Bontrager Air Support HP Pro

Extend the hidden hose on Bontrager's Air Support HP Pro pump, and thread it onto your Presta valve for secure inflation of your tires. Built with a smaller volume chamber for higher-pressure tires, this premium pump allows you to effortlessly inflate tires up to 120 psi. Available in two lengths: Long for more air per stroke, or Short for an easy fit into a jersey pocket.