Bias bar Brake scale. A welding sleeve comes with this brake scale in case you wish to weld in the original pedal rack. Common when you only want to access the brake balance function with are satisfied with your original pedal rack. This brake balance also fits in all pedal racks and brake boxes. Also included are plastic washers that are mounted between the fork links and pedal. These plastic washers prevent the aluminum forks from wearing down against the metal in the pedal. Thread on brake scale: 7/16 -20 Thread against brake cylinders 5/16 -24 Measure: 32mm diameter 35mm long