3RACING 3RAC-HKD30/SI Silver 3.0 mm Double Servo Arm for Ko Propo Sanwa  [3RAC-HKD30/SI]

Tighter control with 3RACING 3RAC-HKD30/SI aluminium servo arm

If you are refreshing steering parts, the 3RACING 3.0 mm Aluminium Double Servo Arm is a straightforward upgrade. It is designed to pair with Ko Propo and Sanwa servos and comes in a durable silver finish.

Reliable construction and compatibility

Made from quality aluminium, this arm keeps weight down while offering greater rigidity than stock plastic horns. The 3.0 mm wall thickness helps prevent flex under load and supports consistent servo movement. It plugs into Ko Propo and Sanwa style splines for easy fitting.

Perfect for diverse RC setups

From bush buggies to track-focused cars, this arm helps maintain accurate inputs for steering and throttle. Its broad compatibility makes it an accessible upgrade for hobbyists who want dependable control improvements.