FXD 41 mm WIDE-GLIDE - Accutronix Triple Tree Sets include the top tree, bottom tree, stem, stem nut, and fork stops. Accutronix Triple Tree sets come with installation instructions and mounting hardware as required. These Triple Tree sets are machined from 6061 T-6 Billet Aluminum and come in a variety of finishes including Chrome, Polished and Solid Black Anodized. (Chrome and Black are special order and will take 4-6weeks to ship)