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This Rear Cup is an upgrade part designed for the Yikong 1/8 YK7081 and YK8081 series RC cars, used to replace the original rear cup and improve rear suspension connection strength and driving stability. It comes as 2pcs with included screws and is available in black, red, gold, and silver. Made of 7075 aluminum with an anodized sandblasted finish. Note: all metal upgrade screws must be secured with thread lock, otherwise they may come loose. Removable thread lock is recommended.

Note: All metal upgrade screws must be secured with thread lock, otherwise they may come loose. Removable thread lock is recommended.

1. What are the benefits of upgrading to a metal Rear Cup on my YIKONG YK7081 RC Short Truck?
The Rear Cup on your YIKONG YK7081 RC Short Truck is made of 7075 aluminum, offering high rigidity and resistance to deformation, which improves the strength and stability of the rear suspension connection points. Compared to the original part, it withstands impacts better during off-road driving, jumping, and collisions, reducing rear wheel play.
2. What should I pay attention to when installing the Rear Cup on my YIKONG YK7081 RC Short Truck?
When installing the Rear Cup on your YIKONG YK7081 RC Short Truck, confirm that the bearings, pins, and rear swing arm connection points are aligned, and avoid forcing assembly that could affect suspension movement. All metal upgrade screws must be secured with thread lock — removable thread lock is recommended — to prevent screws from loosening or falling out during operation.
3. Which vehicle models is the Rear Cup on my YIKONG YK7081 RC Short Truck compatible with?
The Rear Cup on your YIKONG YK7081 RC Short Truck is compatible with the Yikong 1/8 YK7081 and YK8081 RC cars. Before purchasing, confirm that your model and mounting holes match to avoid installation issues or changes to the rear suspension geometry.
The YK7081 TB8 is a 1/8 scale 4WD desert truck featuring independent suspension and a brushless power system. It reaches speeds up to 85 km/h, offers precise handling, a durable structure, and is suitable for various off-road terrains.

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