Nitto Dynamic Stems are cold forged.<ul><li>Cold forged</li><li>Fits 1" threaded steerer tube</li><li>Quill Insertion Diameter: 22.2 for 1" steerers</li><li>46mm range from minimum insertion to max insertion; 73mm from minimum insertion to top of quill</li><li>Weight: 300.0 g approx.</li></ul>