Overview
The Traxxas Sensor, RPM (Long) TRX6520 is a precision telemetry sensor designed to unlock real-time performance data from your Traxxas RC car. This advanced accessory enables you to monitor RPM and speed information directly during your runs, transforming how you tune, test and optimise your vehicle's performance. Whether you're a competitive racer fine-tuning your setup or an enthusiast keen to understand your RC car's behaviour, this sensor provides the crucial feedback needed to make informed adjustments and achieve peak performance.
Built by Traxxas, the world's leading RC manufacturer, this sensor integrates seamlessly with compatible Traxxas models equipped with sensor-ready gear covers or mounting brackets. The long version of this sensor is engineered to fit specific vehicle architectures, ensuring proper installation and reliable data transmission. If you're serious about RC car UK performance monitoring and want to take your driving and setup to the next level, the TRX6520 is an essential addition to your toolkit.
This telemetry sensor represents the kind of premium accessory that separates casual RC enthusiasts from those truly committed to mastering their machines. Real-time RPM and speed data allows you to experiment with different setups, identify performance bottlenecks and validate your modifications with concrete evidence rather than guesswork. It's the perfect companion for anyone running a brushless RC car or high-performance Traxxas model who wants competitive-grade telemetry at a sensible price point.
Key Features
- RPM and Speed Telemetry — This sensor captures real-time rotational speed data from your motor, displaying RPM readings that help you monitor power delivery, identify potential mechanical issues and optimise gearing for different track conditions or driving styles. Understanding your actual RPM output is invaluable for tuning.
- Long Sensor Configuration — The extended length design allows this sensor to fit Traxxas vehicles with specific gear cover and mounting bracket architectures, ensuring you get the right sensor for your particular model rather than settling for a standard version that may not fit properly.
- Sensor-Ready Compatibility — Works exclusively with Traxxas models equipped with sensor-ready gear covers or mounting brackets, meaning your vehicle must be factory-prepared to accept telemetry hardware. This ensures perfect fitment and reliable operation without modification.
- Two Connector Types Included — The package includes two pieces of 3x4mm BCS connectors and one piece of 3x4 GS connector, providing the flexibility to connect with different Traxxas telemetry systems and ensuring you have the right connector type for your setup.
- Genuine Traxxas Engineering — Manufactured by Traxxas with their reputation for quality and reliability, this sensor meets the same exacting standards as their vehicles and electronics, giving you confidence in long-term durability and accurate readings.
- Precise Performance Monitoring — Telemetry data allows you to track changes in performance across different battery states, gear ratios, motor configurations and track surfaces, making it easier to identify what actually works rather than relying on feel alone.
Technical Performance
The Traxxas TRX6520 sensor represents precision engineering designed for serious RC enthusiasts who demand objective performance data. This telemetry sensor integrates with compatible Traxxas models to deliver accurate RPM and speed readings in real time, allowing you to monitor motor performance during every run. The sensor's engineering ensures minimal latency in data transmission, meaning the readings you see on your display accurately reflect what's happening at that exact moment. The long configuration has been specifically engineered to fit within the gear cover and mounting bracket systems of select Traxxas vehicles, particularly high-performance models like the Traxxas Ford Fiesta ST Rally VXL and comparable platforms. The inclusion of multiple connector types—two 3x4mm BCS connectors and one 3x4 GS connector—reflects Traxxas's commitment to compatibility across their telemetry ecosystem. Whether you're running a brushless motor or tuning your RC car's transmission ratios, this sensor provides the objective feedback needed to validate your setup choices and identify areas for improvement. The sensor's compact footprint minimises drag and weight penalty whilst maintaining full functionality, and its installation within sensor-ready vehicles means there's no guesswork about fitment or security. For competitive racers and performance-focused bashers alike, this telemetry solution transforms subjective impressions into measurable data.
What's in the Box
- Traxxas RPM Sensor (Long) — TRX6520
- Two pieces of 3x4mm BCS connectors
- One piece of 3x4 GS connector
What You Need to Complete
- Compatible Traxxas RC car with sensor-ready gear cover and mounting bracket (such as TRX74276-4-GRN Traxxas Ford Fiesta ST Rally VXL or TRX74154-4-RED Traxxas Ford Fiesta ST Rally BL-2S)
- Traxxas telemetry-capable receiver or display system to view RPM and speed data
- Appropriate Traxxas telemetry transmitter protocol support
Frequently Asked Questions
- Which Traxxas models are compatible with the TRX6520 RPM sensor? — The Traxxas Sensor TRX6520 is compatible with sensor-ready Traxxas vehicles that feature dedicated gear covers or mounting brackets designed for telemetry hardware. Confirmed compatible models include the TRX74276-4-GRN Traxxas Ford Fiesta ST Rally VXL in green and the TRX74154-4-RED Traxxas Ford Fiesta ST Rally BL-2S in red. Always verify that your specific model has a sensor-ready configuration before purchasing, as not all Traxxas vehicles accept this hardware.
- What are the connector types, and will they work with my Traxxas telemetry system? — The package includes two 3x4mm BCS connectors and one 3x4 GS connector. These connector types are standard across Traxxas's telemetry ecosystem, so they should work with most Traxxas receivers and display systems. However, check your specific receiver's connector requirements before ordering to ensure complete compatibility.
- Does this sensor work with all brushless RC cars? — No, this sensor is specifically engineered for compatible Traxxas models with sensor-ready architecture. It will not retrofit onto non-Traxxas vehicles or older Traxxas models without the required sensor-ready gear cover and mounting bracket. This dedicated design ensures perfect fitment and reliable data transmission.
- What exactly does the RPM sensor measure, and how will it help my RC car performance? — The sensor measures motor rotations per minute in real time, allowing you to monitor actual power output during your runs. This data helps you identify throttle response issues, validate gearing choices, compare performance across different battery charge levels, diagnose mechanical problems before they become severe, and optimise your setup based on objective measurements rather than feel alone. For competitive drivers, telemetry data is invaluable for understanding track behaviour.
- Is this suitable for beginners? — Whilst this sensor can be used by anyone with a compatible Traxxas vehicle, it's most valuable for drivers with some experience who understand tuning concepts and want to optimise performance. Beginners might prioritise learning to drive first, but having telemetry available as you progress is definitely worthwhile for faster improvement.
- How do I install this sensor in my Traxxas vehicle? — Installation requires your Traxxas model to have a sensor-ready gear cover or mounting bracket already integrated into its design. You'll simply position the sensor within this bracket and secure the connectors to your compatible Traxxas receiver. Detailed installation instructions should be consulted for your specific vehicle model.
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 Traxxas Sensor, RPM (Long) TRX6520 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.
- Brand: Traxxas
- Model Number: TRX6520
- EAN: 0020334652003
- Product Type: RPM Telemetry Sensor
- Sensor Configuration: Long
- Connectors Included: Two pieces of 3x4mm BCS connectors, one piece of 3x4 GS connector
- Functionality: RPM and speed data display
- Installation Requirement: Sensor-ready gear cover or mounting bracket
- Compatible Models: TRX74276-4-GRN Traxxas Ford Fiesta ST Rally VXL Green, TRX74154-4-RED Traxxas Ford Fiesta ST Rally BL-2S Rally Car Red
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- 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.
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