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HobbyZone Sport Cub S Complete Gear Box Z-HBZ4430

Model No: Z-HBZ4430


COMING SOON 01/07/2026

Coming Soon - Stock Arriving: 01/07/2026

Stock Arriving: 01/07/2026

£9.99

£1.00

£8.99

Inc VAT

1 Year Warranty
We Accept
  • Brand: HobbyZone
  • Model Number: Z-HBZ4430
  • Product Type: Complete Gear Box Assembly
  • Aircraft Compatibility: HobbyZone Sport Cub S
  • Part Category: Drivetrain / Motor Component
  • Fitment: Standard Sport Cub S configuration
  • Assembly Type: Complete ready-to-install unit
  • OEM Status: Genuine Original Equipment Manufacturer part
  • UK Stock Status: In stock at authorised retailers

Overview

The HobbyZone Sport Cub S Complete Gear Box (Z-HBZ4430) is an essential replacement or upgrade component for owners of the HobbyZone Sport Cub S micro trainer aircraft. This genuine OEM spare part is designed to keep your Sport Cub S in top flying condition, making it a must-have for anyone who flies this popular ultra-micro RC plane regularly. Whether you're dealing with wear and tear from regular flights or need to replace a damaged gearbox after a nose-over or hard landing, this complete gear box assembly ensures your aircraft returns to reliable operation quickly and affordably.

The Sport Cub S has earned its reputation as one of the best beginner-friendly RC aircraft available in the UK market today, thanks to its SAFE Technology flight assistance and forgiving flight characteristics. To maintain this performance and reliability, having access to quality replacement parts like this gearbox is crucial. The complete gear box represents a cost-effective way to repair your aircraft without replacing the entire motor assembly, making it perfect for RC enthusiasts who want to extend the life of their Sport Cub S and keep it flying for years to come.

This is a genuine HobbyZone part sourced from authorised UK suppliers, ensuring compatibility and quality. Keeping spare parts on hand means less downtime and more time in the air enjoying your flying hobby. Whether you're a seasoned RC pilot or new to the sport, the Sport Cub S with its complete gear box system represents an excellent investment in reliable, durable micro-scale RC flight.

Key Features

  • Genuine OEM Component — This is an authentic HobbyZone Sport Cub S replacement part, guaranteeing perfect fitment and reliability with your aircraft's existing systems and drive train components.
  • Complete Gear Box Assembly — The assembly comes as a complete ready-to-install unit, eliminating the need to source individual gears or components separately, saving time and frustration during repairs or upgrades.
  • Essential Replacement Part — The gearbox is a critical drivetrain component that can wear out or become damaged through regular flying and occasional crashes, making this spare part invaluable for Sport Cub S owners who fly frequently.
  • Affordable Repair Solution — Replacing just the gear box is significantly more cost-effective than replacing the entire motor assembly, extending the life of your aircraft investment and reducing repair costs.
  • UK Supplier Stock — This part is held in stock at authorised UK RC retailers, ensuring quick delivery and minimal downtime between ordering and installation.

Technical Performance

The HobbyZone Sport Cub S Complete Gear Box is engineered to provide reliable drivetrain performance for this lightweight ultra-micro aircraft. As part of the Sport Cub S's power delivery system, the gearbox works in conjunction with the main motor to provide efficient thrust generation whilst maintaining the aircraft's balanced weight and centre of gravity characteristics that are essential for the SAFE-assisted flight experience. The complete gear box assembly is designed to withstand the operational demands of regular recreational flying, including the stress placed on the drivetrain during takeoffs, climbs, and sustained flight. Like all components of the Sport Cub S airframe, this gearbox is precision-engineered to meet HobbyZone's exacting standards for reliability and performance in the ultra-micro RC aircraft category. The assembly integrates seamlessly with the existing Sport Cub S motor mount and control systems, making installation straightforward for RC builders and modellers with basic mechanical skills. Regular inspection and occasional replacement of the gearbox as part of routine maintenance ensures your Sport Cub S continues to deliver the stable, predictable flight characteristics that make it an ideal training and recreational aircraft.

What's in the Box

  • Complete Gear Box Assembly for HobbyZone Sport Cub S

What You Need to Complete

  • HobbyZone Sport Cub S airframe (if performing a repair or upgrade to an existing aircraft)
  • Basic mechanical knowledge or guidance from the Sport Cub S manual for installation and gearbox replacement procedures

Frequently Asked Questions

  • What is the Sport Cub S Complete Gear Box used for? — The gearbox is a key drivetrain component in the HobbyZone Sport Cub S that transfers power from the motor to drive the aircraft's propeller. It can wear out over time or become damaged after crashes, making replacement necessary to restore full flight performance and reliability.
  • Is this a genuine HobbyZone part? — Yes, this is an authentic OEM (Original Equipment Manufacturer) HobbyZone spare part, ensuring perfect compatibility with your Sport Cub S aircraft and guaranteed quality standards.
  • How do I know if my gearbox needs replacing? — Signs that your Sport Cub S gearbox may need replacement include reduced propeller speed, unusual grinding or clicking noises from the motor area, difficulty getting the propeller to spin freely, or visible damage following a nose-over or hard landing.
  • Can I install this myself? — Installation is straightforward for users with basic RC model building experience. The HobbyZone Sport Cub S manual provides detailed guidance on gearbox replacement procedures. After installation, ensure you check your aircraft's centre of gravity and control linkages before flying.
  • What should I check after installing a new gearbox? — After replacing the gearbox, inspect the propeller shaft and motor mount for any damage, verify that the propeller spins freely without obstruction, check all control linkages are functioning correctly, and re-confirm your aircraft's centre of gravity (CG) is within specification.
  • Is this suitable for beginners? — Yes, the Sport Cub S is renowned for its beginner-friendly design with SAFE Technology flight assistance, and replacement parts like this gearbox are readily available and straightforward to install, making repairs accessible for builders of all skill levels.
  • Where can I buy this gearbox in the UK? — This genuine HobbyZone spare part is stocked by authorised UK RC retailers including RC Model Shop, with next-day delivery options available to get you back in the air quickly.
  • What other Sport Cub S spares should I keep on hand? — Common replacement parts for the Sport Cub S include propellers, landing gear, pushrods and control horns, the main wing, tail set, and the bare fuselage. Many flying enthusiasts also stock spare 1S LiPo batteries and keep foam-safe CA adhesive for airframe repairs.

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 HBZ Complete Gear Box: Sport Cub S Z-HBZ4430 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.