Our High Volume Boundary 1.5HV pump is designed for mountain bikers who need larger delivery of air for big tyres. An extendable head means it's easier to pump and the sealing lever doubles as a protective cover to keep it functioning no matter the conditions under tire.
Alloy barrel and handle
Extractable, reversible Presta/Schrader, with sealing lever
70PSI / 4.8 bar
Small 98g approx.
Medium 115g approx.