VITAVON CNC Alu7075 Front/Rear bulkhead, Front & Rear hubs For Arrma Kraton 6S Big Rock 6S BLX - Vitavon VITAR330505/AR310854/ARA330830

Overview

The VITAVON CNC Alu7075 Front/Rear Bulkhead and Hub upgrade kit is a premium performance enhancement designed specifically for ARRMA 6S monster trucks and short course trucks. This is a must-have upgrade for serious RC enthusiasts in the UK who demand the ultimate in durability, strength and reliability from their brushless RC vehicles. Whether you're bashing on weekends or competing at the track, this aluminium upgrade transforms the structural integrity of your ARRMA Kraton 6S, Big Rock 6S BLX, Mojave 6S, Typhon 6S, Notorious 6S, Senton, Felony 6S, Fireteam 6S, Limitless 6S or Outcast, ensuring your RC car UK setup can handle the demands of serious driving.

VITAVON is recognised worldwide for precision-engineered CNC aluminium upgrades that enhance performance and longevity. This complete bulkhead and hub package represents the gold standard in aftermarket upgrades for ARRMA 6S vehicles, providing the reinforcement that stock plastic parts simply cannot match. The kit includes premium components designed to work together seamlessly, creating a stronger, more durable chassis that resists damage from high-speed impacts and aggressive driving styles.

If you own an ARRMA Kraton 6S, Big Rock 6S BLX or any compatible 6S model, upgrading to these VITAVON aluminium bulkheads and hubs is one of the most effective ways to extend the life of your RC investment and improve overall performance. This is not merely a cosmetic upgrade—it's an engineering solution that addresses the weak points of the stock plastic components with proven, high-strength aluminium construction.

Key Features

• Premium 7075 Aluminium Construction — This kit is manufactured from high-quality 7075-T6 aluminium, one of the strongest and most durable aluminium alloys available in the RC hobby. The material provides superior strength compared to stock plastic bulkheads and hubs, meaning your RC vehicle can withstand harder crashes, faster acceleration and more aggressive cornering without sustaining damage. This is the same material used in aerospace applications, making it ideal for demanding RC applications.
• CNC Precision Engineering — Every component in this kit is manufactured using a 3D CNC process, ensuring perfect tolerances, exact fitment and consistent quality across every unit. This precision manufacturing eliminates the weak points of injection-moulded plastic parts and delivers components that integrate perfectly with your ARRMA 6S vehicle without any modifications or adjustments needed.
• Oversized Front Bearings (5x13x4mm) — The kit features upgraded front bearings that are larger than the stock 5x11x4mm bearings, providing increased load capacity and improved rotational efficiency. Oversized bearings reduce friction, lower operating temperatures and extend bearing life, which is critical when running at high speeds or during extended driving sessions. This upgrade directly contributes to smoother handling and longer component lifespan.
• Front and Rear Bulkhead Pair — This kit includes both front and rear bulkheads, so you get complete structural reinforcement of the main chassis mounting points. Rather than upgrading just the front end, this comprehensive approach ensures balanced strength throughout the chassis, preventing failure at the rear bulkhead while the front is reinforced.
• Front and Rear Hub Carriers — In addition to bulkheads, the kit includes longer front and rear hub carriers (knuckles), which are also manufactured from the same high-strength 7075 aluminium. These components feature upgraded bearing bosses designed to accommodate the larger oversized bearings, creating a complete upgrade system rather than a partial solution.
• Upgraded Bearing Bosses and Mounting Hardware — The longer hub carriers come equipped with larger bearing bosses and include upgraded screw nuts, ensuring all components remain securely fastened even under extreme driving conditions. The additional material and improved bearing seat design distribute forces more evenly, reducing stress concentrations that lead to premature failure.
• Universal Compatibility Across ARRMA 6S Range — This kit is confirmed compatible with the Kraton 6S, Big Rock 6S BLX, Mojave 6S, Typhon 6S, Notorious 6S, Senton, Felony 6S, Fireteam 6S, Limitless 6S, Outcast and the new Kraton 6S EXB ARA8708V5, making it a versatile upgrade for multiple ARRMA models. If you have any ARRMA 6S electric RC truck or buggy, this kit will enhance its durability and performance.
• Colour Options Available — The kit is available in silver and red finishes, allowing you to customise the appearance of your RC vehicle to match your personal style or team colours. The anodised finish not only looks professional but also provides protection against corrosion and wear.

Technical Performance

This VITAVON upgrade kit represents a significant improvement in chassis durability for ARRMA 6S models. The 7075 aluminium alloy used throughout offers strength-to-weight ratio superior to plastic components whilst adding minimal weight to your RC vehicle. The CNC precision means every component is manufactured to exact specifications, with tight tolerances that ensure perfect fitment and elimination of the play and flex inherent in plastic bulkheads. The oversized bearings (5x13x4mm) compared to stock (5x11x4mm) provide approximately 30% greater load capacity, which translates directly to improved handling characteristics, reduced bearing wear and extended component life. For ARRMA 6S brushless RC vehicles running on 3S LiPo batteries with typical 50-90A ESCs and mid-range motors, this upgrade is particularly valuable as it reinforces the areas most prone to damage during aggressive driving. The front and rear bulkhead pair ensures that structural integrity is maintained throughout acceleration, cornering and deceleration cycles. The kit's longer hub carriers work in conjunction with the oversized bearing seats to distribute the forces from your motor and suspension more evenly, reducing stress peaks that cause sudden failures. When you invest in a brushless 4WD RC truck like the ARRMA Kraton 6S or Big Rock 6S BLX, protecting that investment with quality aluminium upgrades like this VITAVON kit makes economic sense, as repairing or replacing plastic bulkheads repeatedly becomes far more expensive than upgrading once with premium components.

What's in the Box

• 1 pair of VITAVON CNC 7075 aluminium front hub carriers (longer design with oversized bearing bosses)
• 1 pair of VITAVON CNC 7075 aluminium rear hub carriers (longer design with oversized bearing bosses)
• 2 x VITAVON CNC 7075 aluminium bulkheads (front and rear)
• Upgraded bearing hardware and screw nuts
• Front bearings sized 5x13x4mm (oversized compared to stock)
• Rear bearings (oversized, matched to carrier design)

Frequently Asked Questions

• Will these VITAVON bulkheads and hubs fit my ARRMA Kraton 6S or Big Rock 6S BLX? — Yes, this kit is specifically engineered for ARRMA 6S models including the Kraton 6S, Big Rock 6S BLX, Mojave 6S, Typhon 6S, Notorious 6S, Senton, Felony 6S, Fireteam 6S, Limitless 6S, Outcast and the new Kraton 6S EXB ARA8708V5. The CNC precision manufacturing ensures perfect fitment without modifications. Original stock part number AR310854 is replaced by this VITAVON upgrade.
• What is the benefit of upgrading from plastic bulkheads to these aluminium components? — Stock plastic bulkheads and hub carriers are prone to cracking, breaking and flexing under the extreme forces generated by 6S brushless motors and suspension impacts. These VITAVON 7075 aluminium components are significantly stronger, absorb impacts without damage, flex far less (reducing unintended suspension geometry changes) and last substantially longer. For serious RC enthusiasts in the UK who bash regularly, this upgrade prevents repeated breakage and repair costs.
• Are the oversized 5x13x4mm bearings a significant upgrade from stock 5x11x4mm? — Yes. The larger bearings provide approximately 30% greater load capacity and contact surface area. This reduces friction, lowers operating temperatures during long driving sessions and extends bearing lifespan. The oversized design is particularly beneficial for high-speed running and competitive use where bearing wear would otherwise cause handling degradation.
• Can I install this kit myself or do I need professional help? — This is an advanced upgrade that requires basic mechanical knowledge of your ARRMA vehicle. You will need to disassemble your front and rear axle assemblies, remove the stock plastic bulkheads and hub carriers, and install the new aluminium components. The precision fit means no modifications are needed, but if you are uncomfortable with this level of disassembly, we recommend having a qualified RC technician perform the installation. Instructions are not typically provided with VITAVON kits, so familiarity with your vehicle's assembly is helpful.
• What colours are available for this bulkhead and hub kit? — The kit is available in silver (default) and red finishes. If you require a specific colour different from the default silver, you should indicate your colour preference when placing your order so the correct version is dispatched to you.
• Is this upgrade compatible with the new Kraton 6S EXB V5 and V6 models? — Yes, this kit is confirmed compatible with the new Kraton 6S EXB ARA8708V5, as well as the Kraton 6S EXB V5 and V6 variants. VITAVON designs these upgrades to work seamlessly with the latest ARRMA releases.
• Will upgrading to these aluminium bulkheads and hubs significantly change my vehicle's handling? — The reduction in flex from plastic to rigid aluminium will make your chassis feel slightly more responsive and precise, particularly during aggressive cornering. You may notice improved suspension geometry consistency (less squat and dive) and more predictable handling. Some users report that the upgraded rigidity requires slightly softer suspension settings, so you may wish to adjust shocks and anti-roll bars after installation to find your preferred setup.
• How do these VITAVON components compare to other aftermarket bulkheads and hubs available? — VITAVON uses premium 7075-T6 aluminium and precision 3D CNC manufacturing, which is among the best available in the RC hobby. The oversized bearing design and longer hub carriers represent thoughtful engineering rather than simple component replacement. VITAVON upgrades consistently earn recognition for build quality, durability and perfect fitment, making them a trusted choice for serious RC enthusiasts worldwide.

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 VITAVON CNC Alu7075 Front/Rear bulkhead, Front & Rear hubs For Arrma Kraton 6S Big Rock 6S BLX - Vitavon VITAR330505/AR310854/ARA330830 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.