Aluminum 3" Double Side Adjustable Spline Servo Arm by JR

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Frederick, MD

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This is a JR Aluminum 3" Double Side Adjustable Spline Servo Arm. 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.

NOTE: Compatible with JR & Airtronics servos only.


  • First ever from JR
  • Polished aluminum
  • Adjustable splines make it easier than ever to fit onto your favorite servo

This product was added to our catalog on August 23, 2011.