Team Losi Racing Mini-B Pre-Assembled Aluminum Shocks. Features all aluminum threaded bodies for fine-tuning, sealed oil-filled design for smooth damping action and fully pre-assembled, these optional shocks are intended for the TLR Mini-B platform as a drop-in performance upgrade giving racers an option to tremendously boost their Mini-B performance and handling capabilities! These shocks come pre-filled with oil and with a bleed screw design for easy on-the-fly tuning! Package includes two fully assembled shocks.