- Scale: 1/10
- Weight: 2.72 Kg
- Height: 175 mm
- Length: 536 mm
- Width: 297 mm
The Arrma ARA310977 input shaft cup Safe-D is a precision-engineered drivetrain component designed to deliver secure gear engagement and long-lasting performance in demanding RC applications. Manufactured from strong black steel, this component is built to withstand the rigours of high-speed driving and off-road terrain. Its Safe-D keyed design ensures continued drive even if the attachment screw loosens, making it a dependable upgrade for serious RC enthusiasts. With a focus on durability, fitment accuracy, and operational reliability, the Arrma ARA310977 steel Safe-D drive cup is an essential part of any performance-focused RC drivetrain.
Key features of the Arrma ARA310977 input shaft cup Safe-D
- Steel construction – engineered for strength and long-term durability under high-load conditions
- Safe-D keyed design – maintains drive even if the securing screw loosens during operation
- Precision screw threads – ensures secure and stable fitment of the set screw
- Includes set screw – packaged with M4 x 6mm screw for immediate installation
The Arrma ARA310977 RC input gear upgrade is machined from a high-grade steel material that offers exceptional resistance to wear and deformation. This makes it ideal for RC drivers who frequently operate in high-torque environments or on rough terrain. The black finish not only complements the aesthetic of Arrma vehicles but also provides an added layer of corrosion resistance. This combination of material strength and protective coating ensures that the drive cup remains reliable over extended use.
How does the Safe-D keyed design improve drivetrain reliability?
One of the most important features of the input shaft ARA310977 Arrma steel cup with Safe-D design is its ability to maintain drive even if the securing screw loosens. The keyed interface between the input gear and drive cup ensures that torque is still transferred effectively, reducing the risk of drivetrain failure during operation. This design is particularly beneficial for competitive RC drivers who require uninterrupted performance and cannot afford mechanical interruptions mid-run.
Is the Arrma ARA310977 steel Safe-D drive cup easy to install?
Installation of the Arrma ARA310977 steel Safe-D drive cup is straightforward thanks to its precision-machined screw threads and included M4 x 6mm set screw. The threads are designed to provide a secure and stable fit, minimising the risk of loosening during use. This makes the component suitable for both experienced hobbyists and those new to RC maintenance. The included screw ensures that users have everything needed for immediate installation without sourcing additional hardware.
What makes the screw fitment of the Arrma ARA310977 input shaft cup Safe-D so secure?
The gear cup ARA310977 Arrma secure screw thread fit features precision-engineered threading that allows the set screw to lock firmly into place. This secure fitment is critical for maintaining consistent gear engagement and preventing drivetrain slippage. The threading is designed to resist vibration and torque-induced loosening, which are common challenges in high-performance RC applications. By ensuring a tight and reliable connection, this feature contributes significantly to the overall durability and performance of the drivetrain.
The drive cup ARA310977 Arrma keyed gear connection is compatible with Safe-D input gears matched to main differential gear assemblies. This compatibility ensures seamless integration into existing Arrma drivetrain systems, allowing users to upgrade or replace components without concern for fitment issues. The keyed connection enhances torque transfer and reduces wear on surrounding components, making it a smart choice for those looking to extend the lifespan of their RC drivetrain.
Why is the Arrma ARA310977 RC input gear upgrade a smart investment?
For RC enthusiasts seeking a dependable and long-lasting drivetrain solution, the Arrma ARA310977 RC input gear upgrade offers excellent value. Its steel construction, keyed Safe-D design, and secure screw fitment combine to deliver consistent performance across a range of driving conditions. This makes the component an affordable option for those looking to enhance drivetrain reliability without compromising on quality. Whether you're upgrading a single vehicle or maintaining a fleet, this drive cup delivers the durability and precision needed for serious RC driving.
In conclusion, the Arrma ARA310977 input shaft cup Safe-D is a high-quality component that brings together strength, precision, and reliability. Its black steel construction, keyed gear interface, and secure screw threading make it a standout choice for RC drivers who demand performance and durability. With included hardware and compatibility with Safe-D input gears, installation is quick and hassle-free. Buy Arrma ARA310977 input shaft cup Safe-D today and experience enhanced drivetrain stability with every run.
Brand, Model and Product Type
- Brand: Arrma
- Model: ARA310977
- Product Type: Arrma ARA310977 input shaft cup Safe-D, Arrma ARA310977 steel Safe-D drive cup, Arrma ARA310977 RC input gear upgrade, input shaft ARA310977 Arrma steel cup with Safe-D design, drive cup ARA310977 Arrma keyed gear connection
- Product Colour: Black
Dimensions and Weight
- Input shaft cup length: approximately 1.5 cm for compact drivetrain integration
- Outer diameter: precision-machined to match Safe-D compatible input gear dimensions
- Set screw size: M4 x 0.6 cm for secure fastening
- Weight: optimised for lightweight RC drivetrain performance without compromising strength
Material and Build Quality
- Machined from strong and durable steel for high-load resistance
- Black finish enhances corrosion resistance and visual integration with Arrma drivetrain components
- Steel composition ensures long-term reliability under stress and vibration
Compatibility and Fitment
- Designed for Safe-D compatible input gears matched to main differential gear assemblies
- Keyed interface between input gear and drive cup maintains torque transfer even if screw loosens
- Compatible with ARA310976 sleeve set for complete drivetrain assembly
Operational Features
- Safe-D keyed design ensures continued drive in the event of screw loosening
- Precision screw threads provide secure and stable fitment of the set screw
- Drive cup maintains consistent gear mesh and reduces drivetrain slippage
Packaging and Contents
- Includes: 1 x input shaft cup (Safe-D)
- Includes: 1 x set screw M4 x 6 mm for immediate installation
- Packaged for direct integration into Arrma drivetrain systems
Installation and Maintenance
- Simple installation process with included screw and precision threading
- Requires ARA310976 sleeve set for full drivetrain compatibility
- Low-maintenance design reduces frequency of replacements and servicing
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.
