Description: Made of premium butyl rubber. It has the advantages of good sealing performance, ozone resistance, aging resistance, shock absorption, and electrical insulation.聽Replacement tires ensure better shock absorption and enhance the riding experience.聽Your safety and comfort is our primary concern. Compatibility锛?/strong> 26" x 1.95" Tire: Cityscape, Race20" x 4" Fat Tire: Mars, Ranger27.5''x1.95''Tire:聽 Race Max26''x4'' Fat Tire: Explore Note:聽When replacing a bike's inner tube, be sure to add a little air before installing it. This way it won't twist or curl, which can lead to pinch flats. And Inspect for an even bead of the tire to the rim on both sides.