The Hutchinson Atom features a uniform rubber tread, chosen to satisfy both lightweight and performance, and a slick type competition profile that performs very fast. Suggested installation using Hutchinson FastAir latex for best results. Use of any other sealant voids warranty Road tubeless tire designed specifically for use with Shimano DuraAce SL road tubeless wheelset Lower pressure design 8090 psi recommended increases riding performance and efficiency by 20 over tradition