-Made with Super-Therm heat-treated chromoly tubing the list of features include a dent resistant tear drop downtube, removable brake mounts, new integrated headset headtube with engraved s3.5 logo, Mid BB shell, tapered and swaged seat stays, wider chain stays for added clearance with use of large tires, micro heat-treated dropouts and an integrated post clamp. Mid BB kit and internal headset sold seperately. Weight: 4.2lbs..