crank-brothers-gem-floor-pump
crank-brothers-gem-floor-pump, Crank Brothers Gem Floor pumps feature a high/low volume switch for efficient filling of both large and small volume tires.Foot activated high pressure / high volume switchWide stamped steel base for easy pumpingCorrosion resistant aluminum bodyPresta / schrader convertible headHidden needle adapter & plastic valve adapter160 psi / 11 barBar / psi analog gauge