Overview
The Hobbywing 3.2mm to 5mm Motor Shaft Adaptor (HW86060140) is an essential spare part for RC enthusiasts who need to bridge the gap between different motor and pinion gear specifications. This shaft sleeve is specially designed for situations where your brushless motor has a 3.17mm shaft diameter but your pinion gear features a 5mm internal diameter. Whether you're building a custom 1/8 scale RC car, upgrading an existing setup, or replacing a worn adaptor on your competition vehicle, this precision-engineered component ensures a secure and reliable connection between your motor and drivetrain. Available from RC Model Shop, a trusted UK RC retailer, this adaptor represents quality engineering from Hobbywing, one of the world's leading manufacturers of brushless electronics for RC models.
This motor shaft sleeve is an indispensable component for RC car builders across the UK who demand compatibility and reliability. Whether you're working with touring cars, buggies, trucks or other 1/8 scale RC vehicles, having the correct shaft adaptor ensures smooth power delivery from your brushless motor to your pinion gear without slippage or misalignment. Many RC enthusiasts discover they need an adaptor when upgrading motors or gears, and this Hobbywing solution provides the perfect fit for 3.17mm to 5mm applications. The product is compact, easy to install, and built to Hobbywing's exacting standards for durability.
For weekend bashers, serious competitors, and everyone in between, maintaining proper motor-to-gear connections is critical for optimal RC performance. This shaft adaptor eliminates the frustration of incompatible shaft sizes and helps you get your RC car UK-ready in minutes. Stock this essential spare in your RC toolkit today.
Key Features
- Precision 3.17mm to 5mm Shaft Adaptation — This adaptor is manufactured to exact specifications to convert a 3.17mm motor shaft diameter to fit a 5mm internal pinion gear diameter, ensuring perfect alignment and eliminating wobble or slippage during operation.
- Hobbywing Engineering Quality — Manufactured by Hobbywing, a globally recognised leader in brushless RC motor electronics and components, this adaptor reflects decades of expertise in precision RC engineering and quality control standards.
- Essential Motor Spare Part — Whether you're replacing a damaged adaptor, upgrading your motor and pinion gear combination, or building a custom RC car from scratch, this component is fundamental to connecting your power system correctly.
- Compact and Lightweight Design — The small form factor means it adds minimal weight to your RC car whilst providing a critical functional connection between motor and transmission.
- Universal 1/8 Scale Compatibility — This adaptor works with any 1/8 scale RC car, buggy, truck or truggy that uses a 3.17mm motor shaft and 5mm pinion gear, making it a versatile addition to your spare parts collection.
- Affordable Precision Component — At excellent value, this Hobbywing shaft sleeve delivers professional-grade engineering without the premium price tag, making it accessible for all RC enthusiasts.
Technical Performance
The Hobbywing Motor Shaft Adaptor HW86060140 represents precision manufacturing at its finest. This shaft sleeve is engineered to exacting tolerances to ensure that the 3.17mm diameter motor shaft fits securely within the adaptor whilst allowing the adaptor's 5mm outer diameter to mate perfectly with your pinion gear's 5mm internal bore. The quality of construction ensures minimal wear during operation, maintaining a secure connection through countless hours of RC driving. Whether you're running a competition-spec 1/8 scale touring car, a brushless RC buggy, or a street-bashing truck, this adaptor provides the mechanical interface your drivetrain demands. Hobbywing's reputation for building components that withstand the rigours of high-performance RC use is evident in every detail of this product. The adaptor's engineering ensures proper torque transmission from your brushless motor to your pinion gear without energy loss or mechanical slippage, critical for both racing and recreational use. This is a genuine Hobbywing component manufactured to the same standards as their industry-leading brushless motors and electronic speed controllers.
What's in the Box
- 1x Hobbywing Motor Shaft Adaptor (3.17mm to 5mm)
Frequently Asked Questions
- What motor shaft and pinion gear sizes does this adaptor work with? — This adaptor is designed specifically for motors with a 3.17mm shaft diameter and pinion gears with a 5mm internal diameter. It bridges the gap between these two common sizes used in 1/8 scale RC cars and trucks across the UK.
- When would I need this motor shaft adaptor? — You would need this adaptor when building or upgrading an RC car with a motor that has a 3.17mm shaft but your pinion gear requires a 5mm bore. This commonly occurs when swapping motors, upgrading gears, or building custom RC setups. If you already have mismatched shaft and gear sizes, this adaptor solves the problem.
- Is this adaptor suitable for competition-level RC racing? — Yes, absolutely. Hobbywing manufactures components used by professional RC racers worldwide. This shaft adaptor provides the reliable, precise mechanical connection that competition vehicles demand, whether you're racing 1/8 scale buggies, touring cars, or trucks.
- How do I install the motor shaft adaptor? — Installation is straightforward: slide the adaptor onto your 3.17mm motor shaft, then insert the combination into your 5mm pinion gear bore. Ensure it sits flush and secure before operation. Always check that your motor and gear are properly aligned before running.
- What is the difference between this and other shaft adaptors? — Hobbywing adaptors are manufactured to precise engineering specifications with tight tolerances, ensuring minimal runout and maximum reliability. This component is built to the same exacting standards as Hobbywing's brushless motors and electronic speed controllers, making it a trusted choice for RC enthusiasts across the UK.
- Will this work with my 1/8 scale RC car? — If your 1/8 scale RC car has a motor with a 3.17mm shaft diameter and a pinion gear with a 5mm internal bore, then yes, this adaptor is the perfect solution. It's compatible with numerous 1/8 scale platforms including buggies, trucks, truggies and touring cars.
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 HOBBYWING 3.2MM (1/8) TO 5MM MOTOR SHAFT ADAPTOR HW86060140 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.
- Brand: Hobbywing
- Model Number: HW86060140
- EAN: 5051294142858
- Product Type: Motor Shaft Adaptor
- Scale: 1/8
- Motor Shaft Diameter (Input): 3.17mm
- Pinion Gear Bore Diameter (Output): 5mm
- Application: Motor to pinion gear connection for 1/8 scale RC cars, buggies, trucks and truggies
- Compatibility: Any 1/8 scale RC vehicle using 3.17mm motor shaft with 5mm pinion gear bore
- Manufacturer: Hobbywing
- RRP: £2.99
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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- 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.
