One Wheel Motorcycle 1931
Oct. 6, 2024
Monowheel - Wikipedia The Kiddies' Motor Wheel! (1927) Swiss engineer Mr. Gerdes astride/inside his one-wheel motorcycle ... One Wheel Motorcycle 1931
Oct. 6, 2024
Monowheel - Wikipedia The Kiddies' Motor Wheel! (1927) Swiss engineer Mr. Gerdes astride/inside his one-wheel motorcycle ... One Wheel Motorcycle 1931