USA: The 'Pedespeed' patented by American inventor Thomas L Luders, May 4 1869. Scientific American,...

The wheels of the 'pedespeed' measured 14 to 15 inches in diameter and were attached to a stirrup and foot bed by an appendage made of hickory. The appendages had metal plates fastened to them with short axles protruding from their centers which allowed the wheels to turn The stirrups were made of wooden strips about 3 inches wide and were bent to form a loop, at the bottom of which sat the foot bed. The foot bed had a toe strap and heel clasp to hold the rider’s foot in place. A second wooden strap was fitted to the top of the stirrup and was fastened around the rider’s calf.