Radient 4.0mm Gold Connector Pairs with Heat Shrink Tubing 5 Pack RDNAC010090

Overview

The Radient 4.0mm Gold Connector Pairs including Heat Shrink (5 pcs) represent an essential component for any serious RC enthusiast in the UK looking to build, maintain or upgrade their fleet of RC vehicles. Whether you're running RC cars and trucks, RC boats, fixed-wing aircraft, helicopters, or multirotors and drones, having a reliable supply of quality 4.0mm connectors is fundamental to ensuring safe, efficient power delivery across your RC projects. These gold-plated connectors offer superior electrical conductivity and durability compared to standard alternatives, making them the preferred choice for hobbyists who demand consistent performance and longevity from their equipment.

Supplied as five complete pairs with integrated heat shrink tubing, this pack provides excellent value and convenience for builders who work on multiple RC vehicles simultaneously or maintain an existing collection. The gold finish isn't merely aesthetic—it serves a critical functional purpose by reducing contact resistance, which translates directly into more efficient power transfer, reduced heat generation, and extended battery life during your RC sessions. Whether you're a seasoned RC competitor, a weekend basher, or just discovering the world of RC hobby in the UK, having quality connectors on hand ensures you're never held back by substandard connections when you're ready to hit the track, water, or sky.

These connectors are particularly valuable for anyone running an established RC setup who understands the importance of using quality components throughout the power chain. RC cars and trucks using 4.0mm connectors on their power leads, RC boats with 4.0mm power connections, fixed-wing aircraft and helicopters requiring 4.0mm power connectors, and multirotors and drones that use 4.0mm connections can all benefit from having premium replacement pairs readily available in your workshop or field box.

Key Features

• Gold-Plated Connectors — The gold plating provides superior electrical conductivity compared to bare metal or silver-plated alternatives, which means lower contact resistance and more efficient power delivery to your motors and electronics, resulting in better performance and longer battery runtime during your RC sessions.
• Four-Point Zero Millimetre Size — The 4.0mm connector specification is a widely-adopted standard across numerous RC applications and manufacturers, ensuring broad compatibility with RC cars and trucks, RC boats, aircraft, helicopters, and drone platforms that utilise this connector type for power distribution.
• Five Complete Pairs Included — Receiving five pairs means you have enough connectors to service multiple RC vehicles, build redundancy into your setup, or maintain a rotating stock of ready-to-use pairs while others are being installed or refurbished, ensuring you're never without compatible connectors when building or repairing your RC fleet.
• Integrated Heat Shrink Tubing — Each pair comes supplied with matching heat shrink tubing to insulate the connector joints and finish installations cleanly, providing professional-looking results whilst also protecting the electrical connections from moisture, dirt, and accidental shorts that could damage your ESC or cause safety hazards.
• Serrated Design (Short Male Connectors) — The serrated male bullet connectors feature a short profile with textured gripping surfaces, which provides positive mechanical engagement and makes connections and disconnections easier to manage, particularly important when working in field conditions or when wearing gloves during outdoor RC sessions.
• Suitable for Ages 14 and Upwards — These connectors are appropriate for teenage and adult RC enthusiasts with sufficient maturity to handle electrical components responsibly, making them ideal for school RC clubs, youth RC racing programmes, and established hobbyists upgrading their component stocks.
• Minimal Shipping Weight — At just 0.02kg (approximately 0.04 pounds), this compact set can be easily transported to the track, field, or water without adding noticeable weight to your RC kit bag, making it perfect for keeping in your field box for emergency repairs or connector swaps during racing days.

Technical Performance

The Radient 4.0mm Gold Connector Pairs deliver the kind of build quality and electrical performance that experienced RC hobbyists expect when they're serious about maintaining their vehicles in peak condition. The gold-plated finish is engineered to resist oxidation and corrosion over time, which means your connectors will maintain their low-resistance properties even after months or years of use across multiple RC platforms. The serrated male bullet connector design ensures secure mechanical engagement with matching female connectors, preventing accidental disconnections during high-speed runs or aggressive manoeuvres on the track. The short profile of these connectors makes them particularly suitable for compact battery installations and tight ESC mounting spaces common in modern RC cars, trucks, and aircraft designs. Heat shrink tubing is included with each pair, allowing you to create professional-quality insulated joints that protect against moisture ingress and provide a finished appearance consistent with factory-built RC vehicles. Whether you're servicing your existing RC collection or building new vehicles from components, these connectors will integrate seamlessly with any 4.0mm connector-equipped RC platform, delivering reliable power transfer through your motor and speed control connections.

What's in the Box

• Five pairs of 4.0mm gold-plated serrated male bullet connectors
• Heat shrink tubing included with each pair for professional insulation and finishing

Frequently Asked Questions

• Are these 4.0mm connectors compatible with my RC car or truck? — Yes, these Radient 4.0mm gold connectors are designed for broad compatibility across RC cars and trucks, RC boats, aircraft, helicopters, and drones that utilise the standard 4.0mm connector specification. Check your vehicle's battery leads and ESC connectors to confirm they feature female 4.0mm receptacles that will accept these male connectors. If your RC vehicle came factory-equipped with 4.0mm connectors, these Radient pairs will work seamlessly with your existing setup.
• Why should I choose gold-plated connectors over standard alternatives? — Gold plating offers significantly lower contact resistance compared to bare copper or silver-plated connectors, which means more efficient power delivery from your battery to your motor. This efficiency improvement translates into cooler running connectors, reduced voltage drop under high current draw, better motor performance, and extended battery runtime during your RC sessions. Gold also resists oxidation and corrosion far better than other finishes, maintaining its low-resistance properties over many months of use.
• What is the heat shrink tubing for, and how do I use it? — The included heat shrink tubing serves to insulate your connector joints and provide a finished, professional appearance to your power connections. After soldering a male and female connector pair together, slide the heat shrink tubing over the joint and heat it gently with a heat gun or hair dryer until it shrinks tightly around the connection. This protects the solder joint from moisture, prevents accidental contact between positive and negative leads, and finishes your installation with a clean, factory-like appearance.
• Can I use these connectors for both battery to ESC and motor to ESC applications? — Yes, these 4.0mm connectors are suitable for both battery-to-speed-control connections and motor-to-speed-control connections, making them versatile upgrades or replacement components for various points in your RC power chain. The gold plating ensures reliable performance whether handling the high current from your battery or the motor feedback circuits on your ESC.
• How many pairs do I need for my RC setup? — The five-pair pack provides excellent value if you're maintaining multiple RC vehicles or like to keep spare pairs on hand for field repairs. For a single vehicle, one pair is sufficient, but having extras is wise for situations where you need to reconfigure your setup, troubleshoot connections, or perform emergency repairs during track days or field sessions.
• Are these suitable for high-current applications? — The Radient 4.0mm connectors with gold plating are suitable for applications requiring reliable power transfer, though for extremely demanding high-current setups (such as large-scale RC crawlers or high-performance racing vehicles drawing sustained currents above the connector's rated capacity), you may want to verify compatibility with your specific vehicle's current requirements. The gold plating helps minimise resistive heating even under moderate to high current loads.

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 Radient 4.0mm Gold Connector Pairs including Heat Shrink (5 pcs) RDNAC010090 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.