ALUMIN SERVO ARM 3" JR DOUBLE JRPA237

First ever from JR

Polished aluminum

Adjustable splines make it easier than ever to fit onto your favorite servo

Now you can buy an aluminum servo arm to fit all your JR metal output spline servos.

These all-new servo arms feature adjustable splines to provide a perfect fit to the output shaft.

Fits JR & Airtronics servos only

The JRPA237 3" Double Side Aluminum Servo Arm holes are tapped for 4-40 thread screws for use with 4-40 HD Ball Links by Hangar 9 (HAN3616) or other HD 4-40 ball links.

Center of rotation to first hole: 0.75 in (19mm)

Center of rotation to second hole: 1.00 in (25mm)

Center of rotation to third hole: 1.25 in (32mm)

Center of rotation to outermost hole: 1.50 in (38mm)