Pocket Drive Pro The Pocket Drive Pro HV is an amazingly compact and lightweight bike hand pump that's small on size but still manages to dish out plenty of pumping efficiency for high-volume tyres, such as those found on gravel and mountain bikes. Its fully constructed from durable CNC-machined aluminium and has a barrel thats lightly knurled for slip-resistant operation. With its overlapping handle and integrated ABS Flex Hose, the Pocket Drive Pro HV offers performance unmatched for its size. The hose also includes an integrated valve core tool. The pump is Presta and Schrader valve compatible and its completely rebuildable for years of worry-free use. Includes premium, Composite Matrix frame mount.