Overview
The HoBao HYPER 9 ARM SHAFTS M3X42 (2) H89019 are essential replacement components for owners and enthusiasts of HoBao HYPER 9 RC vehicles. These precision-engineered arm shafts are critical drivetrain components that transfer power and torque throughout your RC car's suspension and steering systems. Whether you are a seasoned RC racer looking to maintain your competition-grade machine or a weekend basher seeking genuine spare parts to keep your vehicle in peak condition, these arm shafts are an indispensable addition to your RC model toolkit. HoBao is a recognised manufacturer in the RC hobby, and genuine OEM parts like these H89019 arm shafts ensure your HYPER 9 continues to perform at its best.
This pack contains two arm shafts, making it ideal for replacing worn or damaged components on your HoBao HYPER 9. The M3X42 specification indicates these are M3 metric threads with a 42mm length, precision dimensions that are critical for proper suspension geometry and handling characteristics. RC car maintenance is a fundamental part of the hobby, and having access to genuine HoBao spare parts through an authorised UK RC retailer ensures you can keep your vehicle running smoothly. Whether you are undertaking routine maintenance, recovering from a crash, or building a spare setup, these arm shafts provide the quality and reliability that HoBao vehicles are known for.
Available through RC Model Shop, a trusted UK RC hobby retailer, these arm shafts are supplied by the official distributor and represent genuine HoBao components. For anyone involved in the RC car UK scene—whether you compete in off-road racing, circuit racing, or simply enjoy recreational bashing—having genuine spare parts on hand is essential. The HYPER 9 platform is a proven design in the RC community, and maintaining it with original components ensures consistent performance and reliability.
Key Features
- Genuine HoBao Component — These arm shafts are authentic OEM parts manufactured by HoBao, the original equipment manufacturer of your HYPER 9 vehicle, ensuring perfect fitment and compatibility with your suspension geometry and drivetrain setup.
- M3X42 Specification — The M3 metric threading with 42mm length is precisely engineered to match the design tolerances of the HYPER 9 platform, delivering the exact performance characteristics that HoBao engineers intended for suspension articulation and handling.
- Pack of Two — This pack includes two arm shafts, providing the quantity needed for typical front or rear arm replacement, allowing you to address both sides of your RC car's suspension in one convenient purchase.
- Critical Drivetrain Component — Arm shafts are fundamental to transferring suspension loads and steering inputs through the chassis, making them a critical component for maintaining responsive handling and reliable performance across all driving conditions.
- Wear and Damage Replacement — Whether through regular wear, crash damage, or high-performance use, arm shafts eventually require replacement, and having genuine spares ensures your HYPER 9 maintains its original design specifications and handling characteristics.
Technical Performance
The HoBao HYPER 9 ARM SHAFTS M3X42 are precision-engineered components manufactured to exact specifications that ensure seamless integration with your HYPER 9 suspension system. The M3 metric thread size represents a standard dimension in RC vehicle design, allowing for secure mounting with corresponding M3 fasteners throughout your chassis. The 42mm length is specifically calculated to provide the correct arm geometry and suspension travel range that the HYPER 9 platform requires for optimal handling dynamics. These shafts are manufactured from durable materials selected by HoBao engineers to withstand the forces generated during acceleration, deceleration, cornering, and suspension compression. The precision tolerances maintained in the manufacturing process ensure that when installed, these arm shafts will maintain the exact suspension geometry that HoBao has engineered into the HYPER 9 design. Whether you are replacing shafts that have worn through extended use, have been damaged in a crash, or are building a backup vehicle setup, using genuine HoBao components guarantees that your suspension will perform exactly as designed. RC car performance is directly influenced by suspension geometry, and maintaining original component specifications is essential for consistent handling and reliability across all driving conditions.
What's in the Box
- HoBao HYPER 9 Arm Shafts M3X42 (Qty: 2)
Frequently Asked Questions
- What are arm shafts and why do I need them? — Arm shafts are critical suspension components that connect your RC car's suspension arms to the chassis, transferring steering and suspension loads throughout the drivetrain. Over time, these shafts can wear, bend, or break due to impacts and regular use, requiring replacement with genuine parts to maintain proper suspension geometry and handling performance.
- Will these fit my HoBao HYPER 9 RC car? — Yes, these are genuine OEM HoBao components (part number H89019) specifically designed for the HYPER 9 platform, ensuring perfect fitment and compatibility with your vehicle's suspension system and chassis geometry.
- How do I know when my arm shafts need replacing? — Signs that your arm shafts require replacement include play or movement in your suspension arms, uneven tyre wear, handling that feels loose or unresponsive, or visible bending or cracking after a significant impact or crash.
- What is the M3X42 specification? — The M3X42 designation refers to the thread size (M3 metric) and length (42mm) of the arm shaft. This precise specification ensures that the shaft maintains the correct suspension geometry and articulation range that HoBao has engineered into the HYPER 9 design.
- Are these genuine HoBao parts? — Yes, these are authentic OEM components supplied through authorised UK RC retailers like RC Model Shop, guaranteeing genuine HoBao quality and specifications rather than aftermarket alternatives.
- How many shafts do I need? — This pack includes two arm shafts, which is sufficient for replacing the arm shafts on one side of your vehicle (front or rear). If you need to replace shafts on both the front and rear suspension, you may need to purchase multiple packs depending on your HYPER 9 setup.
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 HOBAO HYPER 9 ARM SHAFTS M3X42 (2) H89019 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.
- Manufacturer: HoBao
- Part Number: H89019
- EAN: 4717677179019
- Product: HoBao HYPER 9 Arm Shafts
- Thread Size: M3
- Length: 42mm
- Quantity: 2 pieces
- Type: Suspension arm shaft replacement component
- Compatibility: HoBao HYPER 9 RC vehicle
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- 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.
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