Crank Brothers Power pump is an amazing single-stroke, dual-piston mini-pump can quickly reach up to 100 p.s.i, yet is small enough to fit in your jersey pocket.
This amazing single-stroke, dual-piston mini-pump can quickly reach up to 100 p.s.i, yet is small enough to fit in your jersey pocket. Can be set for high volume or high pressure. Works with Presta or Schrader valves.