When you securely attach "hidden motor" to the road bike, it looks like this - GIGAZINE
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EB18: eBike Trends - Mismatched wheels, hidden batteries & here come the cars - Bikerumor
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Ares Aero is an ultralight, aero road e-bike you won't believe has a motor - Bikerumor
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Electric Road Bike | Story Electric Bikes - Chapter 2 – Story Bikes
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