The Pocket Drive HV is an incredibly compact and lightweight high-volume bike hand pump featuring impressive pumping efficiency. Its constructed from durable CNC-machined aluminum and has a knurled barrel for slip-resistant operation. With its overlapping handle and integrated ABS Flex Hose the Pocket Drive provides unparalleled performance for its size. The pump is Presta and Schrader valve compatible and its completely rebuildable for long-lasting service.