TRX8968X

Overview

The Traxxas Spring retainer (adjuster) for GT-Maxx shocks is an essential suspension tuning component designed to enhance both the performance and aesthetics of your Traxxas RC vehicle. Whether you're running a Maxx Slash brushless short course truck, a Spartan VXL marine racer, or a WideMaxx monster truck, these blue-anodised aluminium spring retainers deliver precise ride-height adjustments that serious RC enthusiasts demand. This is the perfect upgrade for anyone looking to fine-tune their suspension setup and maintain consistent performance across varied terrain.

Built from premium machined aluminium and finished in an eye-catching blue anodised coating, these spring retainers are not just functional—they add genuine style to your RC car setup. The set includes four retainers (one for each shock), each assembled with an integrated O-ring to ensure your adjustments stay locked in place, eliminating frustrating spring height drift during intense driving sessions. Installation is straightforward and takes just seconds, making this an accessible suspension upgrade even for those new to RC tuning. If you're serious about getting the most from your Traxxas RC model, these GT-Maxx shock retainers are a smart investment.

For RC enthusiasts in the UK looking to optimise their suspension and add a touch of professional aesthetics to their vehicle, these spring retainers deliver real value. Available as a four-piece set (TRX8968X), they're compatible with a wide range of Traxxas models including the latest brushless generation. The bright blue anodised finish coordinates perfectly with various body colours and gives your RC car that custom-tuned appearance that catches attention at the track or the bash spot.

Key Features

• Premium Machined Aluminium Construction — Each spring retainer is precision-machined from quality aluminium, ensuring durability and exact fit. This material choice provides the strength needed for demanding off-road driving while keeping weight to a minimum, which directly improves suspension responsiveness and overall vehicle dynamics.
• Blue Anodised Finish — The bright anodised coating not only protects the aluminium from corrosion and wear, but also adds visual appeal to your suspension setup. The vibrant blue colour complements modern Traxxas designs and gives your RC car a polished, professional appearance that reflects genuine care and attention to detail.
• Integrated O-Ring Design — Each retainer comes pre-assembled with a precision O-ring that locks your spring height adjustment in place. This prevents unwanted movement and ensures your carefully dialled-in suspension settings remain consistent lap after lap, run after run, without frustrating slippage or drift.
• Precise Ride-Height Adjustment — The machined design allows for infinitesimal adjustments to your shock spring height, enabling you to dial in the perfect ride attitude for different track conditions, driving styles, and terrain. This level of tuning control is essential for competitive drivers and those who want maximum performance from their brushless RC vehicles.
• Quick Installation — These retainers install in seconds without special tools or complex procedures. Simply thread them onto your GT-Maxx shocks and adjust to your desired height—perfect for drivers who want suspension tuning capability without spending hours on setup.
• Four-Piece Set — The package includes four retainers (one for each shock), so you have everything needed to upgrade your complete suspension geometry. Having matched sets ensures consistent ride height across all four corners of your RC car.
• OEM Traxxas Quality — As official Traxxas TRX8968X parts, these retainers are engineered to exact specifications and manufactured to the quality standards expected from the world's leading RC brand. You're getting genuine Traxxas engineering, not aftermarket substitutes.

Technical Performance

The Traxxas Spring retainer (adjuster) represents serious engineering for suspension tuning. These retainers are machined from aerospace-grade aluminium and anodised to create a hard, corrosion-resistant surface that withstands the rigours of competitive racing and aggressive bashing. The integrated O-ring assembly ensures that your suspension adjustments remain stable even under the extreme forces generated by a brushless motor and high-capacity LiPo battery system. The machined design tolerances are precise enough to allow micro-adjustments to your ride height, making these essential tools for dialling in your GT-Maxx shocks. Whether you're running a 6S brushless Maxx Slash short course truck, an 8S Spartan marine racer, or a brushless WideMaxx monster truck, these retainers provide the suspension control needed to extract maximum performance. The blue anodised finish is not merely cosmetic—the anodising process creates a protective oxide layer that resists oxidation, salt spray, and UV degradation, ensuring your retainers maintain their appearance and function through countless driving sessions. The four-piece set covers all four shocks on your vehicle, providing uniform suspension geometry and balanced handling characteristics. Installation is tool-free and takes under a minute per shock, making suspension adjustments and experimentation quick and accessible.

What's in the Box

• Four spring retainers (adjusters) in blue-anodised aluminium
• Each retainer pre-assembled with integrated O-ring
• Compatible with GT-Maxx shock absorbers

Frequently Asked Questions

• What vehicles are these spring retainers compatible with? — These Traxxas TRX8968X retainers are designed specifically for GT-Maxx shocks and are compatible with multiple Traxxas models including the Maxx Slash 1/8 4WD 6S brushless short course trucks (available in Rock N Roll, Blue, Red, and Green colours), the Spartan 2.4GHz TSM VXL-6S marine racer in various colours, the Spartan SR VXL 1/10 electric brushless race boat in Green, Red, and Orange, and the WideMaxx 1/10 monster truck in Rock N Roll, Green, and Red variants. Check your vehicle documentation or contact our team to confirm compatibility with your specific model.
• Will these retainers improve my RC car's performance? — Yes, but in a specific way. These retainers don't add power or speed directly—instead, they enable precise suspension tuning by allowing you to adjust your shock spring heights to match different track conditions and driving styles. Proper ride height improves traction, reduces body roll, and optimises handling, which can absolutely translate to faster lap times and more enjoyable driving. They're essential for competitive drivers and serious enthusiasts who want to extract maximum performance from their brushless RC cars.
• Are these difficult to install? — Not at all. These retainers install in seconds with no special tools required. Simply thread them onto your GT-Maxx shock bodies and adjust to your desired height. The integrated O-ring holds your adjustment in place, so once you've set it, it stays where you want it. Even beginners can manage installation and basic suspension tuning with these retainers.
• Do I need all four retainers? — Yes, the TRX8968X set includes four retainers specifically because most Traxxas RC vehicles have four shock absorbers (one at each corner). Using a complete matched set of four ensures uniform ride height across your vehicle for balanced handling and consistent performance. Using fewer than four would create uneven suspension geometry and negatively impact handling.
• What does the integrated O-ring do? — The O-ring is pre-assembled on each retainer and prevents your spring height adjustment from slipping or moving during driving. Without the O-ring, vibration and impacts could cause your carefully-dialled settings to drift. The O-ring holds your adjustment locked in place, ensuring your suspension maintains the geometry you set.
• Will these work with other brands of shocks? — These retainers are specifically designed for Traxxas GT-Maxx shocks, which feature a proprietary thread design. They are not universal and should not be used with other shock absorbers. Always verify that your shocks are genuine Traxxas GT-Maxx units before installation.
• Can I adjust my ride height multiple times? — Absolutely. The adjustable design is specifically engineered for experimentation. You can adjust your spring height between runs to optimise for different conditions, test different setups, and dial in the perfect suspension geometry for your driving style. This adjustability is one of the key advantages of these retainers over fixed-height alternatives.

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 Spring retainer (adjuster), Blue-anodised aluminium, GT-Maxx shocks (4 pcs) (assembled with o-ring) TRX8968X 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.