The Casalini Sulky was a three-wheel vehicle that was made for people without a driving license and it had an engine with less than 50cc.
The first Sulky was produced in large quantities exceeding 10,000 units.
A self-supporting body sheet housed the driver and a generous trunk. Large 12-inch wheels and a 2-stroke engine( 50 or 60cc) were fitted. A 3-speed gearbox sent power to the two rear wheels. A single front wheel whose rotational movement gave the driver steering wheel, through a steering wheel.
The Casalini Sulky II was a four-wheeled version of the Sulky.