... 2.Material:Special Aluminium Alloy 3,Colorful Feature of TPMS TR525 TUBELESS TIRE VALVE :1. Harder,Lighter,more Fasion than Traditional ... .productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); TPMS Sensor Tire Valve for TR525 of Aluminium Alloy