- Part Number: Z-ARA330583
- EAN: 5052127033848
- Manufacturer: ARRMA
- Product Type: Suspension Ball Bearing
- Specification: 4x9x12.5mm
- Quantity: 4 pieces
- Compatible With: ARRMA 1/5 Kraton 4X4 8S BLX EXB Brushless Monster Truck RTR (C-ARA5808V2T1)
- Compatible With: ARRMA 1/5 Outcast 4X4 8S BLX EXB Brushless Stunt Truck RTR (C-ARA5810V2T1)
- Vehicle Scale: 1/5
- Spare Part Type: Suspension Spares
Overview
The ARRMA Ball 4x9x12.5mm (4) Z-ARA330583 is an essential suspension spare part designed specifically for ARRMA's high-performance 1/5 scale monster trucks and stunt trucks. This pack contains four precision-engineered ball bearings that are critical components in the suspension system of your RC car UK setup. Whether you're running an ARRMA Kraton or Outcast 8S brushless monster truck, these replacement balls ensure your suspension operates smoothly and reliably during intense bashing sessions, competitive racing, or everyday recreational driving.
Ball bearings are fundamental to RC vehicle performance, and having quality replacements on hand is essential for any serious RC enthusiast. These ARRMA-branded suspension spares are manufactured to exact specifications, ensuring perfect compatibility and long-lasting durability. If you've noticed any grinding sounds in your suspension, decreased steering response, or uneven handling characteristics, worn ball bearings are often the culprit. Upgrading to fresh ARRMA balls will restore your truck's suspension precision and handling characteristics to factory standards.
Based in the UK, RC Model Shop stocks genuine ARRMA parts and accessories for all models in the range. Whether you're a weekend basher enjoying high-speed runs across local terrain, or a competitive racer pushing your brushless RC monster truck to its limits, maintaining your suspension with quality spare parts like these balls is crucial for optimal performance and longevity.
Key Features
- Genuine ARRMA Component — These ball bearings are manufactured by ARRMA specifically for their suspension systems, guaranteeing exact fit and performance characteristics that match your original equipment. Using genuine parts ensures compatibility and reliability that third-party alternatives cannot match.
- 4x9x12.5mm Specification — The precise dimensions of these ball bearings are engineered to work seamlessly within the suspension geometry of ARRMA Kraton and Outcast 8S trucks. These specific measurements ensure proper load distribution and smooth rotational movement throughout your suspension travel.
- Pack of Four — This package contains four individual ball bearings, providing you with a complete set for a full suspension refresh or allowing you to replace multiple worn components at once. Having four balls ensures you can maintain all suspension points simultaneously for consistent handling.
- Suspension Performance Restoration — Worn suspension balls create slack and resistance in your truck's suspension geometry, negatively affecting handling, steering response, and overall stability. Fresh ARRMA balls restore precise suspension kinematics, improving cornering grip, jump landing stability, and predictable handling characteristics essential for both recreational and competitive driving.
- Durable Construction — ARRMA manufactures these balls to withstand the extreme forces and impacts encountered in high-performance 1/5 scale RC truck operation. The robust construction ensures extended service life even under demanding conditions.
Technical Performance
The ARRMA Ball 4x9x12.5mm components are precision suspension spares manufactured to meet the demanding requirements of 1/5 scale brushless monster trucks and stunt trucks. These ball bearings function as critical pivot points within the suspension system, enabling controlled articulation and weight transfer during acceleration, braking, and cornering manoeuvres. The 4x9x12.5mm dimensions are specifically engineered for the suspension geometry of the ARRMA Kraton 4X4 8S BLX EXB and ARRMA Outcast 4X4 8S BLX EXB trucks, which are equipped with powerful brushless motors and 8S LiPo battery compatibility. Suspension balls of this specification support the incredible performance envelope of these vehicles, including their ability to handle high-speed terrain, aggressive jumps, and powerful acceleration delivered by the brushless drivetrain. Regular maintenance and replacement of suspension balls is essential for maintaining the precise handling characteristics that these advanced RC trucks are engineered to deliver, ensuring smooth suspension action and optimal traction across all driving conditions.
What's in the Box
- ARRMA Ball 4x9x12.5mm (quantity: 4)
Frequently Asked Questions
- What vehicles are these ARRMA suspension balls compatible with? — These 4x9x12.5mm balls are specifically designed for the ARRMA 1/5 Kraton 4X4 8S BLX EXB Brushless Monster Truck RTR in black and the ARRMA 1/5 Outcast 4X4 8S BLX EXB Brushless Stunt Truck RTR in black. Check your truck model to ensure compatibility before ordering.
- How often should I replace suspension balls on my RC truck? — Suspension balls should be inspected regularly for wear, especially after intense bashing or competitive racing sessions. Signs of wear include visible cracks, looseness in the suspension, or grinding noises. Most RC enthusiasts recommend checking balls every 10-15 hours of driving time and replacing them when wear becomes apparent or every 20-30 hours of heavy use as preventative maintenance.
- Will replacing these balls improve my truck's handling? — Yes, worn suspension balls create slack and imprecision in your truck's suspension geometry, which negatively affects steering response, cornering grip, and overall handling consistency. Replacing them with fresh ARRMA balls will restore your truck to factory suspension specifications, noticeably improving handling precision and predictability, particularly during high-speed cornering and aggressive manoeuvres.
- Are these genuine ARRMA parts or aftermarket alternatives? — These are genuine ARRMA-manufactured suspension balls, part number Z-ARA330583. Genuine ARRMA parts ensure perfect compatibility, proper fit, and performance characteristics specifically engineered for your truck's suspension system.
- Do I need special tools to install these suspension balls? — Installation of suspension balls typically requires basic RC tools such as ball end drivers or universal joint tools, depending on your suspension design. Most ARRMA suspension balls press into ball cups or suspension arms. Refer to your ARRMA Kraton or Outcast 8S user manual for specific installation instructions and recommended tools.
- What is the difference between OEM ARRMA balls and aftermarket suspension balls? — ARRMA-genuine suspension balls are manufactured to exact specifications matching your truck's original equipment, ensuring perfect fit within the suspension geometry and performance characteristics. Aftermarket alternatives may vary in dimensions, material composition, or manufacturing tolerances, potentially resulting in poor fit, reduced durability, or handling inconsistencies. For critical suspension components on high-performance brushless trucks like the Kraton and Outcast 8S, genuine ARRMA parts are the recommended choice.
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 4x9x12.5mm (4) Z-ARA330583 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.
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- 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.
