The SKS Airkompressor has been regarded as a solid workhorse for years - now it is available with Schwalbe's Clik-Valve pump head. In the practical test, the floor pump scored points with its precise, easy-to-read pressure gauge and very convenient valve operation, but revealed weaknesses in the base and material feel. The detailed test shows where the SKS impresses and why it is still not enough for the top group.