The Pocket Drive is an amazingly compact and lightweight bicycle hand pump featuring plenty of pumping efficiency. Its constructed from durable CNC machined Aluminium and has a handle thats 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 its completely rebuildable for continued use at a high level.Key Features: Amazingly compact and lightweight. Durable CNC machined Aluminium. Lightly knurled for slip resistance. Integrated ABS Flex Hose. Presta and Schrader valve compatible. Completely rebuildable.