A good set of servo arms is one of the first things to consider when buying a new radio control car. They connect the steering servos to the steering wheels and allow the steering action to be replicated by the driver. Servo arms come in a range of different sizes and shapes, and the right arms for one car might not be the best arms for another.
To help you find the best rc servo arms for you, we’ve rounded up the top products on the market and bought them to test for ourselves.
Read on to find the best rc servo arms for your needs.
Our Editor’s Best Rc Servo Arms Reviews
- 25T Spline & M3 threads, the 25t servo horn compatible with Futaba Savox Xcore HSP HD Power TowerPro MG servo MOSTLY 25T standard servo motor
- Adjustable type servo arm,includes two steel bolts to secure the split-clamp onto the servo output.
- Hard aluminum construction for precision and durability.
- For Vehicle Type: for buggy, rc car, rc truck, rc truggy
- The metal 25t servo arms are better than most of the plastic material;Pack of 5 in black color.
- 25T spline & M3 threads. Compatible with Futaba HSP Power HD Axial Savox Xcore MG995 Mostly standard servo motors; Fit for 1/8 1/10 rc off-road crawler drift racing car.
- Made of aluminum alloy,CNC machined for its precision,durable in use..
- Distance from hole center to hole center:16mm, 20mm;Thread: M3
- Easy and convenient to install and remove.
- Pack of 2Pcs 25-Teeth Servo Horn with clamping.Color: Red/Black(Optional)
- Product name: 25T aluminum servo horn M3 threads metal steering arm.
- Dimension: 35x15x6mm (Hole centers at 20 and 24mm from the servo output.); Package quantity: 5pcs
- Adjustable type servo arm, includes two steel bolts to secure the split-clamp onto the servo output.
- For Vehicle Type: for Buggy, Car, Truck, Truggy; Hard aluminum construction for precision and durability. Better than most of the plastic material.
- Fits mostly standard servo motors. Compatible with Futaba Savox Xcore HSP HD Power TowerPro MG servo mostly 25T Standard Servo Motor.
- [Strong]: Aluminum CNC machining technique for precision with an anodized finish. Made of quality metal material, the 25-tooth servo arms are wear-resistant and durable.
- [Easy to Install]: Simply replace the plastic parts in the stock cars directly.
- [Universal]: 25T spline and M2.5/M3 threads. The steering arms are suitable for most 25T servo motors. Compatible with Futaba, Savox, Power HD, HL, Towerpro, HSP, Axial, Xcore, MG995, MG996R, MG946R, S3003, and other 25 Teeth servos.
- [Size]: 1.38 in x 0.6 in. (Hole centers at 0.79in and 0.94in from the servo output.)
- [Package Included]: 5× servo horns. With the necessary accessories for convenience, including 5 screws and 1 L-shaped hex wrench.
- Pack of 2 pieces for replacement and long-term use.
- 25T Servo arm, F = 5.0mm | Length = 20mm | M0.2, please check if the diameter of your servo gear is 5.0mm too.
- Made of high quality aluminum with great durability.
- Suitable for aftermarket servo for SCX24 1/24 RC Crawler.
- Compatible with MEX8/MEX12 from MEUS, RS100 and other high torque servos from the market.
- Package includes 2PCS 25T servo arm.CNC machining makes it precise in size and stable in performance.
- Compatible with mostly standard servo motors,for example, compatible with Futaba HSP Power HD Axial Savox Xcore MG995 MG996R MG946R and So on.Compatible with Traxxas Axial Tamiya HPI HSP Wltoys Axial SCX01 rc car truck.
- Distance from hole center to hole center：12mm, 16mm, 20mm
- Size:28x10x7.5mm
- Weight:1.7g/PCS
- Compatible with mostly 25T standard servo motors.Compatible with Futaba Savox Emax HSP Power HD Xcore HSP TowerPro MG & other popular prand servos motor(DO NOT Compatible with Hitec JR Servos)
- Fit for 1/10 scale RC crawler,for example,these 25T servo horn are compatible with Traxxas TRX4 Axial SCX10 SCX10 ii Tamiya CC01 90046 1/10 RC crawler truck
- 25 Tooth Spline with M3 Threads,Double-sided mounting hole design.
- Hole Distance: Approx.20mm / 24mm (Measured From Hole Center To Hole Center)
- Color:Red-Black/Gold-Black/Silver-Black(Optional);Small size and lightweight,easy to install.
- 25T spline & M3 threads. Compatible with Futaba HSP Power HD Axial Savox Xcore MG995 Mostly standard servo motors; Fit for 1/8 1/10 rc off-road crawler drift racing car.
- Made of aluminum alloy,CNC machined for its precision,durable in use..
- Distance from hole center to hole center:16mm, 20mm;Thread: M3
- Easy and convenient to install and remove.
- Pack of 2Pcs 25-Teeth Servo Horn with clamping.Color: Red/Black(Optional)
- Total Length: 56mm; Distance from Hole Center to Hole Center：21mm, 29mm, 37mm, 45mm
- Package quantity: 2pcs
- M2.5 Thread spline, easy and convenient to install.
- Compatible with 30-100CC Balsa airplanes RC plane helicopter car.
- A great replacement part for your rc airplanes RC plane.
- Aluminum CNC machined for precision,Anodized,Easy upgrade from the original part
- The Long 25T Servo Horn Fit for Mostly Standard Servo Motors
- Widely Use for 1/10 1/8 RC Cars; 25T Teeth; Adjustable servo arm,includes two steel bolts to secure the split-clamp onto the servo outpu
- Detach the existing servo horn, connect the steering linkage to the new horn, insert the horn onto the output shaft, and fasten it in place with the central screw.
- This servo Steering arm features excellent compatibility, making it easy to install and remove.It can directly replace parts, offering convenient upgrade for your RC car. The included bolt securely attaches the split clamp onto the servo output, ensuring a stable connection.Hard aluminum construction for precision and durability.
Best Rc Servo Arms Buying Guide
Before choosing the best rc servo arm you should consider following options:
1. Material: The material used to make the arm is an important factor to consider. Some of the common materials used to make these arms include aluminum, steel, and nylon.
Aluminum is a lighter material that is easy to work with, but it is prone to warping and breaking. Steel is heavier but is stronger and more durable. Nylon is a good choice if you want something that is affordable but not very durable.
2. Mounting: The type of mounting that the arm has is also an important consideration. It is possible to get arms with different types of mounting made of different materials.
If you need a strong and durable arm, aluminum is the best option. If you want something that is lightweight and easy to work with, steel is a better option.
3. Bearing: The bearing that the arm has is another important factor to consider. It is possible to get different types of bearings such as ball, needle, and slotted.
Needle bearings are great for heavy-duty applications, but they are not very easy to work with. Ball bearings are easy to work with but not very strong. Slotted bearings are a good choice if you want something that is affordable and easy to work with.
4. Torque: The torque that a servo arm has is important to consider. The torque is the amount of force that the arm can withstand before breaking.
If you need something that is strong, you should get a servo arm with a high level of torque. If you want something that is lightweight and easy to work with, you can get a servo arm with a low level of torque.
5. Angle: You should also consider the angle that the servo arm can hold. Some arms have a wide angle while others have a narrow one.
If you want something that has a wide angle, you should get a servo arm with a higher holding torque. If you want something that is lightweight and easy to work with, you can get a servo arm with a narrow angle.
6. Cost: Cost is obviously an important factor to consider. You can get servo arms made of different materials at different prices.
The material you get will depend on the application you need the arm for. If you want something that is lightweight and easy to work with, you can get a servo arm made of nylon.
What else you should know about rc servo arms
1. What is the function of a servo arm?
A servo arm is a type of mechanical arm that is used to move or rotate an object.
2. How is the servo arm attached to the servo?
The servo arm is attached to the servo by a screw.
3. What is the servo arm made of?
The servo arm is made of plastic and is attached to the servo motor with screws.
4. How do I know what size servo arm to use?
The size of the servo arm will be determined by the size of the servo motor.
5. How do I install a servo arm?
There is no one-size-fits-all answer to this question, as the installation process for a servo arm will vary depending on the make and model of the servo arm. However, in general, the installation process for a servo arm will involve attaching the arm to the servo shaft using a set screw, and then attaching the control surface to the servo arm using another set screw.
Conclusion
On the market, there are numerous best rc servo arms. Hopefully, the list of the top ten best rc servo arms will save you time researching and deciding on the best one for you.