The lezyne sport floor drive dv is a steel barreled floor pump with a molded composite matrix base featuring a large 25inch pressure gauge you can easily read how much pressure you are pumping into your tires with a max pressure of 220psi you are able to inflate all of your bikes tires the hose of the pump is flexible and also 44ft in length which makes pumping tires whilst your bikes in a workstand easy as pie the dual valve pump head allows you to inflate tubes with presta or schrader