Tamiya Hop-Up Options 54704 TA07 Aluminum Steering Arm SetThese 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