Crank Brothers Gem Hand Pump Crank Brothers is known for making high quality and innovative products. Their tools and pumps are no exception. The Gem Pump is great for both mountain and road, featuring a head that can be converted for either schrader or presta valves. All Crankbrother pumps feature a patented high volume/ high pressure switch for easy inflation. With a max pressure of 100 PSI, you can dial in your desired PSI with no problem. Features Length: 176 mm Weight: 131 g Max PSI: 100 psi Warranty: 5 Year through Crank Brothers | Crankbrothers | Gem Hand Pump - Midnight Edition Midnight Black