Topeak Joe Blow Mountain Floor Pump The Topeak Joe Blow Mountain pump is specifically designed for high volume mountain bike tires. The Massive 44mm diameter barrel pushes the maximum amount of air with each stroke in order to quickly inflate the larger mountain bike tires. Topeak Twin Head technology allows the same pump to work with either Presta or Schrader valves. The air release button allows you to fine-tune the air pressure in the tire to suit the demands of the trail. Features Designed for MTB tiresup to 60 PSITwin Headfeatures both Presta and Schrader valve compatibility44mm Aluminum barrel for durability | Topeak | Joe Blow Mountain Floor Pump Black
