If you have held the A1 or A2 driving license for at least 2 years, passing the practical test is sufficient to obtain the extension from A1 to A2 or from A2 to A (advancement). A theoretical test is not necessary.

The class A1 driving license entitles you to drive motorcycles (also with sidecars) with a cubic capacity of up to 125 cubic centimeters, an engine power of no more than 11 kW, where the ratio of power to weight does not exceed 0.1 kW/kg, and three-wheeled motor vehicles with symmetrically arranged wheels and a cubic capacity of more than 50 cubic centimeters for internal combustion engines or a maximum design speed of more than 45 km/h and with a power of up to 15 kW.

The class A2 driving license entitles you to drive motorcycles (including those with sidecars) with a maximum engine power of 35 kW and a power-to-weight ratio of no more than 0.2 kW/kg that are not derived from a motorcycle with an engine power of more than 70 kW. With the class A2, the classes A1 and AM are included.

The class A driving license entitles you to drive motorcycles (including those with sidecars) with an engine capacity of more than 50 cubic centimeters or with a maximum speed determined by the design of more than 45 km/h and three-wheeled motor vehicles with a power output of more than 15 kW and three-wheeled motor vehicles with symmetrically arranged wheels and an engine capacity of more than 50 cubic centimeters for internal combustion engines or a maximum speed determined by the design of more than 45 km/h and with a power output of more than 15 kW.