The “Copenhagen Wheel” is designed to help give riders a boost up steep hills like in San Francisco. Cyclists still have to pedal to get the extra thrust.

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The “Copenhagen Wheel” is designed to help give riders a boost up steep hills like in San Francisco. Cyclists still have to pedal to get the extra thrust.
The “Copenhagen Wheel” is designed to help give riders a boost up steep hills like in San Francisco. Cyclists still have to pedal to get the extra thrust.
Credit: Courtesy of Superpedestrian
The “Copenhagen Wheel” is designed to help give riders a boost up steep hills like in San Francisco. Cyclists still have to pedal to get the extra thrust.