Description: Application:RC Front Rear Arm Steering Cups Linkage Rod Set is great for 1/18 18101 18102 RC Crawler car.Material: The rc car replacements are made of metal, Enhance vehicle handling and durability.DIY Parts:RC spare parts include front lower and upper swing arm, front steering cup, steering tie rod, rear lower and upper swing arm, rear cup, steering assembly, front and rear shock bracket and two car shell support Easy to Install: RC truck spare part accessory is simple design, easy to install.Replacements: RC car Upgrades Kit, nice choice for replacing damaged or broken parts. Size Chart: Front lower arm:5.315cmx2.4cmx0.445cm/2.09inchx0.94inchx0.18inchFront upper arm:5.456cmx1.946cmx0.611cm/2.15inchx0.77inchx0.24inchFront steering cup:3.2cmx2.083cmx2.46cm/1.26inchx0.82inchx0.97inchSteering assembly:3.04cmx1.76cmx1.2cm/1.20inchx0.69inchx0.47inchSteering tie rod:3.89cm/1.53inchRear lower arm:5.012cmx2.26cmx0.5cm/1.97inchx0.89inchx0.20inchRear upper arm:5.02cmx1.942cmx0.585cm/1.98inchx0.76inchx0.23inchRear cup:1.987cmx1.653cmx3cm/0.78inchx0.65inchx1.18inchFront shock absorber bracket:6.976cmx1.235cmx2.15cm/2.75inchx0.49inchx0.85inchRear shock absorber bracket:6.93cmx1.43cmx2.24cm/2.73inchx0.56inchx0.88inchbody post:6.8cmx3.4cmx0.748cm/2.68inchx1.34inchx0.29inch Package Includes: 2 Front lower arm2 Front upper arm2 Front steering cup1 Steering assembly2 Steering tie rod2 Rear lower arm2 Rear upper arm2 Rear cup1 Front shock absorber mount1 Rear shock absorber bracket2 Front and rear body post Note: Please allow slightly errors 1-2cm differences due to manual measurement.