- Capacity: 5000 mAh
- Connectors: Tamiya
- Voltage: 7.2 V
- Weight: 424 g
- Height: 25 mm
- Length: 142 mm
- Width: 48 mm
- Supplier Id: B-5000-7.2V-NiMH-Tamiya
The ARRMA ARA340152 Direct Mount Servo Saver 25T Spline is a high-strength composite steering upgrade that combines the servo horn and saver into one unit, featuring a 25-tooth spline and pre-installed pivot balls for fast, reliable performance in demanding RC applications.
Why is the ARRMA ARA340152 servo saver important for steering precision?
Steering systems in RC vehicles endure heavy strain, particularly in high-speed runs, sharp turns, or when driving across rough terrain. A servo saver is a critical component because it protects the servo from damage caused by sudden impacts or overloading, while still transmitting precise steering input. The ARA340152 is designed with a direct-mount configuration that integrates the servo horn and saver into a single compact unit. This eliminates the need for multiple parts and reduces the chances of play developing between components, which can negatively affect steering accuracy. By maintaining a direct connection to the servo spline while absorbing shock loads, this part helps drivers maintain precise control over their vehicle, ensuring smoother handling and consistent response.
How does the integrated design improve durability?
Traditional servo saver setups often involve a separate servo horn attached to a saver unit, which can introduce small gaps and joints that wear down over time. The ARRMA ARA340152 addresses this issue by merging both pieces into one composite component. This integration significantly reduces mechanical lash and ensures that steering inputs are transmitted more directly to the wheels. The tough composite construction resists impact and fatigue, making the unit suitable for aggressive driving styles. With fewer parts to loosen or fail, the integrated design results in greater long-term durability and reduced maintenance, keeping your steering system tighter for longer.
What role does the 25T spline play in compatibility?
The spline count is critical when selecting servo saver components. The ARA340152 is built with a 25-tooth spline, which is one of the most common standards in the RC industry. This ensures compatibility with servos that share the same spline count, allowing the saver to seat securely on the servo’s output shaft. A precise fit prevents slippage under load and reduces wear on both the servo saver and the servo itself. By aligning perfectly with the servo spline, the saver ensures that every steering input is captured accurately, providing sharper and more predictable vehicle control. This makes it an excellent choice for both replacement and upgrade applications.
Why do pre-installed pivot balls make a difference?
The ARRMA ARA340152 is supplied with pivot balls already installed, which simplifies the installation process and guarantees correct alignment. Pivot balls allow the saver to articulate smoothly within the steering assembly, reducing friction and enabling consistent motion even under load. By eliminating the need to manually install these small but vital parts, ARRMA ensures the unit is ready to fit straight out of the package, saving time and reducing the risk of error during assembly. The pre-installed pivot balls also mean fewer loose parts to keep track of, making this saver especially convenient for hobbyists who prefer straightforward maintenance and quick repairs.
How does this servo saver benefit RC enthusiasts in real use?
For RC drivers, the steering system is directly linked to confidence and performance. A loose or worn servo saver can lead to vague steering response, unpredictable cornering, and even servo failure in extreme cases. The ARA340152 delivers a direct feel by minimising play, giving drivers a sharper sense of connection with their vehicle. This is particularly valuable in high-speed bashing or racing, where steering accuracy can determine whether you clear an obstacle or lose control. With its combination of durability, precise fit, and simplified installation, this servo saver offers enthusiasts a balance of convenience and performance that directly enhances their driving experience.
What makes composite material suitable for this part?
Composite materials are widely used in RC components because they offer an excellent balance of strength and weight. For the ARA340152, composite construction provides resilience against impacts without adding unnecessary mass to the steering system. Lighter weight helps the servo operate more efficiently, while the inherent toughness of the material ensures it can withstand repeated shocks and vibrations. Unlike metal parts that may bend or transfer too much force to the servo, the composite saver absorbs and disperses impact energy, extending the life of the servo while maintaining control precision. This balance of protection and performance makes composite the ideal material for this application.
How does the ARA340152 contribute to reduced maintenance?
Because the unit combines two components into one, there are fewer parts that can wear out or loosen over time. This means hobbyists spend less time inspecting, tightening, or replacing worn hardware. The pre-installed pivot balls also reduce maintenance complexity, as they are factory-fitted to the correct tolerance. By ensuring a snug, reliable fit and requiring fewer adjustments, the ARA340152 reduces downtime and makes ownership easier for casual drivers and competitive racers alike. The reliability of genuine ARRMA parts also means you can trust their performance under repeated stress, reducing the likelihood of unexpected failures during use.
Conclusion: why choose the ARRMA ARA340152 Direct Mount Servo Saver?
The ARRMA ARA340152 Direct Mount Servo Saver is more than just a replacement part—it’s an upgrade designed to deliver stronger, more precise steering with less hassle. Its integrated design reduces play, its 25T spline ensures secure compatibility, and its pre-installed pivot balls make it quick to fit and reliable in performance. Built from tough composite, it provides the strength needed for extreme conditions while protecting your servo from excessive loads. By investing in this component, ARRMA owners gain tighter steering response, reduced maintenance, and long-term durability. Buy ARRMA ARA340152 servo saver today and enjoy the benefits of sharper handling and dependable protection for your steering system.
Brand, Model & Product Type
Brand, Model & Product Type
- Brand: ARRMA
- Model: ARA340154
- Product Type: ARRMA ARA340154 pivot balls set, ARRMA steel pivot ball ends, ARRMA M3×7×10.3 mm spare parts, ARRMA steering & suspension pivots
Dimensions & Thread Specification
- Ball diameter: 7 mm – critical for correct fit in ball cup sockets
- Thread: M3 male thread – matches ARRMA standard pivot ball hardware
- Overall length: 10.3 mm – including thread portion and ball portion
Material & Finish
- Material: Steel – engineered for maximum crash resistance and mechanical strength
- Finish: Smooth polished surface on the ball ends to reduce friction and wear in pivot movement
Included Components
- 2 × Pivot Balls, size M3×7×10.3 mm
Drive & Removal Feature
- Hex driver fit: 2.5 mm – allows fast removal/installation using common tools
Performance & Benefits
- Restores fit where pivot balls have worn or loosened over time
- Helps reduce steering or suspension play for tighter handling
- Steel build improves durability under impact and continuous movement
Installation & Maintenance
- Install using matching ball cups and ensure thread engagement is solid
- Clean pivot ball and socket periodically to avoid grit or corrosion causing damage
- Check tightness regularly; avoid over-torque which may strip threads or deform parts
Warranty
- Warranty: 1 year manufacturer’s warranty
We want to make sure your delivery goes smoothly, so here are some important details about our service:
- For orders above £120, we offer delivery to most mainland UK addresses. For orders under £120, we can still deliver to Northern Ireland and the outlying isles, as long as the item can be sent by Royal Mail, weighs less than 30kg, and fits within 61cm × 46cm × 46cm. Some highland and remote areas may carry an extra delivery charge as couriers often apply surcharges in these locations. If you live in one of these areas, feel free to contact us before ordering so we can confirm the delivery options and costs for you.
- Most of our products include delivery in the price. If your order is under £90, a small delivery fee will apply but do not worry this will always be clearly shown at checkout before you complete your purchase.
- Depending on what you choose at checkout, your order will usually be delivered either the next working day or within 2 working days. For next day delivery please place your order before 2:00pm. Orders are dispatched Monday to Friday only. Some items may take a little longer and if that is the case we will always show the expected delivery time on the product page.
- If your order includes items with different dispatch times we will normally wait and send everything together once all items are in stock. If one of the items is going to take a while we will give you the choice either wait for everything to arrive or let us send the available items now and deliver the rest later. It is up to you.
- We use trusted delivery partners to make sure your order gets to you safely and on time. We use DPD for next working day deliveries and Royal Mail for the 2 day option.
- As soon as your order is on its way we will send you a tracking number by email. If you provide your mobile number at checkout we will also send delivery updates straight to your phone so you can keep an eye on progress.
- If a product is marked as "Dispatched within 3 working days" delivery usually takes around 3 to 5 working days from when your order is placed.
- For customers in Inverness and other parts of the Scottish Highlands deliveries can take up to 2 working days even if you select next day delivery as couriers do not currently offer a guaranteed next day service to those areas.
