Overview
The VITAVON CNC Alu7075 Rear Upper/Lower Arm For Arrma Granite Grom & Typhon Grom 1/18 represents a significant upgrade for owners of these popular compact RC buggies and crawlers. Manufactured by VITAVON, a recognised specialist in precision-engineered RC upgrade parts, these rear suspension arms are machined from premium aluminium 7075 alloy, delivering superior strength and durability compared to standard plastic components. Whether you're a dedicated basher looking to improve your RC car's performance, or an enthusiast seeking to enhance the chassis geometry of your Arrma Grom platform, these CNC-machined arms offer the engineering quality and reliability that serious RC hobbyists demand.
The 1/18 scale Arrma Granite Grom and Typhon Grom have built a loyal following amongst UK RC enthusiasts for their compact size, impressive off-road capability and value for money. However, like all RC vehicles, the suspension components can benefit from high-quality aftermarket upgrades. VITAVON's CNC aluminium arms are engineered to provide improved durability under demanding driving conditions, whether you're tackling rocky terrain, sand tracks or technical crawling courses across the UK. These parts deliver genuine performance benefits that will be noticeable in handling, longevity and overall driving experience.
This is not a complete vehicle – these are precision suspension components designed specifically for upgrading your existing Arrma Granite Grom or Typhon Grom 1/18 scale RC car. RC Model Shop stocks genuine VITAVON parts with full authenticity and expert support, making it easy for UK-based RC enthusiasts to source quality upgrades for their vehicles.
Key Features
- CNC-Machined Aluminium 7075 Construction — These rear upper and lower arms are precision-manufactured from aerospace-grade aluminium 7075 alloy, which offers significantly greater strength and durability than standard plastic suspension components, ensuring your RC car can handle aggressive driving and rough terrain without failure.
- Superior Durability and Longevity — Aluminium 7075 is renowned in engineering applications for its exceptional strength-to-weight ratio and resistance to wear, meaning these arms will maintain their integrity through countless sessions of bashing, racing and off-road exploration without warping, cracking or permanent deformation.
- Direct Fit Compatibility — These arms are engineered as direct replacements for the standard Arrma Grom suspension components, ensuring perfect fitment without modification and maintaining the precise suspension geometry that Arrma engineered into these vehicles.
- Enhanced Handling and Control — The superior rigidity of aluminium arms reduces flex during aggressive cornering and rough terrain driving, translating to more predictable handling characteristics and improved control over your RC buggy or crawler.
- Includes Both Upper and Lower Arms — This upgrade package provides the complete rear suspension arm set (upper and lower), giving you a comprehensive rear-end upgrade rather than requiring multiple separate purchases.
- Professional Quality Engineering — VITAVON's reputation for precision manufacturing means these parts are machined to exacting tolerances, ensuring consistent quality and reliable performance across the entire product range.
Technical Performance
These VITAVON CNC rear suspension arms represent a purposeful engineering upgrade for the 1/18 scale Arrma Granite Grom and Typhon Grom platforms. The use of aluminium 7075 alloy, typically found in aerospace and high-performance motorsport applications, demonstrates VITAVON's commitment to delivering components that exceed the durability of original equipment. Aluminium 7075 offers a tensile strength significantly higher than standard plastics, with superior fatigue resistance that prevents stress-related cracking over extended use. The CNC machining process ensures that each arm is manufactured to precise specifications with repeatable accuracy, eliminating the material inconsistencies sometimes found in mass-produced plastic components. For RC car enthusiasts in the UK who regularly drive their vehicles on technical terrain, across rocky landscapes or in competitive settings, the upgrade from plastic to machined aluminium delivers tangible benefits in durability, precision and reliability. The arms maintain the original suspension geometry of your Arrma Grom while upgrading the material properties, meaning improved performance without requiring suspension re-tuning or geometry adjustments. Drivers can expect reduced flex during high-speed cornering, more consistent suspension action during rough terrain navigation, and components that will maintain their dimensional accuracy through years of active use.
What's in the Box
- VITAVON CNC Alu7075 Rear Upper Arm (1 piece)
- VITAVON CNC Alu7075 Rear Lower Arm (1 piece)
Frequently Asked Questions
- Are these arms suitable for upgrading my Arrma Granite Grom or Typhon Grom 1/18 scale RC car? — Yes, these arms are engineered as direct replacements for the original suspension components on the Arrma Granite Grom and Typhon Grom 1/18 models. They will fit without modification and maintain the exact suspension geometry of your vehicle, making them a plug-and-play upgrade that requires no tuning or adjustment.
- What is the benefit of upgrading from plastic to aluminium 7075 suspension arms? — Aluminium 7075 provides substantially greater strength and durability compared to plastic components. The upgrade delivers reduced flex during driving, improved handling precision, superior resistance to cracking under stress, and extended component lifespan. For UK-based RC enthusiasts who regularly drive their vehicles in demanding conditions, these benefits translate to improved performance, more reliable operation and fewer breakages requiring replacement parts.
- Will these parts improve my RC car's handling and performance? — Yes, the rigidity of machined aluminium arms reduces suspension flex, which enhances handling precision and control during aggressive cornering, rough terrain driving and high-speed operation. Many drivers notice improved responsiveness and more predictable suspension behaviour after upgrading to aluminium components, particularly when driving on technical or rocky terrain.
- How difficult is installation? — Installation requires standard RC tools and mechanical knowledge. These are direct replacements for the original arms, so removal of the old components and installation of the new parts follows the standard Arrma service procedures outlined in your vehicle manual. Most RC enthusiasts with basic mechanical skills can complete the installation within 15-30 minutes per arm.
- Are these genuine VITAVON parts? — Yes, RC Model Shop stocks authentic VITAVON products from authorised suppliers. You can purchase with confidence knowing you are receiving genuine components with full authenticity and access to expert support from our experienced UK RC team.
- What other VITAVON upgrades are available for my Arrma Grom? — VITAVON manufactures an extensive range of CNC aluminium upgrade parts for the Arrma Grom platform, including hub carriers, steering components, servo mounts, motor mounts and numerous other suspension and drivetrain upgrades. RC Model Shop stocks a comprehensive selection of VITAVON products, allowing you to progressively upgrade your vehicle with matched, high-quality components.
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 Rear Upper/Lower Arm For Arrma Granite Grom&Typhon Grom 1/18 ARA330808 - Vitavon - VITARA330808 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.
- Brand: VITAVON
- Model Number: VITARA330808 / ARA330808
- Product Type: Rear Upper and Lower Suspension Arms (pair)
- Compatible Vehicle: Arrma Granite Grom 1/18
- Compatible Vehicle: Arrma Typhon Grom 1/18
- Scale: 1/18
- Material: CNC Machined Aluminium 7075 Alloy
- Finish: Silver colour
- Quantity: Rear Upper Arm (1) + Rear Lower Arm (1)
- Compatible Vehicle Type: Buggy, Crawler, Drift Car, Scale, Short Course Truck
- Installation: Direct replacement, no modification required
- Construction: CNC precision machined
- Manufacturing Country: China
- Condition: New, unused
- Durability: High strength aluminium provides superior durability compared to plastic components
We want to make sure your delivery goes smoothly, so here are some important details about our service:
- For orders above £120, we offer delivery to most mainland UK addresses. For orders under £120, we can still deliver to Northern Ireland and the outlying isles, as long as the item can be sent by Royal Mail, weighs less than 30kg, and fits within 61cm × 46cm × 46cm. Some highland and remote areas may carry an extra delivery charge as couriers often apply surcharges in these locations. If you live in one of these areas, feel free to contact us before ordering so we can confirm the delivery options and costs for you.
- Most of our products include delivery in the price. If your order is under £90, a small delivery fee will apply but do not worry this will always be clearly shown at checkout before you complete your purchase.
- Depending on what you choose at checkout, your order will usually be delivered either the next working day or within 2 working days. For next day delivery please place your order before 2:00pm. Orders are dispatched Monday to Friday only. Some items may take a little longer and if that is the case we will always show the expected delivery time on the product page.
- If your order includes items with different dispatch times we will normally wait and send everything together once all items are in stock. If one of the items is going to take a while we will give you the choice either wait for everything to arrive or let us send the available items now and deliver the rest later. It is up to you.
- We use trusted delivery partners to make sure your order gets to you safely and on time. We use DPD for next working day deliveries and Royal Mail for the 2 day option.
- As soon as your order is on its way we will send you a tracking number by email. If you provide your mobile number at checkout we will also send delivery updates straight to your phone so you can keep an eye on progress.
- If a product is marked as "Dispatched within 3 working days" delivery usually takes around 3 to 5 working days from when your order is placed.
- For customers in Inverness and other parts of the Scottish Highlands deliveries can take up to 2 working days even if you select next day delivery as couriers do not currently offer a guaranteed next day service to those areas.
