Extreme Sports Factor X Grindspine

Features an interlocking surface that lets you double its size, a coping rail for advanced tricks and a 5-foot radius spiral curve for higher jumping

For use with skateboards, BMX bikes and aggressive inline skates High-impact, injection-molded construction Lightweight, portable and easy to store Recommended for ages 10 and up 200 pounds maximum weight 2-inch diameter, 16-gauge galvanized stell coping rail 6.5-foot-long with 22-inch vertical height 5-foot radius transition curve for greater vertical jumping height Nonslip footing provides the ultimate stability for aggressive tricks Dimensions: 77" x 42" x 22"