The SMITHS Chronometric D Shape Speedometer is a vintage part designed for street motorcycles, featuring a black metal and steel construction with a white needle for easy reading. This analog speedometer gauge from the United States has a manufacturer warranty of 1 month and is a performance part that is ideal for Ariel, BSA, Norton, and Triumph motorcycles. With a superseded part number of NAA, this speedometer is a must-have for motorcycle enthusiasts looking to upgrade their classic bike with a reliable and authentic component.