Servo output shafts. 23 tooth spline – Sanwa / Airtronics / KO / JR 24 tooth spline – Hitec 25 tooth spline – Futaba / TT / ACE / HPI + Spline (teeth (gear Mesh) on Servo’s output shaft) ...

However, you will need to purchase a transmitter, steering servo, RC control, and battery separately. Full assembly required, if you're up for the challenge. Traxxas Rustler 4x4 Off Road RC Car ...

Often, the most accessible builds throw together some RC servos and 3D printed parts, with limited accuracy a consequence of the components chosen. [Adam Bäckström] ...