Traxxas Progressive-1 Rocker Arm Set Suspension Tuning Component TRX5357

Overview

The Traxxas Rocker Arm Set Progressive-1 (90-T) is a premium suspension tuning component designed for serious RC enthusiasts who want to optimise their vehicle's handling characteristics. This genuine Traxxas spare part is essential for fine-tuning your RC car's suspension geometry and performance on the track or bashing terrain. Whether you're running a Traxxas Revo, Slayer, or other compatible model, progressive rocker arms are the key to unlocking superior suspension performance and responsive handling that will transform your RC driving experience across the UK.

Progressive rocker arms determine how much the compressive force at the wheel will vary with suspension travel, making them one of the most critical tuning components in modern RC suspension design. The Progressive-1 rate offers the softest progressive rate available in the Traxxas rocker arm lineup, making it ideal for drivers who prefer a more compliant suspension setup that absorbs impacts and maintains traction over rough, undulating terrain. With Traxxas's advanced progressive geometry engineering built into the rockers, you can easily adjust your vehicle's handling characteristics by simply bolting on a new set—no complex modifications required. This makes upgrading or tuning your RC suspension as straightforward and reliable as you'd expect from Traxxas, the world's leading manufacturer of ready to run RC cars and trucks.

The beauty of the Traxxas progressive rocker system is its simplicity and effectiveness. By choosing between three progressive rates (1 being the softest and 3 being the stiffest), you can dial in exactly the handling balance you need for your driving style and terrain conditions. Whether you're a competitive racer looking for the ultimate performance edge, a weekend basher seeking maximum durability, or an RC enthusiast exploring suspension tuning for the first time, the Progressive-1 rocker arm set gives you professional-grade suspension adjustment at an accessible price point. This is genuine Traxxas engineering at its finest.

Key Features

• Progressive-1 Rate Design — The softest progressive rate in the Traxxas lineup provides the most compliant suspension behaviour, allowing greater suspension travel and wheel articulation. This is perfect for drivers who prioritise traction and impact absorption over aggressive cornering response, making it ideal for bashing, rock crawling, or terrain with significant bumps and obstacles.
• Progressive Geometry Engineering — Traxxas's proven progressive geometry determines how suspension stiffness increases as the wheel moves upward through its travel. This intelligent design provides a smooth, progressive spring rate curve that delivers predictable, responsive handling throughout the entire suspension range, giving you superior control in all driving conditions.
• Easy Installation — Simply bolt the new rocker arms onto your existing suspension—no complex modifications, special tools, or extensive mechanical knowledge required. This plug-and-play approach to suspension tuning means you can experiment with different progressive rates and find your perfect setup in minutes rather than hours.
• Three-Rate System for Complete Tuning Control — Traxxas offers Progressive-1, Progressive-2, and Progressive-3 rocker arms, allowing you to fine-tune your vehicle's suspension stiffness and handling response. Decreasing to the softer Progressive-1 from stock Progressive-2 rockers, or upgrading to the stiffer Progressive-3, is as simple as swapping rocker arms. This modular approach gives competitive and recreational drivers complete suspension customisation without requiring multiple vehicles.
• Compatible with Traxxas Models — Designed specifically for Traxxas vehicles including the Revo and Slayer platforms, these rocker arms are engineered to OEM specifications and integrate seamlessly with your existing suspension architecture for guaranteed fit and performance.
• Genuine Traxxas Spare Part — This is authentic Traxxas engineering and manufacturing, ensuring the highest standards of quality, durability, and compatibility. You're investing in genuine Traxxas reliability and performance, not counterfeit copies that may compromise your vehicle's handling and safety.

Technical Performance

The Traxxas Progressive-1 Rocker Arm Set represents the culmination of decades of off-road and on-road RC engineering expertise. The rocker arm assembly is a critical suspension component that directly affects how your vehicle responds to terrain inputs, maintains traction through corners, and absorbs impacts from rough ground. The Progressive-1 rate is engineered with the softest progressive curve in the Traxxas range, meaning the suspension feels most compliant at the beginning of travel and gradually stiffens as the wheel moves upward. This progressive characteristic prevents the suspension from bottoming out excessively while maintaining excellent small-bump compliance—perfect for drivers who want maximum traction and forgiving suspension behaviour. The 90-T designation indicates this is a precision-engineered component manufactured to tight tolerances using high-quality materials selected for durability and consistency. Unlike aftermarket alternatives, Traxxas rocker arms are designed and tested by the engineers who developed the suspension geometry of your vehicle, ensuring perfect integration and predictable performance. The difference in handling between progressive rates is subtle but significant—switching from Progressive-2 to Progressive-1 will noticeably soften your suspension response, improve compliance over small bumps, and increase wheel articulation, whilst maintaining the geometric integrity of the suspension. This is suspension tuning for serious RC enthusiasts who understand that tiny adjustments in suspension geometry yield measurable improvements in handling precision and on-track competitiveness. Whether you're running on asphalt, dirt, carpet, or mixed terrain across the UK, the Progressive-1 rocker arms deliver the suspension response profile you've dialled in.

What's in the Box

• Traxxas Progressive-1 Rocker Arm Set (90-T)
• Complete set of rocker arms ready for installation

What You Need to Complete

• Compatible pushrod assembly — Use Traxxas #5318 or #5318X pushrod (sold separately)
• Your compatible Traxxas vehicle with appropriate suspension platform
• Basic RC maintenance tools for installation

Frequently Asked Questions

• What is the difference between Progressive-1, Progressive-2, and Progressive-3 rocker arms? — Progressive-1 offers the softest rate and most compliant suspension response, making it ideal for traction-focused driving and rough terrain. Progressive-2 is the stock rate on many Traxxas vehicles, offering a balanced blend of compliance and responsiveness. Progressive-3 is the stiffest rate, reducing body lean and brake dive whilst providing the most responsive, precise handling for competitive racing. Your choice depends on your driving style, terrain, and desired handling characteristics.
• Will these rocker arms fit my Traxxas RC car? — These Progressive-1 rocker arms (part number TRX5357) are designed for Traxxas vehicles with compatible suspension platforms, including the Revo and Slayer. Confirm your vehicle's compatibility before purchase. You'll also need to use Traxxas pushrod #5318 or #5318X with this rocker arm set.
• Do I need new pushrods when I change rocker arms? — Yes, if you're upgrading from stock rockers to Progressive-1, you must use compatible pushrods. For the Progressive-1 set, use Traxxas pushrod #5318 or #5318X. This requirement ensures proper suspension geometry and prevents binding or misalignment.
• How difficult is it to install new rocker arms? — Installation is straightforward for anyone with basic RC mechanical knowledge. You simply unbolt the old rocker arms and bolt on the new ones. No complex alignment or geometry calculations required. Most users can complete the swap in 15-30 minutes. If you're new to RC suspension work, your local RC hobby shop or RC Model Shop can guide you through the process.
• What's the advantage of the Progressive-1 over stock rocker arms? — The Progressive-1 provides a softer, more progressive suspension curve compared to the stock Progressive-2 rate. This delivers improved small-bump compliance, better traction over rough terrain, increased wheel articulation, and more forgiving handling characteristics. If your current setup feels too stiff or you're struggling to maintain grip over bumps, the Progressive-1 rate is an excellent tuning choice.
• Will changing rocker arms affect my vehicle's speed? — Rocker arms don't directly affect top speed, but they significantly influence handling precision, traction delivery, and corner speed. By optimising your suspension geometry with the right progressive rate, you may actually improve your on-track performance through better traction management and more predictable handling.
• Is this suitable for beginners? — Rocker arms are an intermediate-level suspension tuning component. Beginners can certainly use them, but should understand basic suspension principles before making changes. If you're new to RC, consider learning the fundamentals with your stock setup first, then experiment with progressive rates as you develop your skills and understanding of suspension tuning.

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 Rocker Arm Set Progressive-1 (90-T) TRX5357 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.