Turn Your Bike into an Electric Bicycle in SECONDS (w/ video)

The Rubbee electric bicycle conversion works by quickly attaching itself to your bike’s seat post with a spinning plastic wheel that “rubs” against your bicycle’s back tire, propelling you forward. It’s not quite as effective or efficient as a hub motor, but with a pricetag of just $1000 and nearly universal compatibility it might just be a winner.

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