Packaging Includes: Front Upper Links 124mm-2pcs Front Lower Links 134mm-2pcs Original Name / Part No: AXI234022、AXI234021 Part location: Front Upper & Lower Chassis Does this product replace a specific part or function? yes Product major function & usage: Thickened links parts and The design for steel pivot ball postion is same as original. It is "arcuated" shape,the steel pivot ball will not fall off easily. make the car more stable and smooth during driving Major advantages of upgrading to this product: 1.Aluminium 6061 T6 is a light material anodized for longer durability, corrosion resistant and aesthetics. It has a high tensile strength for greater durability when doing extreme RC action 2. Thickened links parts and The design for steel pivot ball postion is same as original. It is "arcuated" shape,the steel pivot ball will not fall off easily. make the car more stable and smooth during driving Suitable Model: 1/10 4WD RBX10 RYFT BRUSHLESS ROCK BOUNCER-AXI03005