Mini

Blackburn's CO2fer Mini-Pump is a cleverly designed and fully functional mini pump that allows a CO2 cartridge to stow away inside and that can be quickly rearranged as a CO2 inflator. - Mini pump designed specifically for mountain bikes with 50 psi maximum - Blackburn 16g threaded CO2 cartridge included - 191g / 0.42lbs

Compact and powerful, this dual-action pump helps you quickly pump up tires without breaking a sweat. The magic is in the dual-action design, which pumps air into a tire on both push and pull strokes. A great choice for road riders of all types. Details: - Dual stroke design pumps on both inward and outward strokes - AnyValve Pump Head - Tough, lightweight aluminum barrel - Ergonomic folding T-handle - Includes cage mount - 160 psi max pressure - 137g / 0.30lbs

If it was any lighter, you'd be walking home. This is the smallest pump you'll ever use that will still get your flat fixed and you on your way again. There are no extra features here. Just the bare minimum to get your tire back up.