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
- Low Profile Digital Servo: Compact and lightweight, ideal for 1/10 RC cars and robots.
- Durable construction: Features full metal gears and dual ball bearings for smooth operation.
- Optimal performance: 0.14s transit speed and 22kg torque at 6.0V; 0.17s and 17.6kg at 4.8V.
- Versatile servo arm: 25T aluminum arm included, with 90-120°±2° remote control angle.
- Robust and reliable: Plastic case with aluminum center band, weighs only 50g.
- 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.
- Come with some screws, easy to install
- Etched with the INJORA logo, look more attractive
- Sold two per package and available in four colors
- Made of aluminum alloy for incredible precision, rigidity and durability
- This is a replacement scx24 stock servo horn, intended for use with ES08MAII 12g analog servo
- The 25t servo horn long are compatible with Futaba Savox Power HD HSP MG995 MG996 Servos,suitable for 1/10 1/8 RC car truck and other RC models boat FPV.
- Made of aluminum alloy,CNC machining makes it precise in size and stable in performance.
- Total Length:37mm/1.46";Distance from Hole Center to Hole Center：15mm, 20mm, 25mm, 30mm
- 25 Thread Spline & M2.5 thread to adjustable.Easy and convenient to install.
- Pack of 5.Color:Red/Blue(Optional)
- The aluminum servo arms 25t compatible with Futaba Hitec Savox Power HD Xcore 25T Servo Motors ,And it fit RC Airplane Plane Car Boat
- The 25t servo arms made of aluminum alloy material,hard aluminum construction for precision and durability.
- Total Length:58mm;Distance from hole center to hole center：32mm, 38mm, 44.5mm/1.75"
- 25 Tooth Spline with M3 Threads;A great replacement part for your rc car airplane boat.
- Pack of 2 Servo Horn Rocker Arm.Color:Red.Easy and convenient to install and remove.
- 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)
- The rc airplane long servo arms Compatible with 30-100CC Balsa Airplanes,Compatible with Futaba Savox Xcore HL HSP HD power Go tech Rc Servos designed for RC Airplanes RC Plane Helicopter.
- The rc airplane servo arms made of aluminum alloy,CNC machining makes it precise in size and stable in performance.
- Total Length:56mm/2.20";Distance from Hole Center to Hole Center：21mm, 29mm, 37mm, 45mm
- 25 Thread Spline,easy and convenient to install.The 25t servo horn long also fit for 1/10 RC Model Car,check the size before buying.
- Pack of 2pieces rc plane servo arms.Color:Red/Black(Optional)
- 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 TRX4M 1/18 RC Crawler.
- Compatible with RS100, MEX8/MEX12 from MEUS and other high torque servos from the market.
- The rc airplane long servo arms Compatible with 30-100CC Balsa Airplanes,Compatible with Futaba Savox Xcore HL HSP HD power Go tech Rc Servos designed for RC Airplanes RC Plane Helicopter.
- Designed for RC Airplanes RC Plane Helicopter.The 25t servo horn long also Suit for 1/10 RC Model Car.check the size before buying.
- The rc airplane servo arms made of aluminum alloy,CNC machining makes it precise in size and stable in performance.
- 25 Thread Spline,easy and convenient to install.Total Length:56mm/2.20";Distance from Hole Center to Hole Center：21mm, 29mm, 37mm, 45mm
- Package：2 x 25T Metal Servo Arm（Red） ，6 x Screw
- 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
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.