The Pocket Drive is an amazingly compact and lightweight bike hand pump that's small on size but still manages to dish out plenty of pumping efficiency. Its constructed from durable CNC-machined aluminum and has a handle thats lightly knurled for slip-resistant operation. With its overlapping handle and integrated ABS Flex Hose, the Pocket Drive offers unmatched performance for its size. The pump is Presta and Schrader valve compatible, and its completely rebuildable for years of worry-free use.