“SUPER-LITE backers. The “SUPER-LITE backer is designed for the rider who is looking for lightweight stud support. These backers are made from engineered polymers, they are lighter than aluminum, while still maintaining excellent strength. “SUPER-LITE backers are available in three styles and seven colors “SUPER-LITE double backer is used for standard tracks using standard studs only with a head size 1 or smaller. 1.250 x 2.250 with 1 hole spacing “SUPER-LITE + PLUS single backer is a larger 1.450 square backer to be used on all tracks (including single ply) with any Stud Boy 5/16 carbide studs or +Plus type studs “SUPER-LITE + PLUS double backer is for the new Single Ply tracks using studs with large heads like Stud Boys “Power Point + Plus stud or standard studs. 1.450 x 2.562 with 1.160 hole spacing