Proven tread pattern with tons of forward bit, molded with high traction rubber material, comes with light weight foam insert, great cornering consistency, low profile race proven design, universal 40 size, wheels made with tough nylon material, take advantage of the 23mm hex durability and reliability, 1/2″ offset, mounting width 3.4″, mounting diameter 3.8″ - Item# INT C22482ORANGE Barcode: 91789004170