The Lezyne Gauge Drive HV (High Volume) is a compact hand pump made from CNC milled aluminum for a lightweight construction. The HV design provides more air per stroke, making it suitable for larger tires such as those on a Mountain or Gravel bike. The Gauge Drive is equipped with Lezyne’s ABS Pen Gauge. The ABS Pen Gauge Hose is hose with an accurate, compact and built-in pressure gauge. This ABS Pen Gauge Hose can be used with Presta and Schrader valves.

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Not sure what the difference is between an HP or an HV pump? Then click on this link and read the explanation!