ...

Welcome to SHIFT Basics, a collection of tips, explainers, guides, and advice to keep you up to speed with mobility tech. One of the most important choices you need to make when buying an ebike is ...

Electric bicycles are becoming increasingly popular forms of two-wheeled electric transportation for both commuting and pleasure riding. The two most common electric motor styles used in today’s ...

Remember that time 14 months ago when French company Valeo announced the development of a new electric bicycle mid-drive system that included a built-in automatic transmission? Electrek remembers. And ...

Engineers at Stober Drives Inc., Maysville, Ky., have added two smaller sizes to the company’s line of Servo-Fit PHQ gear units. The PHQ gears feature a four-planet design that handles high torque ...

Eurobike 2025 is really shaping up to be the ultimate launchpad for tiny ebike motors. We've already seen the high-torquing TQ HPR60 and the magnetically geared Star Union MGM that will be pitched at ...

Rivian’s Dual-Motor layout consolidates two motors into one single-motor drive unit for each axle, a strategy intended to reduce weight while reaching a wider audience at a lower price point. The cost ...