Axial 1/10 Rbx10 Ryft 4wd Scale Rock Bouncer-axi03005 Stainless Steel Bold Anti-roll Bar/rear Tie BarItem No.: RBX312RSWeight: 65G 1. The original car does not have this part on it. Installing this part can enhance the stability of the car body and prevent rollover2. Aluminum + stainless steel combination are more durable and able to withstand stronger forces.Applicable models: Axial 1/10 RBX10 Ryft 4WD Scale Rock Bouncer-AXI03005 (dedicated)