ARRMA Ball Cup Set Suspension Spare Part 1/8 Scale Z-ARA330817

• Manufacturer: ARRMA
• Part Number: Z-ARA330817
• EAN: 5052127046329
• Spare Part Type: Suspension Spares
• Material: Tough composite material
• Includes: 2 x Curved Steering Ball Cup, 2 x Straight Steering Ball Cup, 4 x Rear Ball Cups
• Total Components: 8 pieces
• Compatible with ARRMA 1/8 KRATON 6S EXB 4X4 RTR Speed Monster Truck (Black)
• Compatible with ARRMA 1/8 KRATON 6S V6 4X4 BLX Speed Monster Truck RTR (Pink, Blue, Orange, Green)
• Compatible with ARRMA 1/8 NOTORIOUS 6S V6 4X4 BLX Stunt Truck RTR (Blue, Black)
• Feature: Precision manufactured hardware mounting holes for fast and easy installation
• Feature: Tough composite material for long-lasting durability in all conditions

Overview

The ARRMA Ball Cup Set Z-ARA330817 is an essential suspension upgrade and replacement part for serious RC enthusiasts running ARRMA's most powerful 1/8 scale monsters. Whether you're a dedicated basher pushing your RC truck to the limit on UK terrain or a competitor looking to maintain peak performance, this precision-engineered ball cup set delivers the durability and reliability you need. Ball cups are critical suspension components that connect your steering, camber and sway bar links to the main chassis, and when they wear or break during intense driving, replacement becomes urgent. This high-quality spare part ensures your RC car UK setup remains responsive, stable and ready for the next session.

Designed and manufactured by ARRMA—a brand recognised worldwide for producing some of the fastest and most durable ready-to-run RC monster trucks—this ball cup set combines tough composite construction with precision engineering to deliver components that withstand extreme impacts, high-speed cornering and relentless bashing. The composite material formulation is proven in the harshest conditions, from muddy UK gardens to rocky outdoor tracks, making it the smart choice for anyone who refuses to compromise on suspension integrity. If you own an ARRMA 1/8 scale brushless monster truck like the KRATON 6S EXB or NOTORIOUS 6S, this spare part is the genuine replacement you've been searching for.

Installation is refreshingly straightforward thanks to precision-manufactured mounting holes that align perfectly with your existing chassis hardware, meaning you can get back to driving faster rather than spending hours wrestling with poor-fitting parts. For UK RC car enthusiasts at all levels—from weekend bashers to serious competitors—keeping a set of ball cups in your spares box is essential maintenance planning. This is the genuine ARRMA part, manufactured to OEM specifications, ensuring perfect fit and lasting performance across multiple seasons of intense driving.

Key Features

• Tough Composite Material Construction — The ball cups are engineered from high-strength composite material specifically selected to withstand the extreme forces generated during aggressive cornering, hard landings and high-impact driving, meaning they maintain their shape and responsiveness even after hundreds of impact cycles rather than cracking or deforming like inferior alternatives.
• Precision Manufactured Hardware Mounting Holes — Every mounting hole is manufactured to exact tolerances that align perfectly with ARRMA chassis specifications, enabling genuinely fast and easy installation without forcing parts, stripping threads or dealing with misalignments that cause steering bind or suspension issues.
• Complete Steering and Suspension Linkage Coverage — The set includes both curved and straight steering ball cups plus rear ball cups, providing comprehensive replacement options so you can fully refresh your entire suspension geometry rather than being forced to order multiple separate part numbers.
• OEM Genuine ARRMA Component — This is the authentic factory spare part specified by ARRMA engineers for their high-performance 1/8 scale monster trucks, ensuring perfect compatibility, proven durability testing and the peace of mind that comes with genuine manufacturer parts rather than aftermarket imitations.
• Compatible with Multiple ARRMA Platforms — This single part number fits across the KRATON 6S range and NOTORIOUS 6S range, making it a versatile spare that covers the majority of ARRMA's most powerful 1/8 scale brushless models currently in the RC hobby market.

Technical Performance

The ARRMA Ball Cup Set Z-ARA330817 represents the culmination of extensive engineering and real-world testing on ARRMA's high-performance 1/8 scale brushless platforms. The composite material formulation has been specifically developed to absorb the extreme forces generated by brushless power systems running on high-voltage LiPo batteries—systems that deliver 1500+ watts of power to the drive train and generate proportionally massive suspension loads during acceleration, braking and cornering. The precision manufacturing process ensures that each ball cup maintains dimensional consistency across the entire set, meaning your steering geometry remains predictable and responsive rather than drifting as worn or mismatched components gradually change your suspension angles. Rear ball cups are engineered to withstand camber and sway bar link forces that can exceed 50G during aggressive manoeuvres, whilst steering ball cups must maintain precise rotational freedom whilst resisting lateral forces that attempt to bind or stick. The engineering demonstrates ARRMA's commitment to durability—these are not budget components but rather genuine suspension parts proven across tens of thousands of hours of competitive racing and recreational bashing in harsh environments worldwide. Compatibility across multiple 1/8 scale monster truck platforms demonstrates how ARRMA has standardised these critical components across their high-performance range, giving you access to factory-spec replacement parts that maintain your RC truck's handling characteristics exactly as designed by the engineers.

What's in the Box

• 2 x Curved Steering Ball Cup
• 2 x Straight Steering Ball Cup
• 4 x Rear Ball Cups

Frequently Asked Questions

• Will the ARRMA Ball Cup Set fit my ARRMA monster truck? — This part is specifically compatible with ARRMA 1/8 scale 6S brushless models including the KRATON 6S EXB, KRATON 6S V6 in all colour variants (black, pink, blue, orange, green), and NOTORIOUS 6S V6 in both black and blue. Check your model number against the compatibility list to confirm fitment before ordering.
• How often do I need to replace ball cups on my RC truck? — Ball cup replacement frequency depends entirely on driving intensity and conditions. Casual weekend bashers might replace them once per year, whilst competitive drivers running high-speed tracks multiple times weekly may need replacements every 2-3 months. If you notice steering becoming less responsive, excessive play in suspension linkages, or visible cracks in the composite material, it's time to replace them.
• Are these genuine ARRMA parts or aftermarket copies? — This is the authentic OEM ARRMA spare part manufactured to factory specifications, not an aftermarket alternative. You can verify authenticity by checking the part number Z-ARA330817 against ARRMA's official parts catalogue, ensuring you receive genuine components with proper quality assurance and warranty protection.
• How difficult is installation for someone new to RC maintenance? — Installation is straightforward for anyone with basic RC maintenance experience. The precision-manufactured mounting holes align perfectly with your chassis, and you simply need standard metric hex keys and a screwdriver. Most users complete installation in 10-15 minutes. If you're completely new to RC maintenance, we recommend watching an ARRMA suspension maintenance video online beforehand to familiarise yourself with the process.
• What causes ball cups to wear out faster? — Driving on extremely rough terrain, running on abrasive surfaces like tarmac rather than grass, frequent high-impact landings from jumps, and driving at maximum throttle continuously all accelerate wear. Lower temperatures also make composite material more brittle. Storing your truck indoors at room temperature and maintaining it regularly extends component life significantly.
• Can I mix old and new ball cups, or should I replace the entire set? — We recommend replacing all ball cups at once rather than mixing old and new components, because worn cups have lost dimensional precision, potentially creating inconsistent steering geometry and uneven suspension performance across your truck. Complete replacement ensures predictable handling.

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 Ball Cup Set Z-ARA330817 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.