Futaba Alloy Twin Arm Servo Horn 50.8mm Silver FUTEBS3431

Overview

The Futaba Alloy Twin Arm 2" (50.8mm) in silver is a precision-engineered servo horn designed for RC enthusiasts across the UK who demand reliability and quality in their model builds. Whether you're involved in competitive RC racing, casual weekend bashing, or professional-grade RC car projects, this compact aluminium arm provides the sturdy twin-arm format needed for secure, dependable hardware layouts. As an official Futaba product distributed through J Perkins, the recognised UK and Ireland distributor since 1975, you can trust this component to deliver the performance standards expected from a brand that has been leading the way in radio control since 1962.

This servo horn is particularly suited to builders who are looking for a compact solution without compromising on structural integrity. The 2-inch (50.8mm) overall length makes it ideal for applications where space is at a premium but strength cannot be sacrificed. Futaba's reputation for quality RC components is well-established, and this alloy arm is no exception. It combines a clean silver finish with low weight to support neat, reliable hardware layouts that will enhance the performance and appearance of your RC vehicle build. Whether you're upgrading an existing model or building from scratch, this component is an essential spare part for any serious RC car UK enthusiast.

Available from RC Model Shop, an authorised Futaba retailer, this servo horn accessory is perfect for hobbyists and professionals alike who understand the importance of using genuine, quality components. The aluminium construction ensures durability whilst keeping weight to an absolute minimum, making it an intelligent choice for performance-focused RC enthusiasts who want every component to contribute to their model's capabilities.

Key Features

• Alloy Construction — Manufactured from premium aluminium, this servo horn delivers exceptional strength-to-weight ratio that is crucial for responsive RC car performance and precise control during high-speed runs or technical manoeuvres.
• Twin-Arm Format — The dual-arm design provides superior structural stability and load distribution compared to single-arm alternatives, ensuring your servo movements remain precise and reliable even under demanding driving conditions.
• Compact 50.8mm Length — At just 2 inches long, this horn fits perfectly into space-constrained applications whilst maintaining the mechanical advantage needed for smooth servo operation on ready to run RC cars and custom builds.
• Silver Finish — The clean, professional silver anodised finish not only looks polished and professional but also provides corrosion resistance to help the component withstand the rigours of regular RC use.
• Low Weight — Careful engineering keeps the weight minimal, reducing unsprung mass and contributing to better handling characteristics and faster response times in your RC vehicle.
• Futaba Authenticity — As an official Futaba component, you can be confident in the precision engineering and quality control standards that have made Futaba the trusted choice for RC enthusiasts across the UK and worldwide.
• Universal Compatibility — This servo horn is designed as a spare accessory suitable for Futaba servo systems, making it a valuable addition to your spares box for maintenance, upgrades, or building new models.

Technical Performance

The Futaba Alloy Twin Arm 2" represents a masterclass in precision servo horn engineering. Constructed from high-grade aluminium, this component offers the optimal balance between strength and weight that serious RC car UK builders demand. The twin-arm configuration distributes forces evenly across both mounting points, reducing stress concentration and extending component lifespan even under extreme driving conditions. With a total length of 50.8mm (2 inches), this horn occupies minimal space whilst providing adequate mechanical leverage for efficient servo operation. The silver finish is applied through an anodising process that not only enhances the aesthetic appeal but also provides a protective barrier against oxidation and corrosion, ensuring long-term durability whether your RC car is used in dry conditions or exposed to moisture during outdoor sessions. Weighing just 0.01kg, this component is negligible in terms of mass but significant in terms of contribution to overall system performance. The precision manufacturing tolerances ensure perfect fitment with compatible Futaba servo systems, maintaining the quality standards that define the Futaba brand. This is a component designed with the understanding that every element of an RC system contributes to overall performance, handling and longevity, making it an essential spare part for anyone serious about maintaining their equipment at the highest standards.

What's in the Box

• Futaba Alloy Twin Arm 2" (50.8mm) in Silver

Frequently Asked Questions

• What is a servo horn and why do I need the Futaba Alloy Twin Arm 2"? — A servo horn is the mechanical arm that connects your servo to the control linkages in your RC car, allowing the servo motor to convert rotational motion into linear movement for steering, throttle control, or other functions. The Futaba Alloy Twin Arm is essential as a spare component if you damage your existing horn, or if you're building a new RC model and need a high-quality, reliable replacement. Many RC enthusiasts keep spare horns in their spares box for this exact reason.
• Is this servo horn suitable for beginners? — Yes, absolutely. This Futaba servo horn is suitable for builders aged 14 and above. If you're new to RC car building and assembly, this is a straightforward component to install with basic RC knowledge. It simply attaches to your servo shaft, making it a good learning component for anyone getting started with RC car customisation and spares management.
• What size servo does this horn fit? — This horn is designed for use with compatible Futaba servo systems. The 50.8mm length makes it suitable for a wide range of standard RC vehicle applications. If you're unsure whether it's compatible with your specific servo model, we recommend contacting our team at RC Model Shop for advice on fitment.
• Will this horn work with non-Futaba servos? — This is an official Futaba product designed specifically for Futaba servo systems. Whilst some servo horns may be cross-compatible between brands, we recommend using genuine Futaba components with Futaba servos to ensure optimal fitment, performance, and warranty coverage. Our expert team can advise on compatibility if you have specific questions.
• How do I install the Futaba Alloy Twin Arm 2" on my servo? — Installation is straightforward: position the servo horn onto the servo shaft at the desired angle, align the mounting hole with the shaft spline, and secure using the servo horn screw. Ensure the horn is seated properly before tightening to avoid binding. If you're unsure about installation procedures, our experienced RC team at RC Model Shop is happy to provide guidance.
• What makes aluminium servo horns better than plastic alternatives? — Aluminium horns offer superior strength and durability compared to plastic, making them ideal for demanding RC applications where loads and vibrations are significant. The alloy construction resists bending and breaking, ensuring your servo movements remain precise over extended use and through countless driving sessions.
• Is this a genuine Futaba product? — Yes, this component is manufactured by Futaba and supplied through RC Model Shop as an authorised dealer. Futaba has been leading the way in radio control since 1962, and this alloy twin arm represents the quality standards you can expect from this established brand.

Why Buy from RC Model Shop?

RC Model Shop is a trusted UK RC retailer and authorised dealer for all the brands we stock, including Traxxas, ARRMA, Losi, FTX, Hobbywing, Spektrum and more. Based in Walsall, we have a physical store where customers are welcome to come in, view products and purchase in store. Whether you are a seasoned competitor, a weekend basher, or just discovering the world of RC for the first time, our team of experienced RC enthusiasts is here to help you find the perfect setup and provide ongoing support. Order the Futaba Alloy Twin Arm 2" (50.8mm), Silver FUTEBS3431 today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. Shop online or visit us in Walsall — we look forward to helping you get the most out of your RC experience.