This strong Composite Top Deck in short wheelbase configuration provides the perfect replacement part for your kit item.
Features
- Tough composite material for long-lasting durability during extreme RC action
- Precision manufactured for secure and reliable fit
- Extra material has been strategically added in high-stress areas to increase durability
Includes
1 x Composite Top Deck - SWB
- Brand: ARRMA
- Model Number: Z-ARA320747
- EAN: 5052127045704
- Part Type: Chassis Spare - Top Deck
- Configuration: Short Wheelbase (SWB)
- Length: 168mm
- Material: Composite
- Compatible Vehicles: ARRMA 1/18 GRANITE GROM MEGA 380 Brushed 4x4 Monster Truck RTR (Red, Blue/Red, Green)
- Compatible Model Numbers: C-ARA2102T2, C-ARA2102T1, C-ARA2102T3
- Features: Tough composite construction, precision manufactured, strategic material reinforcement in high-stress areas
- Quantity Included: 1 x Composite Top Deck - SWB
Overview
The ARRMA Composite Top Deck SWB (Short Wheelbase) in 168mm configuration is an essential replacement chassis component designed specifically for the ARRMA 1/18 GRANITE GROM MEGA 380 Brushed 4x4 Monster Truck. Whether you're a dedicated RC enthusiast in the UK looking to maintain your GROM or a basher seeking a durable upgrade, this precision-engineered composite top deck delivers the reliability and durability needed for intense off-road action. As a spare part manufactured to OEM standards, it ensures your RC car UK setup remains in peak condition, whether you're racing competitively or enjoying weekend bashing sessions with your brushed RC monster truck.
This composite top deck represents ARRMA's commitment to quality engineering and long-lasting performance. The short wheelbase 168mm configuration is specifically tailored for the GRANITE GROM series, providing the structural foundation that connects your RC vehicle's components and withstands the extreme forces generated during high-speed cornering, jumps and aggressive terrain navigation. Built from tough composite material, this chassis component has been manufactured with precision to guarantee a secure and reliable fit, eliminating fitment issues that can compromise handling and durability on your RC car.
RC Model Shop stocks this genuine ARRMA spare part to ensure that GROM owners across the UK have access to authentic replacement components that maintain the original performance characteristics of their vehicles. As an authorised ARRMA retailer, we provide genuine products backed by manufacturer specifications and quality assurance, giving you the confidence that you're investing in a component that will deliver years of reliable service in your RC hobby.
Key Features
- Tough Composite Material — The top deck is manufactured from durable composite material specifically selected to withstand the extreme forces and impacts encountered during RC action, ensuring longevity even during aggressive bashing and competition use on various terrain types.
- Precision Manufactured Design — Each top deck is produced to exact specifications, guaranteeing a secure and reliable fit with your GRANITE GROM's mounting points, eliminating loose connections that could affect vehicle handling and stability during high-speed runs.
- Strategic Material Reinforcement — Extra composite material has been strategically added in high-stress areas of the chassis, particularly around mounting points and suspension attachment zones, significantly increasing overall durability and resistance to cracking or failure during intense RC action.
- Short Wheelbase 168mm Configuration — The SWB design delivers nimble handling characteristics, tighter turning radius and improved manoeuvrability, making this composite deck ideal for rapid cornering and technical terrain navigation on your brushed RC monster truck.
- Direct OEM Compatibility — Manufactured to exact ARRMA specifications, this top deck is engineered specifically for the GRANITE GROM series (all colour variants), ensuring perfect fitment without modification and maintaining your vehicle's original geometry and performance characteristics.
- Easy Installation — The precision-engineered design allows straightforward installation onto your existing GROM chassis components, requiring no modifications or drilling, making repairs and upgrades quick and hassle-free for RC enthusiasts of all experience levels.
Technical Performance
The ARRMA Composite Top Deck SWB represents professional-grade chassis engineering designed to meet the demanding requirements of modern 1/18 scale RC monster truck operation. As a key structural component, the top deck serves as the primary mounting platform for your vehicle's electronics, motor and transmission systems whilst distributing impact forces across the chassis during jumps, landings and high-speed manoeuvres. The composite material selection provides an optimal balance between weight savings and structural rigidity, ensuring your GROM maintains responsive handling characteristics without unnecessary mass. The 168mm short wheelbase configuration has been engineered to deliver nimble performance and tight cornering at speed, making this composite deck essential for both competitive racing environments and recreational bashing applications. The strategic reinforcement in high-stress areas—typically around suspension mounts, servo attachment points and central chassis sections—significantly extends component lifespan compared to unreinforced designs. Built to precise OEM tolerances, this top deck integrates seamlessly with all GRANITE GROM MEGA 380 variants regardless of colour or edition, guaranteeing mechanical compatibility and eliminating fitting issues that could compromise vehicle stability or handling dynamics during operation.
What's in the Box
- 1 x ARRMA Composite Top Deck - SWB (168mm)
Frequently Asked Questions
- Is the ARRMA Composite Top Deck SWB suitable for beginners and casual RC enthusiasts? — Yes, this is an ideal replacement part for any GROM owner regardless of experience level. As a straightforward chassis component, installation requires no specialist knowledge or tools. Beginners will appreciate that this OEM-specification part simply drops into place on their existing vehicle, whilst experienced RC car UK enthusiasts will value its durability during intense bashing sessions and competition use.
- What vehicles is this composite top deck compatible with? — This top deck is specifically designed for the ARRMA 1/18 GRANITE GROM MEGA 380 Brushed 4x4 Monster Truck across all colour variants, including the red (C-ARA2102T2), blue/red (C-ARA2102T1) and green (C-ARA2102T3) editions. Always verify your vehicle's compatibility before purchase to ensure proper fitment.
- Will this improve my GROM's performance compared to the original top deck? — This composite top deck is engineered to match or exceed the specifications of the original component. The strategic material reinforcement in high-stress areas provides enhanced durability, helping your vehicle maintain consistent performance during extended bashing sessions and competitive racing on your RC car UK setup without premature wear or failure.
- How durable is the composite material during extreme RC action? — ARRMA's composite formulation is specifically selected for impact resistance and longevity. The extra material strategically placed in high-stress zones dramatically increases lifespan compared to basic designs. For typical weekend bashing and competitive use, this component will provide years of reliable service before requiring replacement.
- Is installation straightforward for someone new to RC maintenance? — Yes, installation is very straightforward. The precision-manufactured design ensures perfect fitment without modifications or drilling. Simply remove your old top deck and install the new composite piece using the existing mounting points. No specialist tools or expertise is required, making this an ideal first maintenance task for RC car enthusiasts new to chassis work.
- How does this compare to plastic or aluminium alternatives? — The composite material offers superior impact absorption compared to rigid plastic alternatives, whilst remaining lighter than full aluminium designs. This balance of durability and weight savings delivers responsive handling and longevity during RC action, making composite the optimal choice for GROM performance.
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 ARRMA Composite Top Deck SWB, 168mm: GROM Z-ARA320747 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.
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.
