Topeak Joe Blow Ace DX Floor pump Analog PV/SV 260psi 29.1` Aluminum BlackAward winning 3 stage pump: stage 1 uses both barrels to hit 60psi with little effort, stage 2 uses the large barrel to reach 120psi, stage 3 uses the small barrel to reach up to 260psi Aluminum barrel with rubber coated aluminum base, padded handle Features SmartHead DX1 full metal pump head with extra long hose and longer head lever to make use easier Includes ball bladder needles and Dunlop valve adapter TECH SPECS barrel material aluminum max psi