Overview
The FTX Outback Fury/Hi-Rock Alloy Portal Wheel Axle (2pc) FTX9218-7 represents a significant upgrade for owners of FTX crawler vehicles who want to take their scale rock crawling experience to the next level. These precision-engineered alloy portal wheel axles are designed specifically for the FTX Outback Fury and FTX Hi-Rock 4x4 RTR 1/10 trail rock crawlers, offering substantial improvements over standard axle assemblies. If you're serious about improving your RC crawler's performance, handling characteristics and visual scale appeal, this is an essential component upgrade that delivers professional-grade results. These portal axles are a key component in the FTX portal axle conversion system, enabling dramatic improvements in ground clearance, approach angles and overall scale appearance that serious crawlers demand.
Portal axles work by offsetting the wheel hub outboard from the main axle housing, which effectively increases ground clearance and improves the vehicle's approach and departure angles without raising the chassis itself. This engineering solution is directly inspired by full-size rock crawling vehicles and military 4x4s that use portal axle technology for extreme terrain capability. For RC enthusiasts in the UK and beyond who operate their crawlers on challenging terrain, the portal wheel axle upgrade transforms not just how your model performs, but how it looks—delivering that authentic, hardcore scale appearance that separates serious crawlers from basic models.
Installation of these alloy portal wheel axles requires the complete FTX portal axle conversion system, as they are purpose-designed components within that broader upgrade package. The use of aluminium alloy construction keeps weight to a minimum whilst maintaining the structural rigidity needed for demanding rock crawling applications. Whether you're upgrading an existing FTX Hi-Rock or Fury crawler or building a portal-equipped version from scratch, these wheel axles are engineered to exacting standards and deliver the precision fit and durability that FTX is recognised for across the RC hobby community.
Key Features
- Full Alloy Portal Axle Construction — Manufactured from quality aluminium alloy material, these portal wheel axles deliver lightweight strength that is essential for rock crawling applications where every gram of weight matters for performance and battery runtime.
- Precision Engineering for FTX Crawlers — Designed specifically for the FTX Outback Fury 1/10 and FTX Hi-Rock 4x4 trail rock crawlers, these axles are engineered to exacting tolerances to ensure perfect fitment and reliable operation on technical terrain.
- Dramatically Improved Ground Clearance — Portal axles offset the wheel hubs outboard from the main axle housing, significantly increasing ground clearance without raising the chassis, which improves approach angles and departure angles for extreme crawling.
- Enhanced Scale Authenticity — Portal axles are used on full-size rock crawling vehicles and military 4x4s, so fitting these components to your RC crawler dramatically improves the scale appearance and visual authenticity of your model.
- Part of Complete Conversion System — These wheel axles (FTX9218-7) work in conjunction with other portal axle components including caster mounts, gear sets, panhard bars and shaft mounts to create the complete FTX portal axle conversion kit (FTX9217).
- Durable and Reliable Performance — Built to withstand the demanding forces and impacts of rock crawling, these alloy axles maintain their structural integrity through aggressive terrain negotiation and sustained use.
- Paired Set Delivery — This product is supplied as a pair (2pc), providing both left and right wheel axles needed for a complete axle upgrade across your crawler.
Technical Performance
These alloy portal wheel axles represent a serious performance upgrade for FTX Hi-Rock and Fury 4x4 rock crawlers operating in the UK and internationally. The portal axle design is one of the most significant engineering advancements in scale RC crawling, as it allows designers to increase effective ground clearance and improve critical angles—approach angle, departure angle and breakover angle—without physically raising the chassis. This is crucial for rock crawling applications where ground contact is minimised and tyre-to-terrain contact is maximised. The aluminium alloy construction provides the perfect balance between lightweight design and structural strength; the material is rigid enough to maintain precise wheel alignment and axle tracking through demanding terrain whilst remaining light enough to preserve battery runtime and optimise the vehicle's centre of gravity. These portal axles are engineered as complete components within the FTX portal axle conversion system, which includes comprehensive redesigns to the gearbox, drive shafts, suspension mounting points and overall drivetrain geometry to accommodate the new axle positioning. The precision manufacturing ensures that each axle maintains consistent geometry and tracking, critical for maintaining predictable handling on technical trails. When paired with the other portal conversion components—including the portal caster mounts (FTX9218-1), portal gear set (FTX9218-5), rear shaft mount and cover (FTX9218-4), panhard bar (FTX9218-10) and steering bushings (FTX9218-9)—these wheel axles create a completely transformed drivetrain that delivers substantially improved capability over standard axles.
What's in the Box
- FTX Outback Fury/Hi-Rock Alloy Portal Wheel Axle — 2 pieces (left and right axles)
What You Need to Complete
- Complete FTX Portal Axle Conversion System (FTX9217) — These wheel axles are part of this comprehensive system and should be used in conjunction with other portal components for full compatibility and performance.
- FTX Outback Fury or FTX Hi-Rock 4x4 RTR — The base vehicle required for installation of these portal axles.
- Standard RC maintenance tools — Small wrenches, screwdrivers and hex keys (typically 1.5mm to 3mm) for installation and assembly.
Frequently Asked Questions
- What is a portal axle and why would I want one on my RC crawler? — Portal axles offset the wheel hub outboard from the main axle housing, dramatically increasing ground clearance and improving approach and departure angles without raising the chassis. This engineering comes directly from full-size rock crawling and military 4x4 vehicles, and transforms your RC crawler's scale appearance and terrain capability. Portal axles are the single most impactful upgrade available for serious RC crawlers in the UK hobby scene.
- Are these alloy portal wheel axles compatible with standard FTX axles? — These portal wheel axles are designed to replace standard axles as part of the complete FTX Portal Axle Conversion System (FTX9217). They are not compatible with standard FTX axles and require the full portal conversion kit to function properly, as the entire drivetrain geometry changes to accommodate portal axle positioning.
- What FTX models are these portal axles compatible with? — These alloy portal wheel axles (FTX9218-7) are designed specifically for the FTX Outback Fury 1/10 and FTX Hi-Rock 4x4 RTR 1/10 trail rock crawlers. Compatibility is precise to these models only.
- Do I need any other components to install these portal axles? — Yes, these wheel axles are part of the comprehensive FTX Portal Axle Conversion System (FTX9217). For complete installation, you will also need the portal caster mounts (FTX9218-1), portal gear set (FTX9218-5), rear shaft mount and cover (FTX9218-4), portal panhard bar (FTX9218-10), steering bushings (FTX9218-9) and other system components. The complete conversion kit ensures all components work together optimally.
- Will portal axles improve my crawler's performance on rocks and difficult terrain? — Portal axles improve terrain capability by increasing ground clearance and approach angles without raising the chassis, allowing you to tackle steeper obstacles and more technical terrain. The improved geometry means your tyres maintain better contact with uneven surfaces, enhancing traction and stability on demanding rock crawling applications.
- Are these portal axles suitable for beginners? — Portal axle upgrades are recommended for intermediate to advanced RC crawlers who understand drivetrain mechanics and are comfortable performing substantial modifications to their vehicles. Installation requires replacing core drivetrain components and adjusting suspension geometry, so previous experience with RC mechanical work is beneficial.
- What material are these portal wheel axles made from? — These axles are manufactured from quality aluminium alloy, which provides lightweight construction whilst maintaining the structural rigidity needed for intense rock crawling applications. Aluminium alloy balances strength with weight savings, crucial for optimising your crawler's performance.
- How do portal axles compare to lifting the suspension for increased ground clearance? — Portal axles provide ground clearance increases without raising the chassis, which means your vehicle's centre of gravity stays low and stability remains excellent. Suspension lifts raise the entire chassis, which increases ground clearance but also raises the centre of gravity and can negatively affect handling. Portal axles are the preferred engineering solution for serious scale crawlers.
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 FTX OUTBACK FURY/HI-ROCK ALLOY PORTAL WHEEL AXLE (2PC) FTX9218-7 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.
- Product Type: Portal Wheel Axle
- Quantity: 2 pieces (pair)
- Material: Aluminium Alloy
- Compatibility: FTX Outback Fury 1/10 and FTX Hi-Rock 4x4 RTR 1/10
- Part Number: FTX9218-7
- EAN: 5056135730003
- System: FTX Portal Axle Conversion System component
- Related Components: Part of FTX9217 (Complete Portal Axle Conversion Set)
- Companion Products: Portal Caster Mounts FTX9218-1, Portal Gear Set FTX9218-5, Portal Rear Shaft Mount and Cover FTX9218-4, Portal Panhard Bar FTX9218-10, Portal Steering Bushings FTX9218-9
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