Core-RC Aluminum Servo Arm (Black) (23T-KO Propo/JR/Sanwa/Airtronics)

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This is a Core-RC Aluminum Servo Arm and is intended for use with any servo that uses a 23 tooth spline output shaft. These servo arms are made from high quality aluminum alloy, and are anodized black for durability and stealthy looks. These are suitable for many applications from RTR sport vehicles to competition Touring Cars.


  • Improved strength with pinch bolt design
  • Multiple hole positions to suit the geometry of most vehicles
  • 23T Spline Output Shaft

This product was added to our catalog on December 15, 2010.

Dan in OR
Verified Owner
Wednesday, May 1 2013 (about 4 years ago)
Core-RC Aluminum Servo Arm (Black) (23T-KO Propo/JR/Sanwa/Airtronics)
I have bought these for all my servos from 1/8 buggy to 1/10 stadium truck and they seem to be working very well without issue. I like that they clamp around the spline and also have a screw from the top. the long arm and muliple holes gives you more setup options. just be sure to set your EPA! :-) the offset of the horn is toward the servo rather than outward (look closeley at the pic) but so far this has been a non issue. i will keep buying them, i haven't broke any, they are strong, don't flex and the price is right.)