If you're heading out on the trails, make sure you take the Spin Doctor Rescue Pro HV Mini-Pump with you. This high volume mini-pump is optimized for inflation of mountain bike tires plus features a telescoping hose for easier inflation. A hi-Q Twin Valve
• CNC machined aluminum
• Hi-Q Twin valve easily converts to fit Presta or Schrader valves
• Telescoping hose
• Max pressure - 80 psi
• On header card