Tracked Motorcycle

Tracked motorcycle in a museum at Menphis. http://lh6.ggpht.com/_TvXxmF-LsN0/S87u1pIdrtI/AGRc/nXufob3PscU/s640/Matkakuvat2010%20280.jpg

Stith Tracked Bicycle

Stith tracked bicycle, 1900. Popular Science, June 1944. Stith Tracked BicycleStith Tracked Bicycle (176.82 Ko)

Timbersled Aro 137 Kit

Timbersled Aro 137, kit for snow in Canada. These three kits/machines (see below) are totally changing backcountry access and snow travel, swiftly, in parallel and diverging from conventional snowmobiles. They all start with high-horsepower off-road motorcycles, and adapt them to snow travel. https://www.timbersled.com/fr-ca/snow-bikes/aro-137/, https://www.youtube.com/watch?v=upkAk06m7Dc

Mototrax Snow Kit on Honda

Mototrax snow kit on Honda, https://moto-trax.com/pages/mtx-factory-edition

Radix Snow Kit

Radix snow kit. http://www.ohgizmo.com/2009/02/05/radix-kit-turns-your-dirtbike-into-a-snowmobike/, http://radixpowersports.com/