The Hot Racing Aluminum Fixed Steering Link is a machined aluminum option to replace the link included with Traxxas TRA7747, and the horn is compatible with the Traxxas TRA2085X servo. NOTE: This is only compatible with the Traxxas TRA2085X Servo and does not feature a standard 25T spline diameter. For users with a standard size 25T servo please use (HRAMXX48SA25) Features: CNC machined 6061 aluminum for stronger, more precise steering Clamping servo horn gives precise fit to lock onto servo spline Steel pivot balls Blue and black anodized Replaces TRAXXAS servo horn and steering link TRA7747 Fits Traxxas TRA2085X servo Includes: (1) aluminum fixed link steering (1) aluminum locked servo arm