The M Part Primo floor pump is well suited to both high pressure road bikes & high volume MTB & gravel bike inflation all in one pump. Top mounted 2.5 dual scale gauge for easy reading & displaying low & high pressure 0-40 PSI zone features 1 digit increments for faster & accurate inflation on wider gravel or MTB tyres & where precision is required at lower pressures 40-160 PSI zone suited for road tyre inflation Durable aluminium barrel Large steel base for stability Ergonomic soft touch ovalised composite handle Auto-select head with thumb lock for easy use on Presta & Schrader valves No need to reverse any internals when switching between valves Ideal for home workshop or trail use Suitable for all bikes Inflates to 40/160 PSI Height 66cm