evo.com | Blackburn Mini Pumps > The Blackburn Mammoth CO2 Mini Pump gives you the best of both worlds-high-volume manual pumping for those chunky gravel tires, plus CO2 capability when you need instant gratification. This dual-threat beauty rocks a premium dual anodized finish and an adaptive head that seamlessly switches between pumping modes depending on your needs. Air-Bleed Button For fine tuned control over tire pressure. Aluminum Construction A lightweight and tough material for extra durability. Flexible Hose A pull-out hose allows for more flexibility in your pump orientation and takes stress off the valve stem. 24.5 x 180mm Any Valve Pump Head | Blackburn Mammoth CO2 Mini Pump 2026 | Aluminum