Birzman Velocity Apogee Road RG Mini Pump with Gauge, Silver Hose and head is concealed within the 21mm diameter pump barrel to create a small, 190mm long package that fits in a jersey pocket Includes a pump carrier and bolts that fits under water bottle cages Snap-It Apogee valve quickly and gently engages presta valves preventing damage to valve core or valve extenders Swap between Presta and Schrader simply by sliding the Snap-It apogee collar back and forth Max PSI: 160