Since I already had a set of 15x7 cop wheels, the final decision was made to switch out the rear axles ... go so far as to convert those to disc from an aftermarket supplier like Stainless Steel ...

Go-karts are awesome ... which is mated to a pulley on the rear axle. The pair fabricated an idler pulley with e-brake linkage to make it all work. Tightening the belt moves the kart forward ...

and the rear axle comes from a post hole digger. Power comes from the Predator gasoline engine, which seems to be a favourite among these channels. The result is a basic but serviceable go-kart ...

With 5.5-inches of ground clearance, a solid stick rear axle, and front trailing arms, it's hardly imbued with the most sophisticated off-road equipment, but it's small and nimble and light weight ...

It can still be a Ferrari—or at least, a half-scale replica of one, like this rare Italian racing kart ... rear axle. Like its full-scale muse, La Ferrarina also features inboard rear disc ...