The Air Tool Road is a minimalistic frame pump that provides efficiency and reliability for high-pressure road tires. - All new, inverted double chamber design increases the air handling capacity by 25% compared to our previous design, reducing pumping time by up to two minutes. - Presta-only head keeps size and weight to a minimum while the dust cover keeps the insides clean. - Machined outer barrel for extra grip while pumping.. - All-aluminum inner and outer chamber for durable performance. - Water bottle boss mount included. - Max pressure: 100 PSI (6.9 bar) - Volume-per-stroke: 60cc