Hangar 9 Servo Arms Aluminum 1.5" Jr (HAN9154)
$11.99
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Hangar 9 Servo Arms Aluminum 1.5" Jr (HAN9154)
$11.99
Spline-Loc Tech
Dual locking servo connection
Zero Slop
Precise surface movement control
Durable Finish
Black powder coated aluminum
Precision Control HardwareSlop-free steering for your servo
Upgrade your control setup with the high-precision Aluminum Servo Arm, 1.5" JR. Designed to deliver slop-free performance, this durable aluminum arm ensures crisp control responses for high-demand RC applications. Featuring innovative Spline-Loc technology, it guarantees an ultra-secure connection to your JR-pattern servos.
Heavy-Duty Servo UpgradeEngineered for maximum holding strength
The Aluminum Servo Arm, 1.5" JR is engineered for serious RC enthusiasts who demand unyielding control authority. Crafted from high-grade aluminum and finished with a sleek black powder coating, this 1.5-inch servo horn prevents unwanted flexing under heavy loads. The advanced Spline-Loc design secures the arm at two distinct points—both on the spline teeth and via the main attachment screw—eliminating surface movement slop and protecting your control surfaces from flutter or drift.
Technical SpecificationsDetailed hardware and fitment specs
Part Type
Servo Arm
Compatibility
JR Spline Servos
Material
Aluminum
Finish
Black Powder Coated
Length
1.5 Inches
Locking Mechanism
Spline-Loc Dual Locking System
Key Performance FeaturesDesigned for ultimate linkage security
Slop-Free FitEnsures precise surface movement and zero slop
Spline-Loc SystemDual-locking attachment secures spline and attachment screw
Powder Coated FinishPremium black finish maintains a clean look
Aluminum ConstructionHigh-strength material prevents arm flex under load
Exact FitmentEngineered specifically for 1.5-inch JR servo setups
Frequently Asked QuestionsEverything you need to know
What servos are compatible with the Aluminum Servo Arm, 1.5" JR?
The Aluminum Servo Arm, 1.5" JR is designed specifically to fit JR brand servos and other standard servos utilizing the JR spline pattern.
How does Spline-Loc work on the Aluminum Servo Arm, 1.5" JR?
Spline-Loc locks the Aluminum Servo Arm, 1.5" JR in place using a dual-securing mechanism—clamping tightly to the spline teeth while also utilizing the central servo attachment screw for maximum security.
What are the main benefits of upgrading to the Aluminum Servo Arm, 1.5" JR over stock plastic arms?
The Aluminum Servo Arm, 1.5" JR eliminates flex under high torque, delivers instantaneous response to control surfaces, and offers superior durability with its black powder-coated finish.