AS81595

Overview

The Team Associated RC8B4 Front Upper Suspension Arms in Medium composite are precision-engineered replacement parts designed specifically for competitive 1/8 scale off-road racing. Whether you're running an RC8B4, RC8B4e, RC8B4.1, or RC8B4.1e, these front upper suspension arms represent Team Associated's latest advancement in suspension component technology. Built to exacting standards, the Medium compound arms offer a refined balance between durability and performance that serious RC racers and enthusiasts demand from their equipment.

Team Associated developed the Medium composite material specifically for 1/8 off-road racing applications after extensive testing and real-world feedback from the racing community. Compared to the standard Hard material included in the RC8B4 kit, these Medium arms feature reduced fibre content that fundamentally changes how the suspension performs across different conditions and temperatures. This isn't simply a softer arm—it's a strategically engineered component that addresses the specific challenges faced by RC car UK racers on varying terrain, from tight technical courses to high-speed circuit tracks.

These replacement arms are clearly marked with a blue dot on all parts, making them instantly recognisable and easy to identify in your pit box or workshop. Perfect for racers looking to fine-tune their chassis setup or for those who need to replace worn or damaged original components, the Medium arms from Team Associated deliver consistent performance lap after lap.

Key Features

• Medium Composite Material — Team Associated engineered these arms from a new Medium composite specifically developed for 1/8 off-road racing, offering a precisely balanced suspension feel that sits between the standard Hard material and softer options, giving you control over your car's handling characteristics.
• Increased Impact Strength — The reduced fibre content in the Medium compound paradoxically improves impact strength compared to Hard arms, meaning these components can absorb harder hits and sudden impacts without cracking or breaking, extending the lifespan of your suspension.
• Responsive Racing Feel Maintained — Unlike overly flexible suspension arms that can feel vague and unpredictable, the Medium arms retain the responsive, direct feedback that serious racers need to feel connected to their vehicle and make precise steering inputs.
• Enhanced Cold Weather Performance — These Medium arms demonstrate increased durability across a wider temperature range, particularly in cooler conditions where hard plastic becomes brittle and prone to failure, making them ideal for UK racing where temperatures can drop significantly.
• Improved Grip on Low Traction Surfaces — The added flex in the Medium compound provides forgiveness on slippery or low-grip surfaces where the car's weight transfer causes the suspension to work harder, allowing the arms to absorb movement and keep tyres planted for better traction.
• Weight Savings — Each arm weighs approximately 1.5 grams less than Hard material arms, contributing to lower unsprung weight that improves suspension response and overall vehicle handling without compromising durability.
• Easy Identification — All Medium arms feature a blue dot marking, eliminating any confusion during assembly or when comparing parts, ensuring you always know exactly which compound you're running.
• Direct OEM Replacement — These are genuine Team Associated parts that fit seamlessly into RC8B4, RC8B4e, RC8B4.1, and RC8B4.1e vehicles without modification, maintaining factory suspension geometry and performance characteristics.

Technical Performance

The RC8B4 Front Upper Suspension Arms in Medium represent an engineering philosophy that prioritises real-world performance over theoretical specifications. Team Associated's suspension engineers recognised that the standard Hard composite material, whilst durable, could be unforgiving on variable terrain and in cooler climates. By reducing fibre content in the composite matrix, they created a material that absorbs energy more effectively whilst maintaining the rigidity necessary for precision racing. The Medium compound sits at an optimal sweet spot for 1/8 off-road racing, where conditions rarely remain constant throughout a race meeting. Early grip levels, track temperature changes, and varying surface moisture all demand a suspension arm that can adapt without sacrificing control. The approximately 1.5-gram weight reduction per arm might seem minimal, but in unsprung weight applications like suspension arms, this translates directly to improved suspension articulation and faster vertical movement response. These arms are precision-moulded to exact tolerances, ensuring that both left and right arms are perfectly matched, maintaining the critical suspension geometry that determines how your RC8B4 handles in corners, accelerates out of turns, and manages weight transfer during rapid direction changes. Built from genuine Team Associated composite material and manufactured to OEM specifications, these replacement arms meet the same quality standards as factory components, giving you confidence that you're running equipment approved by the engineers who designed the RC8B4 platform.

What's in the Box

• Team Associated RC8B4 Front Upper Suspension Arms (Medium) — a pair of precision-engineered replacement front upper arms with blue dot identification markings

Frequently Asked Questions

• What's the difference between Medium and Hard suspension arms for the RC8B4? — Hard arms, which come standard in the RC8B4 kit, are designed for maximum durability and consistency in ideal racing conditions. Medium arms feature reduced fibre content, which actually improves impact strength and durability whilst adding beneficial flex that improves grip on low-traction surfaces and performs better in cooler temperatures. Medium arms weigh about 1.5 grams less per arm, contributing to lighter unsprung weight for improved suspension response.
• Will these Medium arms fit my RC8B4 or RC8B4e? — Yes, absolutely. Team Associated designed these Medium arms as direct replacements for the front upper suspension arms on RC8B4, RC8B4e, RC8B4.1, and RC8B4.1e vehicles. No modifications or adaptors are needed—they install exactly like the original arms without affecting suspension geometry.
• Are Medium suspension arms suitable for beginners? — Whilst these are genuine OEM parts that fit perfectly and work reliably, they are suspension tuning components rather than complete vehicle kits. They're best suited for racers who already own an RC8B4 platform and are looking to upgrade or replace worn suspension components. If you're new to RC cars UK racing, you'll want to start with a complete ready-to-run RC8B4 kit and learn the basics before diving into suspension tuning.
• When should I upgrade from Hard to Medium suspension arms? — Consider upgrading to Medium arms if you frequently race in cool conditions where grip levels are challenging, if you're experiencing breakage with Hard arms, or if you want to add more compliance to your suspension for better handling on varying terrain. Many competitive racers run Medium arms as their default choice because the balance of durability, grip, and feedback makes them versatile across different conditions.
• How do I identify Medium arms from other suspension components? — All Medium arms are clearly marked with a blue dot on the parts, making them instantly recognisable. Hard arms don't have this marking, so the blue dot is your visual confirmation that you're using the correct Medium compound.
• Do I need to replace both front arms, or can I mix compounds? — For optimal performance and consistent handling, you should replace suspension arms in pairs (both front left and right, or both rear left and right) so that your car responds predictably. Mixing Hard and Medium arms can create handling imbalances.

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 TEAM ASSOCIATED RC8B4 FRONT UPPER SUSPENSION ARMS - MEDIUM AS81595 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.