3RACING 3.0mm Aluminum Single Servo Arm for Ko Propo/Sanwa - Purple - 3RAC-HKS30F/PU  [3RAC-HKS30F/PU]

Refined control with a compact 3RACING aluminium servo arm

The 3Racing 3.0mm Aluminium Single Servo Arm brings dependable operation to models running Ko Propo or Sanwa radios. Finished in purple, it blends a functional profile with a clean visual upgrade so your steering and throttle motions stay crisp and repeatable.

Accurate feel and broad compatibility

Built to support precise inputs, this single servo arm helps hobbyists achieve sharper steering and throttle response. It is made to integrate with Ko Propo and Sanwa systems without altering servo geometry or introducing slop.

Durable machined aluminium with an anodised finish

Manufactured from aluminium to resist wear, the arm offers long service life compared with stock plastic horns. The anodised purple finish resists chipping in normal use and gives your model a neat, custom look.