The Control Go mini pump series delivers high pressure or high volume air output, two-in-one hybrid manual and CO2 inflation functionality as well as an integrated gauge that measures tire pressure on the go. Features Two-in-one hybrid manual and CO2 inflation functionality combines a traditional hand operated mini-pump with a detachable Control Blast CO2 inflatorDual-chamber design delivers 35% more air volume than similar-size pumpsCompact and lightweight, stores easily in a jersey pocketIntegrated dust cap keeps pump head protected and cleanPresta valve only Specifications Maximum Pressure: 50psi / 3.4barDimensions: 200*25*25mmWeight: 90gHandle: PolymerBarrel: AluminumPump Head: Presta only with dust capAccessories: Mounting bracket