-Made with hardened chromoly tubing throughout. Featuring a butted down tube, D shaped chainstays, integrated post clamp, Spanish bb shell, externally machined internal headset head tube with removable tabs and inverted seat stay brake mounts. The brake cable can be run through or around the seat tube and the small dropouts have relief holes to further reduce weight. Weight: 4.75lbs. Internal headset, gyro tabs and Spanish BB sold seperately.