The first thing I noticed on my recent trip to California was the explosion of e-bikes. They zipped past me on a boardwalk along the ocean. The number of e-bike sales are about double the number of ...
CNET: The Rubbee on Kickstarter is a clever take on the concept of electric bike conversion kits. A friction wheel sits on the back tire while a built-in electric motor turns it, giving you up to a 15 ...
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