The Hutchinson Python NG tires feature a central tread with short linked knobs for low rolling resistance and profile delivers the best mix of performance and grip.127 tpi casingTires fit Mavic UST wheelsetsSuggested installation using Hutchinson Fast-Air latex for best results. Use of any other sealant voids warrantyPython Tubeless Light mantains output, air tightness, and security while reducing tire weight by 15%Python NG has a central tread with short linked knobs for low rolling resistanceMRC - Medium compound specially designed to increase grip for greater controlPython Tubeless Light mantains output, air tightness, and security while reducing tire weight by 15%Suggested installation using Hutchinson Fast-Air latex for best results. Use of any other sealant voids warrantyTires fit Mavic UST wheelsets127 tpi casingItem SpecificationsWeight625gPSI29-58PSITire BeadUST FoldingISO Diameter559 / 26" mtnISO Width50mmLabeled Size2Color Tread/SideBlack/BlackTire TypeTubeless CompatibleTire Diameter26"Tire UseMountainDefined ColorBlack