Snap-It Apogee Valve - Winner of the Taipei Cycle Design & Innovation AwardsSimplicity-One simple shift of the collar to alternate between Presta and SchraderSecurity-An instant, secure engagement means no blow-offs at high pressuresPeace of Mind-No pull-outs or damage to the valve corePrecision and Versatility-Air-Lock ensures no air loss and enables use on front fork suspensionAvailable for both road and MTB:Road:CNC Alloy construction160 psi max pressure rating is perfect for Road.Compact stowable design with mounting bracket included.Dual Function chuck is compatible with both Presta and Schrader Valve types.Size: 25.5x2.5cmMTB:This pump is MTB specific and designed to move larger volumes of air, faster.CNC Alloy construction.90 psi max pressure rating is perfect for MTB.Compact stowable design with mounting bracket included.Dual Function chuck is compatible with both Presta and Schrader Valve types.Size: 25.5x3.2cm