-Built with heat-treated butted chromoly tubing, U-brake mounts on the seat stays, fluted seat tube with integrated post clamp, small dropouts, internal headset head tube with removable gyro tabs, Spanish BB shell and gussetted down tube/headtube junction. Built tough for street abuse without weighing alot. Weight: 5.2 lbs.(20.6”). Headset and Spanish bottom bracket sold seperately.