3RACING 3RAC-HKS30/PU Purple 3.0mm Aluminium Single Servo Arm for Ko Propo/Sanwa  [3RAC-HKS30/PU]

Race oriented 3RACING 3RAC-HKS30/PU servo arm

The 3RACING 3.0mm Aluminium Single Servo Arm in purple is engineered for drivers who focus on setup and repeatability with Ko Propo and Sanwa servos. Its thin, stiff profile helps maintain precise control inputs while allowing fine tuning of servo throw.

Performance focused construction

Precision machining yields a consistent 3.0mm thickness that minimises flex and ensures predictable response under load. This arm is intended for tuning environments where small setup changes need to produce reliable, repeatable feedback at the wheel.

Tuning and compatibility

Optimised for Ko Propo and Sanwa spline patterns, the arm integrates cleanly into typical 1/10 scale race chassis. It supports incremental setup work, from endpoint adjustments to testing throw reduction, and pairs well with high speed digital servos.