Engine: Air-cooled, single-cylinder, 4-stroke
Power Rating: 1-1/2hp
Fuel System: Single carburetor
Transmission: Centrifugal clutch
Brakes: Coaster rear
Weight: Approx. 135lb
Top Speed: 25mph
The Saginaw “Powerbike” motorized attachment was adaptable to virtually any bicycle, and could be purchased from Sears, Roebuck & Co. Post World War II there were many similar attachments on the market, the most successful being the Whizzer, as it had the looks and feel of a conventional motorcycle.