Traxxas Wheelie Bar Assembled - Revos The accessory Revo wheelie bar assembly features a unique quick release design that is compatible with Revo trucks, nitro and electric. The wheelie bar assembly is easy to install for controlled wheelies on demand. Four snap-in adjustment positions allow you to choose how extreme you want your wheelie action to be. When it is time to head off-road, a convenient quick release tab makes removal and installation a snap. The wheelie bar mount is compatible with all factory Revo configurations including sway bars and wing mounts.