Track kit

A track kit for a vehicle (), having two track assemblies (′), each track assembly having an endless track (), a front idler wheel (), an intermediate support member () with at least one track engaging element (), a rear idler wheel (), a drive wheel (), at least one swing arm () and a shock absorber connecting assembly (), wherein the endless track () has an external side featuring ground lugs () for ground engagement and an internal side featuring drive lugs () for engagement with the drive wheel (), and the internal side is circumferentially trained around and in contact with the front idler wheel ().