This is the SWORKz factory replacement rear sway bar for the S12-3 series 1:10 2WD buggy platform. The bar measures 1.6mm in diameter, providing a specific tuning option for controlling rear roll stiffness. It is a single bent metal sway bar shaped to fit the rear suspension of the S12-3. Features: 1.6mm diameter rear sway bar Designed for the SWORKz S12-3 series platform Metal construction Single piece replacement part 7/7/26 cs