BikeHard Challenger HP Mini PumpThe BikeHard Pump'R HP Mini is a small and lightweight pump which functions as with surprising power for such a small pump. Measuring in at 7.5 inches and weighing in at 110 grams, this lazer etched, cnc machined mini pump has been designed to provide superior pressure in a small light package. Dual-Action and telescoping power-pumping puts up to 120 PSI of air in your tires on both pushes and pulls. Simply push the valve head onto the valve and pull out the aluminum locking thumb lever to engage a secure airtight fit. A perfect match to any road, mountain, or city bike.850228007646