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The Zoom Bicycles Jet Stealth 80cc Bicycle Engine Kit, for weak-limbed environmentalists - Tech Digest
If you've ever been caught out on your bike, riding into the wind, up a slight hill, almost in tears at how hard it is and WISHING with all your might that someone would invent a little engine to help you out at times like this, you're in luck - here's a little engine to help you out at times like that. The Zoom Bicycles DIY engine enhancement kits come with anything from a 49cc to an 80cc engine to pop onto your bike yourself and eliminate all that tiresome pedalling, but the catch is the weight - the motor adds around 19lbs (8.6 kilos to you Euro-people) to the weight of your bike...