- Capacity: 2700 mAh
- Connectors: BEC
- Voltage: 11.1 V
- Weight: 147 g
- Height: 24 mm
- Length: 92 mm
- Width: 29 mm
- Supplier Id: B-TX-2700-3S1P
Designed for RC enthusiasts who demand precision, durability, and drivetrain stability, the ARRMA ARA310951 39T MOD1 spool gear 8mm bore in silver offers a robust solution for fine-tuning gear ratios in high-performance setups. Manufactured from strong steel and engineered to fit 8mm shafts, this spool gear delivers consistent power transfer and secure installation under extreme RC conditions. Whether you're upgrading a basher or refining a race-tuned platform, the ARRMA spool gear ARA310951 with steel teeth and dual screw holes provides the reliability and control needed for demanding terrain and torque-heavy applications.
Key features of the ARRMA ARA310951 39T MOD1 spool gear 8mm bore
- Steel construction - resists wear and delivers long-term durability in high-torque environments
- Precision tooth profile - ensures smooth gear engagement and efficient power transfer
- Dual screw holes - allows secure mounting from both sides of the shaft for added stability
- 8mm bore compatibility - fits snugly onto standard 8mm spool shafts without modification
- Includes M4 set screw and screw pin - simplifies installation and enhances gear retention
Why choose the ARRMA ARA310951 39T MOD1 spool gear 8mm bore for drivetrain tuning?
The ARRMA ARA310951 steel spool gear for RC cars is precision-engineered to deliver consistent performance across a wide range of RC platforms. Its 39-tooth MOD1 configuration allows users to fine-tune gear ratios for optimal speed and torque balance. The steel construction ensures that the gear maintains its integrity under high loads, making it suitable for aggressive driving styles and challenging terrain. This gear is ideal for hobbyists who require dependable drivetrain components that won’t compromise under pressure.
How does the precision tooth profile improve gear engagement?
The ARRMA MOD1 gear ARA310951 featuring precision tooth profile and 8mm shaft fit is manufactured with exacting tolerances to ensure smooth and efficient gear meshing. The MOD1 pitch is designed for high-load applications, and the tooth profile reduces friction and vibration during operation. This results in quieter performance, improved power transfer, and reduced wear on surrounding drivetrain components. Whether you're racing or bashing, the precision tooth profile contributes to a more responsive and stable driving experience.
What makes the dual screw holes a valuable feature?
The ARRMA spool gear ARA310951 with steel teeth and dual screw holes includes two precision-machined set screw holes positioned on either side of the spool shaft. This dual-point mounting system enhances rotational stability and prevents slippage under load. The included M4 x 4mm set screw and M4 screw pin work together to lock the gear securely in place, even during high-torque acceleration. This feature is particularly beneficial for users who demand consistent performance and minimal drivetrain maintenance.
Is the ARRMA ARA310951 spool gear compatible with standard 8mm shafts?
Yes, the ARRMA ARA310951 precision MOD1 gear upgrade is specifically designed to fit 8mm diameter shafts. The bore is machined to exact specifications, ensuring a snug and secure fit without the need for adapters or modifications. This compatibility streamlines installation and allows users to upgrade their drivetrain with confidence, knowing that the gear will integrate seamlessly with existing components.
What’s included with the ARRMA ARA310951 spool gear?
The ARRMA ARA310951 spool gear with screw pin and extreme condition durability comes complete with all necessary hardware for installation. In addition to the steel 39T MOD1 gear, the package includes a precision M4 x 4mm set screw and an M4 screw pin. These components are designed to work in tandem with the dual screw holes, providing a secure and balanced fit that enhances drivetrain reliability. This comprehensive inclusion ensures that users can install the gear quickly and correctly without sourcing additional parts.
Looking for an affordable upgrade for bashers and racers?
The affordable ARRMA ARA310951 spool gear with secure screw fit for bashers and racers offers premium performance at a competitive price. Its steel construction and precision engineering make it a cost-effective solution for users seeking durability and drivetrain stability. Whether you're building a high-torque crawler or a speed-focused racer, this spool gear delivers consistent results without compromising on quality or reliability.
Buy ARRMA ARA310951 spool gear with 8mm bore for RC drivetrain tuning
For RC enthusiasts looking to fine-tune their drivetrain setup, the ARRMA ARA310951 39T MOD1 spool gear 8mm bore in silver is a high-quality upgrade that combines strength, precision, and ease of installation. With its secure screw fit, steel construction, and compatibility with 8mm shafts, this gear is built for serious performance. Buy ARRMA ARA310951 spool gear with 8mm bore for RC drivetrain tuning and experience smoother power delivery and enhanced reliability today.
Brand, Model and Product Type
- Brand: ARRMA
- Model Number: ARA310951
- Product Colour: Silver
- Product Type: ARRMA ARA310951 39T MOD1 spool gear 8mm bore, ARRMA ARA310951 steel spool gear for RC cars, ARRMA ARA310951 precision MOD1 gear upgrade, ARRMA spool gear ARA310951 with steel teeth and dual screw holes, ARRMA MOD1 gear ARA310951 featuring precision tooth profile and 8mm shaft fit
Dimensions and Weight
- Gear Diameter: 3.9 cm (39T configuration for refined torque and speed balance)
- Bore Diameter: 0.8 cm (precisely engineered to fit 8mm spool shafts)
- Tooth Pitch: MOD1 (ideal for high-load RC drivetrain systems)
- Weight: Optimised for drivetrain stability and vehicle balance
Material and Build Quality
- Manufactured from strong and durable steel for long-lasting performance
- Designed to withstand extreme RC conditions including high torque and off-road stress
- Silver finish enhances corrosion resistance and complements RC component aesthetics
Gear Profile and Engagement
- Precision manufactured tooth profile ensures smooth and consistent gear engagement
- MOD1 pitch supports efficient power transfer and reduces drivetrain wear
- Tooth alignment engineered to minimise vibration and operational noise
Mounting and Fitment
- Compatible with 8mm diameter spool shafts for secure installation
- Dual precision-machined set screw holes allow mounting from both sides of the shaft
- Includes M4 x 4mm set screw for firm axial retention
- Includes M4 screw pin for enhanced rotational stability
Performance and Use Case
- Ideal for RC cars requiring durable spool gear upgrades
- Suitable for drivetrain tuning in high-performance RC platforms
- Supports consistent power delivery in competitive and recreational setups
Installation and Maintenance
- Supplied with all necessary hardware for straightforward installation
- Steel construction reduces maintenance frequency due to wear resistance
- Secure screw fit prevents gear slippage under load
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.
