Precision pumping meets CO2 speed. The Pocket Drive CO2 is your all-in-one bike hand pump. Super compact, ultra-light and ready for any roadside fix. Super compact, machined aluminum bike hand pump with integrated CO2 chuck CO2 chuck cleanly threads on/off hand pump for instant inflation Extremely lightweight and stylistically modern system Highly efficient pump with overlapping handle and knurled barrel Completely rebuildable for long-lasting use Press-fit design is Presta valve and Schrader valve compatible Presta and Schrader compatible flex hose stores inside pump Composite Matrix mount cleanly mounts under bottle cage Mount securely holds bike hand pump and two 16g or 20g CO2 cartridges Includes Velcro strap for optional tube storage Includes 1x 16G CO2 Cartridge SPECS: Material: Aluminum & Composite Matrix Weight: 120g Dimensions: 170mm, 33mm, 23mm Maximum PSI: 160psi | 11.0bar Features: High Pressure Chuck: ABS Flex Hose | Presta / Schrader Pump Type: High Pressure