Lezyne Pocket Drive The Pocket Drive is an amazingly compact and lightweight bicycle hand pump featuring plenty of pumping efficiency. It's constructed from durable CNC machined Aluminium and has a handle that's lightly knurled for slip resistant operation. With its overlapping handle and integrated ABS Flex Hose, it's a Lezyne hand pump which offers performance unmatched for its size. This road bike hand pump is Presta and Schrader valve compatible, and it's completely rebuildable for continued use at a high level.