Upgraded Design and Materials - Bicycle Pump The inner and outer tubes are made of high-strength steel, which is more wear-resistant and has a smooth surface. And the portable air pump's rubber tube is detachable, freeze-proof and high-temperature resistance, wider and thicker pump base, non-slip, easier to inflate quicklyPrecisely designed with a pump head premium easy dual indicator fits both Shrader and Presta valves, so you get fast, accurate, and reliable inflation before a race or workout; Ideal for race teams, international competitions and cross-country toursErgonomic design - Ergonomically designed comfortable handle, Floor pump with easy-to-read pressure gauge, Maximum high pressure capacity of 174 PSI / 12 bar, the Accurate air pressure can be displayed when inflated, making it easy to view and adjust to the correct pressure to avoid accidents. Tire Punctures Powerful & Multi-Function - Includes Multi-Function Adaptor, 4 Metal Needles, 2 Conical Nozzles, can inflate wide mountain, BMX and kids tires as well as thinner, high pressure tires than the found on road and commuter bikes, electric vehicles, motorcycles, air cushion, swimming ring, basketball, football, air mattress and all inflatable ball toys.Warranty: are committed to provide excellent customer service with our UNCONDITIONAL Free Replacement or Money back guarantee for a period of 10 years