Wheels, SS (split spoke) 3.8'' (satin) (2) (fits Revo/Maxx series). Split-Spoke 3.8" wheels for Revo & Maxx trucks add another dimension of style and performance. Available in black-chrome, mirror-chrome and satin finish, Traxxas Split-Spoke wheels don’t just look amazing; they are fully functional for a race track or a bash session. Split-Spoke wheels have a natural nylon bead for fast, easy tire gluing. The horizontal bead helps grab the tire, reducing the stress placed on the glue joint by tire expansion.