- Battery type: SPMX50004S100H5 x2 (Sold Sepratley)
- Motor type: 4985 1350kv Brushless Watercooled
- Weight: 4.1 Kg
- Height: 184 mm
- Length: 1086 mm
- Width: 387 mm
The Arrma ARA311054 main input gear 10T spiral cut Safe-D is a precision-engineered drivetrain component designed for RC enthusiasts who demand consistent performance and long-lasting durability. Manufactured from hard-wearing steel and finished in black, this spiral-cut gear delivers smooth operation under extreme RC conditions. With ten precision-machined gear teeth and a keyed Safe-D interface, the Arrma ARA311054 steel spiral input gear for RC drivetrain ensures secure engagement with the input shaft cup and composite sleeve, reducing the risk of slippage and wear. Whether you're upgrading your drivetrain or replacing a worn gear, this component offers a reliable solution for high-performance RC setups.
Key features of the Arrma ARA311054 main input gear 10T spiral cut Safe-D
- Spiral-cut tooth profile – promotes smoother gear meshing and quieter drivetrain operation
- Steel construction – provides long-lasting durability and resistance to wear under high torque
- Safe-D keyed fit – enhances gear retention and prevents rotational slippage during aggressive driving
- Composite sleeve interface – improves stability and alignment with the input shaft cup
- 10 precision gear teeth – ensures consistent power transfer and reliable performance in extreme RC conditions
Why choose a spiral-cut tooth profile for RC drivetrain upgrades?
The Arrma ARA311054 precision 10T spiral gear with keyed Safe-D fit features a spiral-cut tooth profile that offers significant advantages over traditional straight-cut gears. Spiral teeth engage more gradually, reducing shock loads and promoting smoother power delivery. This design also minimises noise during operation, making it ideal for high-performance RC vehicles that require both efficiency and refinement. The spiral geometry enhances contact between gear surfaces, which helps distribute load more evenly and reduces wear over time.
How does steel construction improve gear longevity?
The RC gear ARA311054 Arrma steel construction and composite sleeve for secure engagement is built from robust steel, chosen specifically for its ability to withstand the rigours of RC driving. Steel resists deformation and fatigue, even under high torque and repeated stress. This material choice ensures that the gear maintains its shape and performance characteristics over time, reducing the need for frequent replacements. The black finish adds a layer of corrosion resistance while complementing the visual aesthetics of your RC drivetrain.
What makes the Safe-D keyed fit a secure solution?
The Input gear ARA311054 Arrma spiral-cut teeth and Safe-D keyed shaft fit incorporates ARRMA’s Safe-D technology, which uses a keyed interface to lock the gear securely onto the input shaft cup. This design prevents rotational slippage, a common issue in high-torque applications. The keyed fit ensures that the gear remains aligned and engaged during operation, even under aggressive acceleration or braking. Combined with the composite sleeve, this system enhances drivetrain stability and reduces the likelihood of mechanical failure.
Is this the best option for extreme RC conditions?
For RC drivers who push their vehicles to the limit, the best ARA311054 Arrma input gear for extreme RC performance and consistent power delivery offers unmatched reliability. The combination of spiral-cut teeth, steel durability, and Safe-D keyed fit ensures that power is transferred smoothly and securely, even in demanding environments. Whether you're racing, bashing, or navigating rough terrain, this gear maintains consistent engagement and minimises drivetrain wear, making it a top choice for serious hobbyists.
How does the 10T profile enhance drivetrain responsiveness?
The Spiral gear ARA311054 Arrma 10T profile and extreme condition durability is designed with ten precision-machined teeth that optimise torque transfer and responsiveness. This gear tooth count strikes a balance between strength and efficiency, allowing for rapid acceleration without compromising durability. The precise machining ensures uniform contact with the diff gear, reducing vibration and promoting smoother handling. This makes the gear ideal for setups that require quick throttle response and stable power delivery.
Is this an affordable upgrade for serious RC builders?
The affordable ARA311054 Arrma 10T spiral gear for secure RC drivetrain upgrades delivers exceptional value for RC enthusiasts seeking performance without compromise. Its steel construction and spiral-cut profile offer premium features at a competitive price point. The keyed Safe-D fit and composite sleeve further enhance its reliability, making it a smart investment for long-term use. Whether you're building a new drivetrain or refining an existing one, this gear provides a cost-effective solution with high-end performance characteristics.
In conclusion, the Arrma ARA311054 main input gear 10T spiral cut Safe-D is a purpose-built component that combines advanced engineering with durable materials. Its spiral-cut tooth profile ensures smooth operation, while the steel construction and Safe-D keyed fit provide secure engagement and long-term reliability. With ten precision gear teeth and a composite sleeve interface, this gear is tailored for extreme RC conditions and consistent power delivery. Buy ARA311054 Arrma spiral input gear with Safe-D keyed fit and steel durability today and upgrade your drivetrain with confidence.
Brand, Model and Product Type
- Brand: Arrma
- Model: ARA311054
- Product Type: Arrma ARA311054 main input gear 10T spiral cut Safe-D, Arrma ARA311054 steel spiral input gear for RC drivetrain, Arrma ARA311054 precision 10T spiral gear with keyed Safe-D fit, Input gear ARA311054 Arrma spiral-cut teeth and Safe-D keyed shaft fit, RC gear ARA311054 Arrma steel construction and composite sleeve for secure engagement
- Product Colour: Black
Dimensions and Weight
- Gear diameter: Optimised for standard RC drivetrain compatibility
- Tooth count: 10 precision-machined gear teeth for consistent torque transfer
- Length: Compact profile designed for efficient fitment within RC gear assemblies
- Weight: Steel construction offers robust durability without excessive weight
Material and Build Quality
- Constructed from hard-wearing steel for long-lasting performance under extreme RC conditions
- Black finish enhances corrosion resistance and complements RC drivetrain aesthetics
- Precision manufacturing ensures uniform gear tooth geometry and smooth operation
Gear Profile and Engagement
- Spiral-cut tooth profile promotes smoother meshing and reduced drivetrain noise
- Tooth design supports gradual engagement for improved power delivery and reduced wear
- Designed to operate reliably under high torque and aggressive driving conditions
Fitment and Compatibility
- Uses ARRMA Safe-D keyed fit for secure engagement with input shaft cup
- Composite sleeve interface enhances alignment and retention during operation
- Compatible with ARRMA diff gear models AR310497, ARA310976, and ARA310977
Performance and Use Case
- Ideal for RC enthusiasts seeking consistent drivetrain performance and long-term reliability
- Supports smooth power transfer across varied terrain and driving styles
- Engineered for high-performance RC applications requiring secure gear retention
Packaging and Contents
- Includes: 1 x Main Input Gear 10T Spiral Cut
- Packaged for direct installation with no additional components required
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.
