GEWAGE CO2 Air Pump for Bicycle Tyres - CO2 Bicycle Pump Includes 4 Pack CO2 Capsules 16g with Thread and Compatible Presta & Schrader Valve for Mountain Bike and Road Bike. Silver

Easy to use: Co2 bicycle pump has reliable and simple control valve for precise adjustment, easy to use. Inflates in seconds and lets you ride again quickly.
Durable and lightweight: the pump head is made of a strong and durable aluminium alloy and alloy steel. Fits comfortably in a saddle bag, jersey pocket or backpack.
Compatible with all CO2 cartridges with thread: the filling head is suitable for all CO2 cartridges with thread (12 g, 16 g, 20 g and 25 g). Includes insulating sleeve (only for 16 g cartridges)
Fits both Presta and Schrader valves: CO2 inflator head fits Presta and Schrader valves, no valve head change required. The CNC machined aluminum control knob allows you to perfectly control the amount of CO2 you release into the bike tires.
Safety: Take sleeve will avoid freezing during use, we supply the CO2 bicycle pump including EVA cold protection.