The m part primo floor pump is well suited to both high pressure road bikes and high volume MTB and gravel bike inflation all in one pumptop mounted 2.5"" dual scale gauge for easy reading and displaying low and high pressure0-40 psi zone features 1 digit increments for faster and accurate inflation on wider gravel or MTB tyres and where precision is required at lower pressures40-160 psi zone suited for road tyre inflationdurable aluminium barrellarge steel base for stabilityergonomic soft touch ovalised composite handleauto-select head with thumb lock for easy use on presta and schrader valvesno need to reverse any internals when switching between valvesideal for home, workshop or trail usesuitable for all bikesinflates to 40/160 psiheight 66cm