The SKS Aircon 6.0 is the ideal pump for high volume mountain bike tires and trekking cyclists. Get your high volume tires up to pressure quicker and easier with the SKS Aircon 6.0’s larger volume barrel. An 80mm large pressure gauge keeps your tires pressure accurate. SKS provides the Aircon 6.0 with a presta/schrader compatible valve. The 87 psi max is not ideal with high pressure road tires. For road tires.