evo.com | Crank Brothers Floor Pumps > After switching your trail pump over the CB's super convenient and easy to use Gem style pumps, you've likely found yourself wishing you had a similarly featured floor pump too. Well, consider the Crank Brothers Gem Floor Pump the answer to your prayers. With both High Volume and High Pressure settings, a universally compatible head, and a large, accurate gauge, the Crank Brothers Gem Floor Pump is bound to become a staple in the arsenal of any self-respecting cyclist. Large Analog Guage High Volume Setting In the High Volume setting, the pump will push larger amounts of air through the tube with each stroke. This setting is ideal for mountain bikes or tires that have a higher volume capacity (i.e. 2.0" - 3.0" tires). Aluminum Air Chamber Universal Head For Presta or Schrader valves. Plastic Base | Crank Brothers Gem Floor Pump 2025 in Black | Aluminum/Plastic