These lightweight, rigid aluminum steering arm parts share the proven TRF419 race machine design. Fit them in place of the kit-standard FRP plastic steering parts as they provide sharp steering response and precision handling at high speeds. • Aluminum Steering Arm x2 • Parts have a blue anodized finish. • 850 ball bearings are pre-inserted into the arms. • Recommended for use with Item 54705 TA07 Aluminum Steering Bridge. • Compatible with Item TA07 PRO chassis, plus TRF419 and TRF419X chassis.