Lezyne alloy over drive abs2 floor pump the lezyne alloy over drive abs2 floor pump a high volume aluminium floor pumpthe high volume maximum flow design efficiently inflates large diameter tires and can quickly seats tubeless setupsthe large 25in display is optimized for low pressure fine tuningcomes complete with lezynes innovative abs2 chuck that quickly and securely fastens to presta and schrader valvesthe extra long high strength hose with aluminum couplers complete the pumpmax pressu