Topeak Air Booster G2 Co2 Inflator Groupe It's built around the advanced

It's built around the advanced SmartEVO² compound

changes while you pedal so you are always in the right gear

Without a connected power meter

All aluminum construction

Topeak Air Booster G2 Co2 Inflator Groupe It's built around the advancedThe worlds first CO2 inflator with tire gauge provides tire inflation and tire pressure measurement. The angled head fits Presta and Schrader valves and a special feature allows the user to adjust the flow while filling the tire. Dual end design allows for cartridge storage. * CO2 cartridges not included Features Dual end design allows cartridge storage for 1 threaded 16g 25g CO2 cartridge Specifications Head: Presta Schrader with integrated dust cap,