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 ...

The existing Pinion system isn't without its issues though, most of which were due to having to use a double cable ... the Euroboke show – the MGU (Motor Gear Unit). It's a new e-bike motor ...

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 ...

"In the usual case, you would put the e-motor between the engine output and the input of the gearbox," Lamborghini CTO Roven Mohr told Road & Track. "We decided not to go in this direction.

When high torque, a tight design, and always-reliable gear motors are required, worm gear motors rise to the top. Such systems are effective in many cases, such as a worm gear motor for robotics ...