You can find proof that a little number of two-wheeled equipment with rear treadle drives were being built in southwestern Scotland during the early 1840s. Kirkpatrick Macmillan, a blacksmith of Dumfriesshire, is most typically linked with these. He is alleged to have traveled 40 miles (64 km) to Glasgow in https://tedomarket.com/product/sports-entertainment/cycling/bicycle/mountain-bike/aluminum-alloy-steel-26-29-inches-wheel-sports-cycling-ride-adult-33-speed-variable-speed-mountain-bike-mtb-road-bicycle-men/