GPM Racing 7075 Alloy Rear Hub (Larger Bearings) for Yikong YK7081 TB8 1/8 4WD RC Car (TB8/022)

Rear hub upgrade for YK7081 platform

This RC rear hub is made for the YIKONG YK7081 TB8 and is identified as TB8/022. Machined from 7075-T6 aluminium, it replaces the factory 80006 hub and is supplied with larger inner and outer bearings to address wear commonly seen on 1/8 4WD vehicles.

The kit includes an oversized inner bearing 20x30x7mm (original: 20x27x4mm) and an oversized outer bearing 15x24x5mm (original: 15x21x4mm). These larger bearings increase the contact area and can reduce wheel-end play under load.

Hardware and accessories are delivered pre-assembled. A medium-strength screw threadlocker is recommended on fasteners to keep assemblies tight during running. Installation follows usual RC maintenance steps: remove the old hub, fit the new hub, confirm bearing seating, and secure with the supplied fasteners.

As an aftermarket hop-up, the hub aims to increase durability and improve repeatable rear geometry. Expect a firmer and more consistent hub interface compared with softer stock alloy parts, which helps with traction and suspension tuning on various surfaces.

Compatible Models

• YIKONG YK7081 TB8 1/8 4WD RC Car

Use this hub when replacing worn rear hubs on YIKONG YK7081 TB8 cars or when fitting larger bearings for improved durability; perform standard installation checks and apply medium-strength threadlocker to fasteners.

Is this hub specified for the YIKONG YK7081 TB8?

Yes, the hub is specified to fit the YIKONG YK7081 TB8 1/8 4WD RC car and is supplied as an upgrade to the standard rear hub.

Which bearing sizes are supplied?

The upgrade includes inner bearings sized 20x30x7mm and outer bearings sized 15x24x5mm, both larger than the original hub bearings.

Are components pre-assembled for quick installation?

Yes, hardware and bearings are pre-assembled; check bearing seating and secure fasteners with a medium-strength threadlocker during installation.

What performance changes should I expect after fitting?

Expect improved rear hub durability and reduced play, delivering a steadier wheel interface that can help with consistent suspension and traction tuning under load. Write Product Review Please sign in your account before you can write any review. Sign In Close

Made to order: GPM Racing parts are shipped to us from GPM's factory, so please allow around 14 days for dispatch.