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