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HobbyZone Champ Gearbox with Brushed Motor Ultra-Micro RC Aircraft Z-HBZ4930

Model No: Z-HBZ4930


COMING SOON 10/06/2026

Coming Soon - Stock Arriving: 10/06/2026

Stock Arriving: 10/06/2026

£24.99

£2.50

£22.49

Inc VAT

1 Year Warranty
We Accept

Overview

The HobbyZone Champ Gearbox with Motor (Z-HBZ4930) is an essential replacement component for maintaining and upgrading your HobbyZone Champ ultra-micro RC aircraft. This genuine OEM spare part combines a high-quality gearbox assembly with an integrated brushed motor, delivering the reliable power delivery your Champ needs for consistent flight performance. Whether you're a seasoned RC pilot looking to maintain your aircraft or a beginner discovering the world of ultra-micro RC flying, this gearbox and motor unit ensures your Champ remains airborne with authentic HobbyZone engineering and compatibility.

Designed specifically for the HobbyZone Champ and compatible variants, this complete gearbox and motor assembly eliminates the need to source components separately. It represents excellent value for RC enthusiasts across the UK who demand genuine replacement parts backed by proper fitment guarantees. The integrated design means faster installation and fewer compatibility issues compared to sourcing gearbox and motor separately. For anyone serious about keeping their RC aircraft in peak flying condition, this is a must-have spare that should feature in your parts box.

RC Model Shop stocks this component as part of our comprehensive range of HobbyZone Champ spares and upgrades. We understand that ultra-micro RC aircraft demand precision components, and we're committed to holding genuine parts in UK stock so you can get back to flying quickly. This gearbox with motor assembly is popular with hobbyists who appreciate the convenience of all-in-one components and the assurance of OEM quality.

Key Features

  • Genuine HobbyZone OEM Component — This is an original manufacturer part, ensuring perfect fitment and performance with your HobbyZone Champ aircraft and maintaining the integrity of your model's powertrain system.
  • Integrated Gearbox and Motor Assembly — The combined gearbox and brushed motor unit arrives pre-assembled, eliminating compatibility concerns and reducing installation complexity for replacement or upgrade work.
  • Brushed Motor Technology — The brushed motor provides smooth, reliable power delivery ideal for the gentle flight characteristics required of ultra-micro RC aircraft, with predictable throttle response and forgiving flight behaviour.
  • Direct Fitment for HobbyZone Champ — Engineered specifically for the HobbyZone Champ airframe, this component requires no modifications or adapters, ensuring seamless integration with your existing aircraft structure.
  • Replacement and Upgrade Potential — Perfect for replacing worn or damaged gearbox and motor units, or for building backup aircraft and maintaining a well-stocked spare parts collection.
  • Compatible with Standard HobbyZone Champ Systems — Works with the standard Champ electronic and mechanical systems, making it an ideal choice for standard variant aircraft owners.

Technical Performance

The HobbyZone Champ Gearbox with Motor assembly represents quality engineering optimised for ultra-micro RC flight. The brushed motor delivers consistent power output with the smooth, linear throttle response that ultra-micro aircraft require for stable, predictable flight characteristics. The integrated gearbox provides the necessary speed reduction and torque multiplication to drive the Champ's propeller system effectively across the entire flight envelope, from gentle thermal soaring to more spirited manoeuvres. Built to OEM specifications, this assembly uses materials and construction techniques proven across thousands of flight hours in the field. The brushed motor type offers inherent advantages for slow-speed flight, with excellent control authority at low throttle settings—a critical requirement for ultra-micro aircraft that often operate at very modest airspeeds. The gearbox ratio is optimised for the Champ's propeller system, delivering the correct balance between thrust and efficiency. Installation involves straightforward mechanical connection to the Champ's fuselage and electronic linkage to your flight control receiver, making this a sensible choice for both repair work and spares stockpiling.

What's in the Box

  • HobbyZone Champ Gearbox with Integrated Brushed Motor (Z-HBZ4930)

What You Need to Complete

  • HobbyZone Champ airframe (or compatible variant such as Champ Anniversary Edition)
  • Flight control receiver and electronic speed controller compatible with your Champ variant
  • 1S LiPo battery (typically 150mAh to 210mAh capacity)
  • 1S LiPo charger with USB or DC input
  • Propeller and spinner assembly (HBZ4401 or compatible)

Frequently Asked Questions

  • Is this gearbox with motor suitable for repairing a damaged HobbyZone Champ? — Yes, absolutely. This is a genuine OEM replacement component designed specifically for the HobbyZone Champ. If your existing gearbox or motor has failed, this assembly provides a direct replacement that requires no modifications or adapters. Simply match the part number to your aircraft variant and follow your manual's installation guidance.
  • What is the difference between the Z-HBZ4930 gearbox with motor and the HBZ4929 gearbox-only option? — The Z-HBZ4930 includes both the gearbox and a brushed motor in one assembly, whereas the HBZ4929 provides only the gearbox housing and drivetrain without the motor. Choose the Z-HBZ4930 if you need a complete replacement; choose the HBZ4929 only if your existing motor is still serviceable and you need just the gearbox itself.
  • Can I use this gearbox with motor for upgrading my existing Champ aircraft? — This component is designed as a direct replacement for standard HobbyZone Champ variants. If your aircraft already has a functioning gearbox and motor, you may not need an upgrade unless you're planning to build a second aircraft or maintain spares inventory for frequent flying.
  • What battery type does the Champ gearbox and motor system require? — The HobbyZone Champ system uses 1S LiPo batteries, typically in capacities between 150mAh and 210mAh. Check your specific aircraft manual for the recommended battery specification, as different Champ variants may have different power requirements.
  • Is this a brushless or brushed motor system? — This assembly features a brushed motor, which is the standard for the HobbyZone Champ. Brushed motors are ideal for ultra-micro aircraft, offering smooth power delivery and forgiving flight characteristics at the low speeds typical of these tiny aircraft.
  • Will this gearbox fit the HobbyZone Champ Anniversary Edition? — The HobbyZone Champ range includes various editions and the Champ Anniversary Special Edition uses different components. Always verify the part number against your aircraft manual before ordering. Wheelspin Models also stocks dedicated Anniversary Edition components (HBZ-3069) if your aircraft requires those instead.
  • How long does a brushed motor in this assembly typically last? — Brushed motors are durable components, but they do wear with use. With moderate flying activity, you can expect several seasons of service before needing replacement. Heavy use or aerobatic flying may require replacement sooner. Keeping spare motors and gearbox assemblies on hand is a sensible approach for active fliers.

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 HobbyZone Champ Gearbox with Motor: Champ Z-HBZ4930 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.
  • 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.