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 ...

This modular series of precision-driven frameless motors and drive solutions combine high-torque frameless motors, IP-rated ...

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 ...

When designing a motor control circuit, it’s vital to determine how to deliver the high current required to drive the motor. Designers must choose whether to use monolithic integrated circuits (ICs) ...

Speed control of an AC motor requires a three phase supply that can vary both voltage and frequency. Such a supply creates a variable speed rotating field in the stator that allows the rotor to spin ...