1950s Original POWERBIKE Motor Kit Sales Brochure Balloon Tire Bike DON L FOX! "For further particulars, write DON L. FOX SALES COMPANY 216 Randolph Street DETROIT 26, MICHIGAN." Super cool small four page fold out sales brochure! This unusual looking motorized add-on wheel kit looks well engineered in fact! 6 1/4" x 3 1/2" closed. Very good original condition, uncommon.
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