The 2015 PA model is the ultimate trails frame. Made from the finest seamless Japanese 4130 chromoly tubing that you can buy. Stiff, light, and dimensioned for boost and speed! The 2015 features built-in chain tensioners, a true hourglass head tube, oval down tube, mid BB, 6mm drop outs, integrated head set, 990 brake mounts, and double gussets. This one is made for the big ones that you can only find in Pennsylvania.