- Manufacturer: ARRMA
- Part Number: Z-ARA311050
- EAN: 5052127038539
- Gear Pitch: Mod 1
- Number of Teeth: 30T
- Bore Type: Safe-D8
Overview
The ARRMA 30T Mod1 Safe-D8 Pinion Gear Z-ARA311050 is a precision-engineered replacement pinion gear designed specifically for ARRMA RC vehicles. This high-quality component is essential for anyone maintaining or upgrading their RC car UK setup, whether you're running a ready to run RC model or a competition-grade build. The pinion gear is a critical part of your vehicle's drivetrain, directly affecting acceleration, top speed, and overall performance characteristics of your brushless RC car or truck.
As an authorised ARRMA supplier, RC Model Shop stocks genuine pinion gears for enthusiasts across the UK who demand reliability and authentic performance from their RC hobby investments. Whether you're replacing a worn component, tuning your gearing for different track conditions, or building a custom drivetrain setup, this 30T pinion gear offers the precision and durability you need. The Mod1 specification and Safe-D8 bore design ensure perfect compatibility with ARRMA's range of vehicles, making this an essential spare part for bashers, racers, and weekend hobbyists alike.
Pinion gears are wearing parts that require periodic replacement as your RC car gets extensive use. Having quality spare gears on hand means you can keep your vehicle running at peak performance without downtime. The ARRMA 30T Mod1 Safe-D8 represents the engineering standard you'd expect from one of the RC industry's most respected manufacturers, offering reliable performance at a competitive price point.
Key Features
- 30 Teeth Configuration — With 30 teeth, this pinion gear delivers a specific gear ratio that influences your vehicle's acceleration and top speed characteristics. The tooth count is critical for matching your motor's performance envelope and achieving the optimal balance between torque and velocity for your driving style and terrain.
- Mod1 Gear Pitch — The Mod1 (Module 1) specification is a standardised gear pitch measurement used across ARRMA's product range. This ensures perfect meshing with your spur gear and drivetrain components, providing smooth power delivery, reduced noise, and minimal wear during operation of your RC model.
- Safe-D8 Bore Design — The Safe-D8 bore is ARRMA's proprietary shaft connection system designed to provide secure engagement with your vehicle's motor shaft whilst preventing damage and wobbling. This design element is crucial for maintaining drivetrain integrity and protecting both the pinion gear and motor shaft from premature wear.
- Genuine ARRMA Component — As an authentic ARRMA part, this pinion gear is manufactured to exact specifications and quality standards. Using genuine parts ensures compatibility, reliability, and longevity, protecting your investment in your RC car and maintaining warranty coverage where applicable.
- Affordable Spare Part — Pinion gears are consumable components that wear with use, and having affordable replacements available means you can maintain your vehicle in peak condition without expensive downtime or sourcing delays from across the RC hobby community in the UK.
Technical Performance
The ARRMA 30T Mod1 Safe-D8 Pinion Gear is engineered with precision manufacturing standards that ensure smooth engagement with your vehicle's spur gear and drivetrain components. The Mod1 gear pitch specification is a standardised measurement across the ARRMA product ecosystem, meaning this pinion will mesh perfectly with compatible spur gears without binding, slipping, or excessive wear. The Safe-D8 bore design provides a secure mechanical connection to your motor shaft whilst incorporating ARRMA's safety features to prevent damage to both the gear and motor during aggressive driving or crashes. The 30-tooth configuration represents a mid-range gear ratio option within ARRMA's pinion lineup, offering a balanced approach to acceleration and top speed that suits various driving conditions and motor specifications. Whether you're running a high-KV motor for maximum speed on a smooth track or a lower-KV motor for torquey acceleration in rough terrain, the correct pinion gear ratio is essential for extracting optimal performance from your brushless motor setup. Regular inspection and replacement of worn pinion gears is recommended practice for maintaining your RC vehicle's performance characteristics, as worn teeth can cause drivetrain noise, inconsistent power delivery, and increased wear on mating components.
What's in the Box
- ARRMA 30T Mod1 Safe-D8 Pinion Gear
Frequently Asked Questions
- What is a pinion gear and why does my RC car need one? — A pinion gear is a small gear mounted on your motor shaft that meshes with a larger spur gear on your RC vehicle's transmission. The pinion transfers power from the motor to the wheels through the spur gear. The number of teeth on the pinion directly affects your vehicle's performance: fewer teeth equals higher top speed but less acceleration, whilst more teeth increases acceleration but reduces maximum speed. This is why having the correct pinion gear ratio for your motor and driving style is crucial.
- How often should I replace my pinion gear? — Pinion gears are wearing parts that gradually wear down with use, especially with frequent RC bashing or racing. The frequency of replacement depends on your driving intensity, terrain, and maintenance practices. Many RC enthusiasts keep several spare pinions on hand so they can continue driving whilst others are being cleaned or inspected. If you notice grinding noises, jerky acceleration, or visible tooth wear, it's time to replace your pinion gear.
- Is the ARRMA 30T Mod1 Safe-D8 compatible with all ARRMA models? — The Mod1 pitch and Safe-D8 bore design are standard across many ARRMA vehicles, but compatibility varies by model. You should verify that your specific ARRMA RC car is designed to accept 30-tooth pinions with Safe-D8 bore specification. Consult your vehicle's manual or contact RC Model Shop's expert team if you're unsure about compatibility with your particular model.
- What does Mod1 mean? — Mod1 refers to Module 1, which is a standardised measurement of gear pitch used in RC hobby components. The module specification ensures that gears from the same standard will mesh correctly together. Mod1 is one of the most common standards in RC drivetrain components, widely used across ARRMA's product range and many other RC manufacturers.
- What is the Safe-D8 bore and why does it matter? — The Safe-D8 bore is ARRMA's proprietary shaft connection design that provides secure engagement with your motor shaft. The safety design prevents the gear from slipping on the shaft or becoming damaged if your vehicle crashes or experiences sudden deceleration. This design protects both the pinion gear and your motor shaft, extending the life of your drivetrain components.
- Can I use pinion gears from other manufacturers with ARRMA vehicles? — Whilst some aftermarket pinions may physically fit an ARRMA vehicle, using genuine ARRMA components ensures perfect compatibility, proper tooth engagement, and reliable performance. We recommend always using authentic ARRMA pinion gears to maintain your vehicle's performance standards and protect your investment.
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 ARRMA 30T Mod1 Safe-D8 Pinion Gear Z-ARA311050 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.
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.
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- 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.
