Traxxas Extreme Heavy-Duty Caster Blocks Left Right Blue TRX9032X

Overview

The Traxxas Extreme Heavy-Duty Caster Blocks (C-Hubs) in blue are precision-engineered replacement suspension components designed for serious RC enthusiasts who demand maximum durability and performance from their 1/10 scale vehicles. Whether you're running a Rustler 4X4 Brushless, Slash 4X4 Brushless, Stampede 4X4 Brushless, or any compatible 4WD RC truck, these heavy-duty caster blocks represent a significant upgrade over standard suspension parts. Built with extra material throughout their construction, these components are engineered to withstand the most demanding bashing sessions, competitive racing, and high-impact terrain that can destroy lesser quality suspension parts. For UK RC car enthusiasts seeking reliable, genuine Traxxas spares that will keep their trucks performing at peak efficiency, these extreme heavy-duty caster blocks are an essential upgrade.

Caster blocks are critical suspension components that connect your vehicle's steering linkage to the suspension arms and front axles. They handle immense stress during acceleration, braking, cornering, and impact with obstacles. The standard plastic caster blocks found on many RC trucks can crack or break under extreme conditions, leading to bent axles, poor handling, and costly repairs. Traxxas recognised this weakness and developed these Extreme Heavy-Duty (EHD) caster blocks with reinforced geometry and thicker wall sections specifically for users who push their RC vehicles to the limit. By upgrading to these blue caster blocks, you're investing in suspension longevity and reliability.

These replacement caster blocks are specifically engineered for use with the #9080-series Extreme Heavy Duty Upgrade Kit, making them the perfect choice if you're building out a complete heavy-duty suspension system or replacing damaged components on an existing EHD setup. The left and right pair included ensures balanced handling and geometry across both front corners of your RC truck. For anyone serious about RC trucks in the UK market, whether you're competing in local races or simply enjoying weekend bashing sessions, upgrading to genuine Traxxas extreme heavy-duty components is the smart choice.

Key Features

• Extreme Heavy-Duty Construction — These caster blocks are beefed up with extra material throughout their design, providing significantly greater strength and durability compared to standard caster blocks, ensuring they can withstand pounding impacts and aggressive driving without cracking or breaking.
• Precision Engineering — Manufactured by Traxxas to exacting tolerances, these components maintain perfect suspension geometry and alignment for optimal handling characteristics and consistent performance across varied terrain.
• Left and Right Pair — The package includes both left and right caster blocks, allowing you to replace damaged components or upgrade your entire front end suspension at once for balanced performance on both sides of your vehicle.
• Compatible with #9080 Upgrade Kit — These caster blocks are specifically designed for use with the 9080-series Extreme Heavy-Duty Upgrade Kit, forming part of a complete heavy-duty suspension system engineered to work together seamlessly.
• Genuine Traxxas Parts — As official Traxxas components, these caster blocks are manufactured to the same high standards as your vehicle and are guaranteed to fit perfectly and perform reliably without modification.
• Reinforced Geometry — The extra material is strategically placed to reinforce stress points where caster blocks are most likely to fail, particularly around hinge pin bosses and mounting areas that experience the greatest loads during driving.
• Traxxas Aluminium Accessory Compatible — These extreme heavy-duty caster blocks are also compatible with Traxxas aluminium accessories, allowing you to mix and match components as you customise your RC truck to suit your driving style and terrain preferences.
• Included Hardware — The package includes all necessary fasteners: 3x32mm hinge pins and 3x20mm screws, providing everything needed for immediate installation without hunting for additional parts.

Technical Performance

The Traxxas Extreme Heavy-Duty Caster Blocks represent the pinnacle of suspension component engineering for 1/10 scale RC trucks in the UK and worldwide. Built from durable polymer composite material, these components are engineered with extra material density compared to standard caster blocks, resulting in superior impact resistance and longevity under extreme bashing and racing conditions. The caster block design is critical to suspension geometry—it connects the steering system to the suspension arms and carries the vehicle's weight whilst transmitting steering inputs. Standard caster blocks often fail under high-speed impacts or aggressive landings, leading to bent suspension arms and poor handling. Traxxas addressed this weakness by developing these extreme heavy-duty versions with reinforced bosses around the hinge pin mounting areas, where the greatest stress concentrations occur. The reinforced geometry also protects against the twisting and flexing that can cause misalignment and handling issues. These caster blocks maintain precise tolerances to ensure your suspension geometry remains within specification, which is essential for consistent handling characteristics and predictable vehicle behaviour. When paired with the #9080-series Extreme Heavy-Duty Upgrade Kit components, they form a complete suspension system engineered to work together for maximum strength and reliability. The left and right caster blocks are engineered as a matched pair to ensure symmetrical handling across both front corners of your vehicle. Installation requires the included 3x32mm hinge pins and 3x20mm screws, which are precision-manufactured to Traxxas specifications for proper fit and durability.

What's in the Box

• Extreme Heavy-Duty Caster Blocks (Left and Right)
• 3x32mm Hinge Pins (2)
• 3x20mm Screws (2)

Compatibility

• Designed for use with #9080-series Extreme Heavy-Duty Upgrade Kit only
• Compatible with Traxxas aluminium accessories
• Replacement part for: Rustler 4X4 Brushless, Slash 4X4 Brushless, Stampede 4X4 Brushless
• Accessory part for: Ford F-150 Raptor R 4X4, Hoss 4X4 VXL, Rustler 4X4 VXL, Slash 4X4, Slash 4X4 Ultimate, Slash 4X4 VXL, Ford F-150 Raptor R 4X4

Frequently Asked Questions

• Will these caster blocks fit my standard Traxxas 4WD truck? — These extreme heavy-duty caster blocks are specifically engineered for use with the #9080-series Extreme Heavy-Duty Upgrade Kit and are not compatible with standard suspension parts. They feature different mounting geometry and hinge pin sizing than standard caster blocks, so they cannot be fitted to vehicles running standard suspension components. If your truck uses standard suspension, you'll need to upgrade to the complete #9080 EHD kit for compatibility.
• What vehicles can use these extreme heavy-duty caster blocks? — These caster blocks are direct replacement parts for the Rustler 4X4 Brushless, Slash 4X4 Brushless, and Stampede 4X4 Brushless. They are also compatible as accessory upgrade parts for the Ford F-150 Raptor R 4X4, Hoss 4X4 VXL, Rustler 4X4 VXL, Slash 4X4, Slash 4X4 Ultimate, Slash 4X4 VXL, and other Traxxas 4WD models. Consult your vehicle's manual to confirm compatibility with your specific model.
• Why should I upgrade to extreme heavy-duty caster blocks? — Standard caster blocks are the weakest link in most 4WD RC truck suspension systems and frequently break under high-impact landings, aggressive bashing, or competitive racing. Traxxas engineered these extreme heavy-duty versions with extra material strategically placed at stress points, dramatically increasing their strength and durability. By upgrading to these EHD caster blocks, you'll experience fewer suspension failures, more consistent handling geometry, and better overall reliability during demanding driving sessions. They're an investment in peace of mind and reduced repair costs.
• What hardware is included with these caster blocks? — The package includes everything you need for installation: two 3x32mm hinge pins and two 3x20mm screws. These precision fasteners are engineered to Traxxas specifications for proper fit and durability. Simply remove your old caster blocks, install these new ones using the included hardware, and you're ready to drive. No additional tools or parts are required beyond standard RC vehicle maintenance equipment.
• Can I use these with Traxxas aluminium accessories? — Yes, these extreme heavy-duty caster blocks are compatible with Traxxas aluminium accessories, allowing you to customise your suspension with a mix of durable polymer and lightweight aluminium components. Many users combine EHD polymer caster blocks with aluminium suspension arms or other accessories to achieve their desired balance of weight, strength, and performance characteristics.
• How do caster blocks affect my RC truck's handling? — Caster blocks connect your steering system directly to your suspension arms and carry your vehicle's weight whilst transmitting steering inputs. When caster blocks bend, crack, or wear out, your suspension geometry changes, leading to poor steering response, uneven tyre wear, and unpredictable handling. These extreme heavy-duty caster blocks maintain precise geometry under stress, ensuring your suspension alignment stays within specification for consistent, predictable handling characteristics across all driving conditions.

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 Caster blocks (c-hubs), extreme heavy duty, Blue (left & right) / 3x32mm hinge pins (2) / 3x20mm BCS (2) (for use with #9080 upgrade kit) TRX9032X 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.