This Associated factory replacement rear anti-roll bar set is made for the RC10 T84 mini truggy and includes six metal bars ranging from 1.5mm to 2.0mm in diameter. Having the full range on hand lets you dial in rear roll stiffness to suit different track conditions without waiting on additional orders. Each bar is labeled with its diameter for quick identification during setup. Features: Six bars included spanning 1.5mm to 2.0mm diameter Each bar labeled with its diameter for easy identification Designed for the Associated RC10 T84 mini truggy Allows rear roll stiffness tuning across six increments 7/7/26 cs