The stock plastic rear arms on 1/24-scale RC cars are the first component to fail under hard cornering and rough terrain use. These machined 6061 aluminium rear suspension arms are a direct-fit replacement for the WLtoys 244016 and LOSI Micro-B 1/24 platforms, addressing that weak point without requiring modification to the surrounding geometry. The anodized and sandblasted surface treatment provides both a resistance layer against wear and a finish that reads as purposeful hardware rather than a generic aftermarket part.
At 5.9g the arms add negligible unsprung weight while eliminating the flex and deformation that reduce steering response at speed. The improved rigidity translates directly to more consistent handling — particularly during high-speed direction changes where plastic arms deflect rather than transmit input. Available in Black, Silver, and Red anodized finishes.
Black. Silver. Red. A straightforward upgrade that addresses the most common failure point on these platforms.
6061 Aluminium Construction: Significantly stronger than stock plastic arms — resists bending and breakage on rough terrain, jumps, and hard cornering without adding meaningful weight.
Direct-Fit Compatibility: Precision-machined to fit the WLtoys 1/24 244016 and LOSI 1/24 Micro-B without modification. Drop-in replacement installation.
Reduced Suspension Flex: Stiffer arms transmit steering input more accurately during high-speed manoeuvres, improving overall handling consistency.
Lightweight at 5.9g: Minimal unsprung weight addition preserves the handling balance of the platform while eliminating the primary failure point.
Anodized & Sandblasted Finish: Surface treatment resists corrosion and wear while providing a premium visual appearance in three colour options.
3 Colour Options: Black, Silver, and Red anodized finishes allow matching to existing vehicle hardware or personal preference.
Part Specifications
Material
6061 Aluminium alloy
Surface Treatment
Anodized and sandblasted
Weight
5.9g per arm
Colour Options
Black, Silver, Red
Compatible Models
WLtoys 1/24 244016, LOSI 1/24 Micro-B
Position
Rear suspension arm
Installation
Direct-fit replacement, no modification required
Sourcing
Imported
Fulfilment Type
Standard
Styling Tips & Suggestions
Outdoor Bashing on Rough Terrain
This is the primary use case these arms are designed for. Gravel, dirt, and uneven surfaces place lateral load on the rear suspension that stock plastic arms are not designed to handle repeatedly. The 6061 aluminium construction absorbs those loads without permanent deformation, allowing harder, longer bashing sessions without replacement downtime.
High-Speed Indoor Circuit Racing
On smooth indoor surfaces where speed is higher and cornering forces are sustained, aluminium arms prevent the subtle flex that causes inconsistent rear-end behaviour under load. The handling improvement is most noticeable in tighter, higher-speed corners where plastic arm deflection would otherwise cause oversteer.
Full Metal Upgrade Build
Pair with aluminium front arms, shock towers, and chassis braces to complete a full metal upgrade on the 244016 or Micro-B platform. Choosing matching anodized colours across all upgrade parts creates a cohesive, purpose-built aesthetic. Silver arms pair particularly well with silver or raw aluminium chassis components.
Post-Crash Repair Replacement
When stock arms crack or snap on impact, these are a direct-fit replacement that eliminates the same failure point going forward rather than returning to the original plastic. The upgrade replaces rather than simply repairs, reducing the frequency of future crash-related downtime.
Competition Preparation
For organised 1/24-scale racing, metal rear arms are a baseline reliability upgrade that removes a common source of race-ending failures. Consistent rear suspension geometry across a race session also improves lap-time consistency compared to plastic arms that flex differently as they warm up.
First Upgrade for a New Owner
Rear arm replacement is one of the most straightforward and highest-impact first upgrades on the 244016 and Micro-B platforms. The drop-in installation requires no special tools or prior modification experience, making it an accessible entry point into metal upgrades for newer RC enthusiasts.
Display or Show Build
The anodized finish in Red, Black, or Silver adds a premium visual detail visible through open chassis designs. For display builds or show-quality vehicles, Red anodized arms are a high-contrast accent against dark or black chassis components.
Not Ideal For: RC car models other than the WLtoys 244016 and LOSI Micro-B 1/24 — confirm compatibility before ordering; buyers looking for a complete suspension kit rather than rear arms only; those who prefer to retain stock plastic geometry for class-legal racing where metal upgrades may be restricted.
Compatibility Guide
These rear arms are precision-machined for the following platforms:
WLtoys 1/24 244016
LOSI 1/24 Micro-B
If you are unsure whether these arms fit your specific model variant, check your existing rear arm dimensions against the product specifications before ordering. These arms are not guaranteed to fit other 1/24-scale platforms even if visually similar.
Care & Maintenance
Material & Usage Notes
Unless a product is specifically sourced from a country with a similar climate to the EU or Western regions, aluminium alloy component performance is generally consistent across environments. However, avoid prolonged exposure to salt water or highly corrosive environments, which may affect the anodized surface over time.
Inspect the arms for straightness upon delivery before installation.
Retain original packaging for any warranty or return purposes.
Check that all mounting hardware is correctly torqued during installation — over-tightening can strip threaded holes in aluminium.
Ongoing Care
Clean with a dry or lightly damp cloth after muddy or dusty sessions. Avoid water ingress into hinge pin holes or mounting points.
Inspect for bends or deformation after significant impacts. Bent aluminium arms should be replaced rather than straightened to preserve structural integrity.
Re-check mounting screw torque after the first few sessions as the hardware beds in.
Apply a small amount of light oil to hinge pins periodically to maintain smooth pivot action.
Frequently Asked Questions
Do these fit other WLtoys or LOSI models?
These arms are machined specifically for the WLtoys 244016 and LOSI Micro-B 1/24 platforms. Compatibility with other models in either range cannot be guaranteed. Always verify against your specific model’s arm dimensions before ordering.
Is installation straightforward for a beginner?
Yes. These are direct-fit replacement parts that swap into the existing arm mounting positions without modification. Basic RC tools (a small hex driver set) are sufficient for installation.
Are hinge pins and screws included?
The listing is for the rear arms only. Hinge pins and mounting screws are typically reused from the stock arms. Confirm the contents of this listing before ordering if you require hardware.
How many arms are included per order?
Refer to the product listing quantity detail. Most RC arm upgrade listings include a pair (left and right). Confirm the count in the product specifications before ordering.
Will aluminium arms increase the overall weight of my car?
At 5.9g per arm, the weight addition over stock plastic arms is minimal. Any handling effect from the marginal weight increase is more than offset by the reduction in suspension flex and improvement in handling consistency.
Shipping & Delivery
Order Type & Processing
This is a stocked item dispatched from our fulfilment centre. Orders are processed within 1–2 business days of payment confirmation.
Standard vs. Express Shipping
Standard shipping is available for all destinations. Express options may be available at checkout depending on your location.
Delivery Timeframes
Estimated delivery is 7–15 business days for standard shipping, subject to carrier and regional conditions. Express timelines vary by destination.
Order Tracking
A tracking number will be issued by email once your order has been dispatched. Use the carrier link provided to monitor your delivery in real time.
Circumstances Beyond Our Control
Delays caused by carrier operations, customs clearance, weather events, or public holidays are outside our control. We will communicate any known delays as promptly as possible.
Need Help?
For order enquiries, delivery updates, or post-delivery issues, please contact our support team through the store’s contact page. We aim to respond within one business day.
Product images are for illustrative purposes only. This listing is for the rear suspension arms only — graded cards, RC car bodies, and other components shown are not included. Verify compatibility with your specific model before ordering.
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