eTronix Sport Tuned Modified 13T Brushed Motor 540 Size ET0304

Overview

The eTronix Sport Tuned Modified 13T Brushed Motor (ET0304) represents an excellent upgrade path for RC enthusiasts looking to move beyond stock brushed motors without breaking the bank. Whether you're running an RC car UK-based or competing at your local track, this sport tuned motor delivers noticeable performance improvements whilst maintaining the simplicity and ease of maintenance that makes brushed motors so popular with hobbyists. Part of eTronix's Sport Tuned range, this motor is specifically engineered to offer smooth, reliable performance that keeps your vehicle on track and ready for action, lap after lap.

This 13T modified brushed motor is perfect for drivers who want a cost-effective performance upgrade that doesn't require extensive technical knowledge to install or maintain. The Sport Tuned philosophy focuses on delivering practical improvements — better efficiency, smoother running characteristics, and serviceability — rather than chasing marginal gains that demand constant adjustment. If you're stepping up from a completely stock setup or switching between RC vehicles, the eTronix 13T offers the ideal balance of performance and user-friendliness that makes RC car racing enjoyable and stress-free.

Unlike complex brushless systems that require specialist ESCs and careful battery management, this brushed motor integrates seamlessly into existing setups and can be serviced at home with basic tools. The rebuildable design means you're not locked into expensive replacements — routine maintenance keeps the motor running like new, making it a smart investment for both weekend bashers and regular competitors alike.

Key Features

• Rebuildable Can and Endbell Design — The motor's can and endbell are fully rebuildable, meaning you can access internal components for cleaning, maintenance and replacement without discarding the entire motor. This longevity focus keeps your costs down over time and ensures consistent performance between rebuilds.
• Ball Bearings for Smooth Running — High-quality ball bearings support the motor's rotation, eliminating the friction and inconsistency that can plague cheaper sleeve-bearing designs. Smooth, efficient rotation translates directly to better throttle response and more predictable handling characteristics on track.
• Replaceable Brushes and Springs — Worn brushes are the main cause of brushed motor decline, but with the eTronix Sport Tuned design, replacing them is straightforward and affordable. New springs ensure proper brush pressure and contact, maintaining peak performance without requiring a complete motor replacement.
• Sport Tuned Modified Performance Upgrade — This motor represents a step up from basic stock brushed motors, with internal tuning that improves efficiency and power delivery. The Sport Tuned specification balances cost with genuine performance gains, making it an ideal upgrade for drivers ready to progress beyond entry-level setups.
• Standard 540 Size Compatibility — At standard 540 size, this motor fits seamlessly into the vast majority of RC car platforms, buggies, truggy designs and racing setups available in the UK market. You won't need custom mounts or exotic adapters — drop-in installation is the norm.
• 13T Wind Configuration — The 13-turn armature winding strikes an optimal balance between torque and top-end speed, making this motor equally suited to track racing, short course competition and general bashing. With winds available from 13T through to specialist crawler specifications at 70T, eTronix offers a motor for every application.

Technical Performance

The eTronix Sport Tuned Modified 13T Brushed Motor delivers solid performance across the board, engineered with attention to the details that matter most to RC enthusiasts in the UK and beyond. The standard 540 motor size ensures universal compatibility with the vast majority of RC vehicles — whether you're running a 2WD buggy, 4WD truggy, or monster truck, this motor will fit without modification. The 13T armature configuration provides an excellent middle ground, offering sufficient torque for acceleration and climbing whilst maintaining responsive top-end performance. The ball bearing construction ensures efficient power transfer with minimal mechanical loss, translating every milliwatt from your battery into forward motion. Internal tuning throughout the motor's design — from field magnet strength to brush geometry — has been optimised to deliver smooth, predictable power delivery that responds consistently to throttle input, making the motor equally at home in competitive racing or casual weekend bashing. The rebuildable architecture means the motor will continue performing at its peak through multiple rebuild cycles, with worn components easily replaced rather than the entire assembly discarded. This is engineering that respects both your budget and your time, delivering genuine upgrades without unnecessary complexity.

What's in the Box

• eTronix Sport Tuned Modified 13T Brushed Motor (ET0304)

Frequently Asked Questions

• What size is the eTronix Sport Tuned 13T motor? — This is a standard 540-size motor, the most common brushed motor format used across RC cars, buggies, trucks and crawlers throughout the UK. Standard 540 size ensures compatibility with virtually all RC platforms designed for brushed motors.
• How does the eTronix Sport Tuned 13T compare to stock brushed motors? — The Sport Tuned modified specification delivers noticeable improvements in efficiency, smoothness and overall performance compared to basic stock motors. You'll experience better throttle response, more consistent acceleration and improved reliability. The cost difference is modest, making this an excellent upgrade path for anyone ready to move beyond entry-level setups.
• Is this motor suitable for beginners to RC? — Yes, absolutely. Brushed motors are inherently beginner-friendly compared to brushless alternatives, requiring no specialist ESC or complex battery management. The eTronix Sport Tuned design adds genuine performance without adding complexity. If you can drive an RC car with a stock motor, you can drive one with this upgraded motor immediately — no learning curve required.
• Can I service and maintain this motor myself? — Completely. The rebuildable can and endbell design means you have full access to internal components. Replacing brushes and springs — the main wear items — is straightforward and requires only basic tools. This is one of the major advantages of brushed motors over sealed brushless alternatives. Routine cleaning and maintenance will keep your Sport Tuned motor performing like new for years.
• What battery should I use with the eTronix 13T motor? — The motor will operate with standard brushed motor battery setups. Consult your vehicle's manual or ESC documentation for specific voltage and chemistry recommendations, as these vary by platform. The Sport Tuned design is compatible with both NiMh and LiPo battery systems commonly used in RC cars across the UK.
• How many turns is the 13T configuration? — The 13T refers to a 13-turn armature winding, which delivers the optimal balance of torque and speed for general-purpose RC racing and bashing. eTronix offers the Sport Tuned range in winds from 13T through to 70T for specialist applications, allowing you to choose the exact specification for your racing discipline or vehicle type.
• What makes the rebuildable design valuable? — Rather than discarding an entire motor when components wear, you can rebuild it affordably, keeping your expensive motor on the track and in service. Over time, this significantly reduces operating costs and aligns with sustainable, practical RC hobby engagement. Rebuilds maintain consistency and performance, ensuring your motor doesn't gradually decline as wear accumulates.

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 ETRONIX SPORT TUNED MODIFIED 13T BRUSHED MOTOR ET0304 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.