Friction-drives have been around for more than 100 years. Today, we're seeing a new generation of modern friction-drives emerge that make it easy and affordable to convert your traditional bike into a ...

TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print archive, before the start of online ...

The Pikaboost electric bike conversion kit is back, this time with an even lighter version. The new Pikeboost 2 Lite was shown off last week as a more minimalist version of the popular friction drive ...

Here on Hackaday, too often do we turn our heads and gaze at the novelty of 3D printing functional devices. It’s easy to forget that other techniques for assembling functional prototypes exist. Here, ...

Electric bikes have increased in popularity dramatically over the past few years, and while you can easily buy one from a reputable bicycle manufacturer, most of us around here might be inclined to at ...

While most electric bicycle conversion kits generally look fairly monotonous, the Clip offers an entirely new aesthetic. Inside the novel unicorn horn–lookin’ e-bike kit though is a cleverly concealed ...

Friction drives like the Rubbee provide a lighter, simpler option for transforming a regular bicycle into an e-bike. Velogical's all-new Velospeeder makes the friction drive even lighter. The compact ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...