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VITAVON PRECISION Alu#7075 CNC Rear Axle Housing for Traxxas UDR (Unlimited Desert Racer) 1:7 (#8540 / #8541) - Vitavon
Shipping: DHL shipping available- Shipping time: 3-10 business days
- Handling time: Ships within 3 business days after receiving cleared payment
- Payments:
Shipping: DHL shipping available
Shipping time: 3-10 business days
Handling time: Ships within 3 business days after receiving cleared payment
Payments: 
| Non-Domestic Product: | New: A brand-new, unused, unopened, undamaged item (including handmade items). See the seller’s | Non-Domestic Product: | No |
| Custom Bundle: | No | Color: | Silver |
| MPN | Does Not Apply | Bundle Listing: | No |
| Modified Item: | No | Brand: | VITAVON |
| Type: | Rear Axle housing | Compatible Vehicle Type: | Buggy, Crawler, Drift Car, Scale, Short Course Truck |
| Compatible Fuel Type: | Electric | Country/Region of Manufacture: | China |
| Compatible Scale: | 1:7 | UPC: | Does not apply |
Product Name: VITAVON PRECISION Alu#7075 CNC Rear Axle Housing for Traxxas UDR (Unlimited Desert Racer) 1:7 (#8540 / #8541)
Brand: VITAVON
Color:Silver Gold Red Black Blue
Premium Construction & Structural Redesign
- Crafted from high-grade 7075 aluminum alloy via precision CNC 3D machining, this rear axle housing delivers exceptional strength, dimensional accuracy, and durability—far exceeding the performance of stock components.
A key structural upgrade: we’ve reengineered the housing into a 3-piece split (upper/lower) design, which securely holds the internal differentials in place. This solves a critical flaw of the stock 2-piece (left/right split) housing, which often “blows apart” (separates) during high-intensity, full-throttle operation—keeping your UDR’s drivetrain intact even in extreme conditions.
4 Key Performance Improvements - Larger Internal Bearings: Replaces the stock OD 13mm × ID 6mm × H 5mm bearings with OD 17mm × ID 6mm × H 6mm bearings. The increased outer diameter enhances load-bearing capacity and stability, reducing bearing failure under heavy stress.
Planetary Gear Retention Sleeve: Added a dedicated sleeve to hold the planetary gear in optimal alignment, ensuring consistent, smooth meshing with other drivetrain components—eliminating excessive wear and power loss from misalignment.
Weight-Reducing & Cooling Holes: Strategically drilled holes in the housing ribs to trim unnecessary weight (improving overall vehicle agility) while creating airflow channels that enhance heat dissipation—protecting internal components from overheating during extended runs.
Oversized End Bearings: Equipped with larger bearings for the housing’s two ends: OD 15mm × ID 6mm × H 5mm (vs. stock OD 13mm × ID 6mm × H 5mm). This upgrade boosts overall axle rigidity and extends bearing lifespan, even in rough off-road use.
Real-World Testing & Validation - See this rear axle housing in action—tested by a passionate UDR enthusiast:UDR Rear Axle Housing Test Video
https://youtu.be/OEAnm3Zkkeg
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