Etronix Sport Tuned Modified 15T Brushed RC Motor with Ball Bearings ET0305

Overview

The Etronix Sport Tuned Modified 15T Brushed Motor (ET0305) is a straightforward yet effective performance upgrade for your brushed RC car setup. Whether you're running a 1/10 scale RC buggy, RC crawler, or stadium truck, this motor delivers improved performance over stock units whilst remaining accessible to enthusiasts of all skill levels. Part of the extensive Etronix Sport Tuned range, this 15T variant is specifically engineered for higher-rev applications, making it ideal if you're looking for increased speed and responsiveness without the cost and complexity of switching to brushless technology.

Brushed motors remain popular in the RC hobby for good reason: they're reliable, affordable, and easy to work with. The 15-turn winding on this motor strikes an excellent balance, offering a genuine step up from factory stock units. If you're based in the UK and searching for a quality brushed motor upgrade for your RC car, this Etronix motor represents outstanding value. It's particularly suited to bashers and weekend warriors who want better performance without the investment required for brushless conversion, and it's compatible with a wide range of 1/10 scale RC vehicles.

Etronix has built a strong reputation in the RC hobby for delivering products that punch above their price point, and this Sport Tuned motor is no exception. The design philosophy here is practical: give users the essential performance upgrades they need – better internals, serviceable components, and reliable operation – without unnecessary complexity. You'll notice the difference immediately when you install this motor into your RC car.

Key Features

• Rebuildable Can and Endbell Design — The motor housing and endbell are designed to come apart for cleaning and maintenance, which means you can keep your motor running smoothly over many seasons of use. This is far superior to sealed, non-serviceable designs that force you to replace the entire motor when wear accumulates.
• Ball Bearing Construction — Precision ball bearings are fitted throughout the motor, ensuring smooth, efficient rotation with minimal friction. This translates to better power delivery and longer component lifespan compared to motors using cheaper plastic bushings.
• Replaceable Brushes and Springs — The brushes and springs are modular components that can be swapped out individually as they wear. This extends the motor's working life dramatically and means you won't need to buy a new motor every season – just replace the wear items. It's an economical approach to motor maintenance.
• Sport Tuned Modified 15T Wind — The 15-turn winding provides the optimal balance between torque and top speed for general-purpose racing and bashing in 1/10 scale RC cars. Higher turn counts (like 27T or 35T) give more torque for crawling and heavy vehicles, whilst lower turns (like 13T) prioritise speed; 15T splits the difference effectively.
• Scalable Range with Multiple Wind Options — Etronix produces this same motor in winds ranging from 13T through to 55T, so you can choose the exact specification that matches your vehicle type and driving style. This flexibility means the Sport Tuned range covers everything from high-speed pan cars to slow-crawling rock crawlers.

Technical Performance

The Etronix Sport Tuned Modified 15T motor is engineered for reliable, consistent performance in mid-sized RC applications. The 15-turn winding is the sweet spot for 1/10 scale RC cars that demand a blend of acceleration and top speed – think stadium trucks, buggies, and general-purpose bashers. The motor's use of quality ball bearings throughout ensures that power is delivered efficiently to your drivetrain with minimal energy loss to friction. The rebuildable construction is a significant engineering choice: rather than sealing the motor and forcing replacement when components wear, Etronix has designed this unit so you can open the can, clean the commutator (the rotating contact that distributes power to the windings), and replace brushes as needed. This approach is standard in competition RC but often overlooked in budget-friendly motors. The brushes and springs are the wear items you'll replace most frequently, typically after 10-20 hours of heavy use depending on driving style and track surface. By making these user-replaceable, Etronix has created a motor that actually becomes more economical over time than cheaper sealed alternatives. The ball bearing support points mean the rotor spins true and smooth, delivering power consistently rather than binding or stuttering. For UK RC enthusiasts building budget-conscious setups or upgrading existing brushed vehicles, this motor delivers solid engineering without breaking the bank.

What's in the Box

• Etronix Sport Tuned Modified 15T Brushed Motor (ET0305)

What You Need to Complete

• Soldering iron and solder — wires are not pre-attached and must be soldered to the motor terminals
• Motor pinion and spur gears matched to your vehicle's gearbox
• Compatible brushed speed controller (ESC) rated for your battery voltage
• Battery pack (typically 2S or 3S LiPo, or NiMH equivalent depending on your vehicle)
• RC car chassis compatible with this motor size
• Replacement brushes (Etronix part ET0318) for future maintenance

Frequently Asked Questions

• Does the Etronix Sport Tuned 15T motor come with pre-soldered wires? — No, this motor does not come with wires attached. You'll need to solder your own power leads to the motor terminals before installation. This is a standard practice with brushed motors and takes only a few minutes with basic soldering equipment. If you're unfamiliar with soldering, most RC shops (including RC Model Shop) can solder wires for you as a service.
• Is this motor suitable for beginners? — Yes, absolutely. Brushed motors like this are far more beginner-friendly than brushless systems. There's no programming required, no complex ESC setup, and if something goes wrong, repairs are straightforward. The rebuildable design means you can learn to service the motor yourself. The 15T wind is versatile enough to work in most 1/10 scale RC cars, making it an excellent stepping stone into the hobby.
• What battery does the Etronix Sport Tuned 15T need? — Battery compatibility depends on your specific vehicle and brushed ESC. Most 1/10 scale brushed setups use either 2S LiPo (7.4V) or 3S LiPo (11.1V), or the NiMH equivalent (6-cell or 8-cell). Check your vehicle manual or speed controller documentation to determine which battery voltage your setup supports. Never use a battery voltage higher than your ESC is rated for.
• How long does this motor last before needing replacement? — With proper maintenance, this motor will last for many seasons. The brushes and springs typically wear out after 10-20 hours of heavy use and are inexpensive to replace (Etronix sells replacement brushes as part ET0318). The motor can itself last for hundreds of hours if kept clean and serviced. Far superior longevity compared to sealed non-serviceable motors.
• How does the 15T wind compare to other turns? — Within the Sport Tuned range, lower turns (13T, 14T) provide faster top speed but less torque – ideal for high-speed pan cars and carpet racing. The 15T is a balanced all-rounder, perfect for general bashing and mixed terrain. Higher turns (27T, 35T, 55T) prioritise torque over speed, making them better for crawling, heavy vehicles, and technical terrain. Choose based on your intended use: speed-focused = lower turns; torque-focused = higher turns.
• Will this fit my RC car? — The Etronix Sport Tuned motors are standard 540-size brushed motors and will fit any 1/10 scale RC vehicle designed for brushed motors. However, different vehicles use different motor mounts and pinion gear sizes. If you're unsure whether this motor will work with your specific vehicle (e.g. FTX Comet, Carnage 2.0, etc.), contact RC Model Shop's expert team for confirmation before purchasing.
• What makes this better than cheaper no-name brushed motors? — The Sport Tuned range combines three key advantages: ball bearing support (smoother, more efficient), rebuildable design (longer lifespan, user-serviceable), and replaceable brushes (economical maintenance). Cheap sealed motors offer none of these. You're paying for engineering that pays dividends over the life of ownership.

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 15T BRUSHED MOTOR ET0305 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.