- Manufacturer: ARRMA
- Part Number: Z-ARA311058
- EAN: 5052127039086
- Product Type: Pinion Gear
- Tooth Count: 28T
- Gear Pitch: Mod1
- Bore Type: Safe-D5
- Compatible Vehicle: ARRMA 1/5 Kraton 4X4 8S BLX EXB Brushless Monster Truck RTR
Overview
The ARRMA 28T Mod1 Safe-D5 Pinion Gear is an essential replacement component for RC enthusiasts running ARRMA 1/5 scale brushless monster trucks in the UK. This precision-engineered pinion gear is specifically designed to work seamlessly with the Safe-D5 bore system, ensuring reliable power transmission and optimal performance on the track or off-road terrain. Whether you're a weekend basher pushing your RC to the limit or a serious competitor looking for OEM-standard replacement parts, this pinion gear delivers the quality and compatibility you need to keep your RC monster truck running at its best.
As a trusted supplier of genuine ARRMA parts and accessories, we understand that high-performance RC vehicles demand high-quality components. The 28T Mod1 configuration offers a precise balance of acceleration and top-end speed, making it an ideal choice for drivers seeking enhanced performance characteristics. This is a genuine ARRMA part manufactured to the exacting standards the brand is recognised for, ensuring perfect fit and function with your existing drivetrain components.
RC car enthusiasts across the UK rely on quality pinion gears to maintain consistent performance and extend the lifespan of their drivetrains. The ARRMA 28T Mod1 Safe-D5 Pinion Gear represents the kind of precision engineering that separates reliable RC models from those that underperform. By choosing this genuine ARRMA component, you're investing in the longevity and reliability of your 1/5 scale brushless monster truck.
Key Features
- 28-Tooth Configuration — The 28-tooth count provides an optimised gear ratio that balances acceleration response with top-speed capability, allowing drivers to fine-tune their RC monster truck's performance characteristics to match their driving style and track conditions.
- Mod1 Gear Pitch — The Mod1 specification ensures this pinion gear meshes precisely with compatible spur gears in the ARRMA drivetrain, delivering smooth power transmission, reduced noise, and improved drivetrain efficiency throughout acceleration and cruising.
- Safe-D5 Bore System — The Safe-D5 bore provides a secure, standardised fitting that guarantees compatibility with ARRMA 1/5 scale brushless systems, eliminating guesswork and ensuring the gear seats perfectly on the motor shaft without slipping or misalignment.
- Genuine ARRMA Manufacturing — This is an authentic ARRMA component manufactured to original equipment specifications, guaranteeing the same precision, material quality, and performance standards as the parts fitted in factory-built models.
- Replacement and Upgrade Ready — Whether replacing a worn pinion gear or upgrading your drivetrain configuration, this component is ready to install and perform immediately, saving you time and delivering instant performance improvements.
- Compatible with ARRMA Kraton 4X4 8S BLX EXB — Specifically engineered to work with the ARRMA 1/5 Kraton 4X4 8S BLX EXB Brushless Monster Truck RTR, ensuring absolute compatibility with one of the most popular 1/5 scale brushless RC monsters available to UK buyers.
Technical Performance
The ARRMA 28T Mod1 Safe-D5 Pinion Gear represents precision engineering designed specifically for high-performance 1/5 scale brushless RC monster trucks. With 28 teeth and a Mod1 gear pitch, this component delivers optimal meshing characteristics with compatible spur gears, resulting in smooth power delivery, reduced drivetrain noise, and improved overall efficiency. The Safe-D5 bore system ensures a secure fit on modern ARRMA motor shafts, eliminating play and maintaining precise alignment even during aggressive acceleration and hard cornering. Manufactured to exact OEM specifications, this pinion gear is constructed from high-grade materials engineered to withstand the extreme torque and rotational forces generated by 8S LiPo brushless systems found in competition-grade RC monster trucks. The gear's tooth profile is precisely cut to mate perfectly with ARRMA spur gears, ensuring consistent engagement and reliable power transmission whether you're running at low speeds with maximum torque or pushing for top-end speed across open terrain. This is a genuine replacement part that meets the same engineering and quality standards applied to factory-built ARRMA 1/5 scale brushless models.
What's in the Box
- ARRMA 28T Mod1 Safe-D5 Pinion Gear
Frequently Asked Questions
- Which ARRMA models is this 28T Mod1 Safe-D5 Pinion Gear compatible with? — This pinion gear is confirmed compatible with the ARRMA 1/5 Kraton 4X4 8S BLX EXB Brushless Monster Truck RTR. If you own a different ARRMA model, we recommend checking your vehicle's documentation or contacting our expert team to confirm compatibility before purchasing.
- What does the Mod1 specification mean? — Mod1 refers to the gear pitch module, which determines the size and spacing of the gear teeth. A Mod1 pitch ensures this pinion gear meshes correctly with compatible Mod1 spur gears in your ARRMA drivetrain, delivering smooth engagement and efficient power transmission.
- What is the Safe-D5 bore system? — Safe-D5 is ARRMA's standardised bore specification for modern brushless motor shafts used in their 1/5 scale models. This bore design ensures a secure, wobble-free fit and is the standard fitment for current-generation ARRMA brushless vehicles like the Kraton 4X4 8S BLX.
- When should I replace my pinion gear? — Replace your pinion gear if you notice signs of wear such as broken teeth, stripped teeth, visible cracks, unusual noise during operation, or loss of power transmission efficiency. Regular inspection during maintenance is recommended, particularly if you run your RC monster truck frequently.
- Is this a genuine ARRMA part? — Yes, this is a genuine ARRMA original equipment component manufactured to the exact specifications and quality standards applied to factory-built ARRMA models. Buying genuine parts ensures perfect compatibility and reliable performance.
- How do I install this pinion gear? — Installation requires removing the motor from your RC monster truck, sliding the old pinion gear off the motor shaft, and sliding the new gear onto the shaft until it seats firmly in the Safe-D5 bore. We recommend consulting your vehicle's manual or contacting our experienced team if you're unsure about the installation process.
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 28T Mod1 Safe-D5 Pinion Gear Z-ARA311058 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.
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