8.5" & 10" Associated Ladder bar (2020 Design)
This 2020 redesignBlack G10 ladder bar 3mm thick side rails and is a RCRI Original design style.
M3 anodized cross posts and 5/8" bearing wheels (You can use associated dr10 wheels or others)
Note you can easy bolt on The traxxas rubber wheels TRA4976 or TRA5186
For traxxas and associated cars. Traxxas requires a rear bumper mount and associated depending which you have requires a shapeways printed mount for your car. Follow link below to find your car and mount needed.All traxxas ladder bars and associated are same. https://www.shapeways.com/marketplace/tech/rc-cars?facet%5BpdcId%5D%5B0%5D=634