-This is Edwin's signature machine without brake mounts. Built with a thicker down tube that has been ovalized to be more durable for the streets. The chainstays have also been ovalized and heat-treated to resist dents. Other standard features are the internal headset compatible headtube and press fit Mid botton bracket shell, integrated post clamp and heat-treated 1/4" thick 14mm dropouts. Mid BB kit and internal headset sold seperately. Weight 5.5lbs..