- Capacity: 5000 mAh
- Connectors: Tamiya
- Voltage: 7.2 V
- Weight: 424 g
- Height: 25 mm
- Length: 142 mm
- Width: 48 mm
- Supplier Id: B-5000-7.2V-NiMH-Tamiya
The Arrma ARA310971 24T Mod1 Safe-D pinion gear in black is a precision-engineered upgrade designed for RC enthusiasts who demand consistent drivetrain performance and long-term durability. Manufactured from tough steel and built to withstand extreme RC conditions, this gear delivers smooth torque transfer and secure motor engagement. Its 24-tooth Mod1 profile ensures refined power delivery, while the Safe-D interface adds mechanical security during high-impact use. Whether you're racing or bashing, the Arrma ARA310971 steel pinion gear upgrade offers a reliable solution for high-performance RC applications.
Key features of the Arrma ARA310971 24T Mod1 Safe-D pinion gear
- Steel construction – engineered for long-lasting durability under extreme RC conditions
- Wide tooth profile – promotes smooth and efficient power delivery
- Safe-D interface – retains drive and braking even if the set-screw loosens
- D-shaped hole – matches motor shaft profile for secure mechanical engagement
- Threaded set-screw hole – precision machined for dependable fastening
- 5mm shaft compatibility – fits standard RC motor shafts with ease
- Includes E-clip – enhances motor shaft pinion retention and stability
- Includes M4 x 4mm set screw – secures gear tightly to motor shaft
Why choose the Arrma ARA310971 steel pinion gear upgrade for RC performance?
The Arrma ARA310971 steel pinion gear upgrade is crafted from hardened steel, making it exceptionally resilient in demanding RC environments. Whether you're navigating rough terrain or pushing your vehicle to its limits, this gear resists wear and deformation. Its robust material composition ensures that the gear maintains its shape and performance over time, reducing the need for frequent replacements and offering peace of mind for serious RC drivers.
How does the wide tooth profile enhance drivetrain efficiency?
One of the standout features of the Arrma ARA310971 pinion gear with wide tooth profile and steel durability is its precision-machined tooth geometry. The wider profile allows for better engagement with the spur gear, resulting in smoother power transfer and reduced operational noise. This design also helps distribute load more evenly across the gear teeth, minimising stress and extending the lifespan of both the pinion and the mating gear. For users seeking refined control and consistent acceleration, this feature is a significant advantage.
What makes the Safe-D interface a dependable choice for RC applications?
The Safe-D interface featured in the Arrma ARA310971 gear with D-shaped hole and threaded set-screw is a critical innovation for maintaining drivetrain integrity. By matching the D-shaped motor shaft profile, the gear ensures that drive and braking functions are retained even if the set-screw backs out. This added layer of security is especially valuable during high-impact driving, where vibrations and torque can loosen fasteners. The precision-threaded set-screw hole further enhances retention, making this gear a dependable choice for competitive and recreational use.
Is the Arrma ARA310971 pinion gear compatible with standard motor shafts?
Compatibility is key when selecting drivetrain components, and the Arrma ARA310971 pinion gear for 5mm motor shaft and E-clip retention is designed to fit seamlessly with standard 5mm motor shafts. This ensures broad usability across a range of RC models and simplifies installation. The inclusion of a 3.2mm E-clip adds another layer of retention, helping to secure the gear in place and prevent axial movement during operation. These features combine to offer a hassle-free upgrade that integrates smoothly into existing setups.
Is the Arrma ARA310971 HD pinion gear for RC cars the best option for long-term reliability?
For RC enthusiasts looking for dependable performance, the Arrma ARA310971 HD pinion gear for RC cars offers a compelling blend of strength, precision, and security. Its steel construction and Safe-D profile make it a standout choice for users who prioritise drivetrain stability and longevity. The gear’s ability to maintain consistent engagement and resist mechanical stress makes it one of the best options available for serious hobbyists and competitive drivers alike.
Can the Arrma ARA310971 pinion gear deliver affordable performance?
Despite its premium build quality, the Arrma ARA310971 pinion gear for extreme RC conditions and precision shaft alignment remains an affordable upgrade for those seeking enhanced drivetrain performance. Its combination of steel durability, precision machining, and secure fitment features offers excellent value for money. This makes it a smart investment for users who want to improve their RC vehicle’s reliability without overspending.
Ready to buy the Arrma ARA310971 24T Mod1 Safe-D pinion gear?
Whether you're upgrading your drivetrain or replacing a worn component, the Arrma ARA310971 24T Mod1 Safe-D pinion gear in black delivers the performance and security RC enthusiasts demand. With its steel build, wide tooth profile, and Safe-D retention system, this gear is engineered for reliability. Don’t miss out—buy Arrma ARA310971 24T Mod1 Safe-D pinion gear today and experience smoother, more secure RC driving.
Brand, Model, Product Type
- Brand: Arrma
- Model: ARA310971
- Product Colour: Black
- Product Type: Arrma ARA310971 24T Mod1 Safe-D pinion gear, Arrma ARA310971 steel pinion gear upgrade, Arrma ARA310971 HD pinion gear for RC cars, Arrma ARA310971 pinion gear with wide tooth profile and steel durability, Arrma ARA310971 gear with D-shaped hole and threaded set-screw
Dimensions and Weight
- Gear diameter: approx. 2.4 cm – precision-sized for Mod1 gearing systems and optimal torque delivery
- Tooth count: 24T – engineered for smooth and consistent power transfer in high-performance RC applications
- Shaft compatibility: 0.5 cm (5mm) – designed to fit standard RC motor shafts securely
- Weight: approx. 0.02 kg – lightweight build reduces rotational resistance while maintaining strength
Material and Build Quality
- Material: Hardened steel – built for long-lasting durability in extreme RC conditions
- Finish: Black – corrosion-resistant coating complements most RC vehicle setups
- Manufacturing: Precision machined – ensures accurate tooth engagement and smooth drivetrain operation
Gear Profile and Performance
- Tooth profile: Wide Mod1 – promotes efficient torque transfer and reduces wear during high-load use
- Drive interface: Safe-D design – retains drive and braking even if the set-screw loosens
- Hole shape: D-shaped – matches motor shaft profile for secure mechanical connection
Fastening and Retention Features
- Set-screw hole: Threaded M4 x 4mm – precision cut for reliable fastening and long-term retention
- Included set screw: 1 x M4 x 4mm – secures gear to motor shaft with high retention strength
- Included E-clip: 1 x 3.2 cm – prevents axial movement and enhances drivetrain stability
Compatibility and Use Case
- Designed for: RC cars using Mod1 gearing and 5mm motor shafts
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.