RC Aluminum Alloy 25T Servo Arm 46mm 5-Hole Swing Arm
RC Aluminum Alloy 25T Servo Arm 46mm 5-Hole Swing Arm
Upgrade Your RC Car Steering with a Heavy-Duty Aluminum Servo Arm
The P3 Aluminum Alloy 25T Steering Servo Arm is a precision-engineered replacement and upgrade servo arm designed for RC enthusiasts who demand reliable, accurate steering control. Measuring 46mm in length with a 5-hole design, this swing arm offers versatile linkage positioning for a wide range of RC car builds and modification setups. Made in Mainland China.
Key Features
- Durable Aluminum Alloy Construction: Built from high-grade aluminum alloy for superior wear resistance, corrosion resistance, and long-lasting performance — a major step up from plastic factory arms.
- 5-Hole Design with Multiple Spacing Options: Five precisely spaced holes at 12mm / 18mm / 23.5mm / 28.5mm / 34.2mm give you full flexibility over linkage positioning and steering geometry adjustments.
- 25T Spline Compatibility: Designed to fit standard 25-tooth (25T) servo splines for secure, slip-free engagement with your servo output shaft.
- M3 Precision Mounting Holes: M3-standard holes ensure a stable, rattle-free installation that keeps your steering crisp and consistent.
- Wide RC Vehicle Compatibility: Ideal for SCX10, crawler builds, touring cars, and other popular RC platforms requiring servo arm upgrades.
- Multiple Color Options: Available in Blue, Red, Black, and Gray to match your RC build's aesthetic.
- Easy to Install: Straightforward drop-in fitment — no special tools required beyond standard RC maintenance equipment.
Specifications
| Material | Aluminum Alloy |
| Total Length | 46mm (1.81 in) |
| Number of Holes | 5 |
| Hole Spacing | 12mm / 18mm / 23.5mm / 28.5mm / 34.2mm |
| Spline Type | 25T (25-Tooth) |
| Available Colors | Blue, Red, Black, Gray |
| Mounting Holes | M3 |
| Recommended Age | 14+ |
| Country of Origin | Made in Mainland China |
What's in the Box
- 1 × Aluminum Alloy 25T Steering Servo Arm (46mm, 5-Hole)
Note: Due to screen calibration differences, actual color may vary slightly from product images. Please allow ±1–2mm tolerance due to manual measurement.
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Frequently Asked Questions
Q: What servo spline type does this RC steering servo arm fit?
A: This aluminum alloy servo arm is designed for 25T (25-tooth) spline servos, which is one of the most common spline standards used in RC cars. Always verify your servo's spline count before ordering to ensure compatibility.
Q: Is this servo arm compatible with the Axial SCX10?
A: Yes — the 25T aluminum alloy steering servo arm is specifically noted as compatible with the Axial SCX10 and similar RC crawler platforms. Its M3 mounting holes and 5-hole layout make it a great upgrade or replacement for stock servo arms on many popular RC builds.
Q: What are the advantages of an aluminum alloy servo arm over a plastic one?
A: Aluminum alloy servo arms offer significantly greater rigidity, wear resistance, and durability compared to standard plastic servo arms. They are less likely to flex under high-torque servo loads, which translates to more precise and responsive steering control for your RC vehicle.
Q: Can I use this servo arm for an RC build other than crawlers?
A: Absolutely. As long as your servo uses a 25T spline, this arm can be used in a variety of RC applications including touring cars, buggies, and other off-road RC platforms that require a 46mm throw servo arm.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.