Set Screw is usually for fixing the pinion gear onto the motor shaft. Most of the RC cars today use set screw also to adjust the droop and downstop. Also they are very important when installing the anti-roll bars.
Set Screw is usually for fixing the pinion gear onto the motor shaft. Most of the RC cars today use set screw also to adjust the droop and downstop. Also they are very important when installing the anti-roll bars.