Aluminum Servo Arm, 2" (JR/SPM)
$11.99
Skip to product information
Aluminum Servo Arm, 2" (JR/SPM)
$11.99
Aluminum Build
Maximum strength and precise control
2 Inch Length
Extended reach for maximum throw
JR SPM Fit
Designed for Spektrum JR servos
Heavy Duty Steering HornUpgrade your servo response today
Upgrade your steering or surface control setup with the Aluminum Servo Arm, 2" (JR/SPM). Engineered for maximum durability and zero flex, this heavy-duty RC servo arm ensures precise control and immediate steering response for high-torque applications. Perfect for large-scale RC cars, aircraft, and custom hobby builds utilizing JR or Spektrum servos.
Uncompromising Strength And AccuracyEliminate flex with precision CNC aluminum
When stock plastic servo arms fail under pressure, the Aluminum Servo Arm, 2" (JR/SPM) delivers the ultra-rigid reliability required by serious hobbyists. Crafted from high-grade aluminum, this 2-inch servo horn eliminates slop and flex, transferring maximum torque directly from your JR or Spektrum servo to your steering linkages or flight control surfaces. Whether you are driving heavy-duty RC vehicles or operating large-scale model aircraft, this critical upgrade guarantees crisp response, enhanced durability, and dependable control under heavy loads.
Technical SpecificationsDetailed dimensions and compatibility information
Compatible Servos
JR and Spektrum Servos
Part Type
Servo Horn / Arm
Material
Anodized Aluminum
Arm Length
2.0 Inches (50.8mm) (ruler)
Spline Type
JR / SPM Standard
Application
Large Scale RC Aircraft, Cars, & Robotics
Key Part FeaturesBuilt for high torque applications
MaterialHeavy-duty CNC aluminum construction
Length2-inch length for extended control throw
CompatibilityFits standard JR and Spektrum servo splines
PerformanceEliminates slop and flex under heavy steering loads
DesignLightweight profile with reinforced spline connection
InstallationFast direct bolt-on upgrade for plastic servo horns
Frequently Asked QuestionsEverything you need to know
What servos are compatible with the Aluminum Servo Arm, 2" (JR/SPM)?
The Aluminum Servo Arm, 2" (JR/SPM) is specifically designed to fit standard output splines found on JR and Spektrum RC servos.
Why should I choose the Aluminum Servo Arm, 2" (JR/SPM) over a plastic servo horn?
The Aluminum Servo Arm, 2" (JR/SPM) offers superior strength and rigidity, eliminating the flexing and spline stripping that frequently happens with plastic arms under high loads.
What applications benefit from using the Aluminum Servo Arm, 2" (JR/SPM)?
The 2-inch length of the Aluminum Servo Arm, 2" (JR/SPM) provides extended mechanical linkage leverage, making it ideal for large-scale RC airplanes, custom steering linkages, and high-torque robotics.