This aluminium one way hub is made as a direct-fit option for Kyosho FW05-R and FW05RR chassis and is referenced as part FW05-010. The use of aluminium raises stiffness at the contact surfaces compared with polymer alternatives, giving a firmer mechanical response for drivers tuning differential behaviour.
In use the hub affects how the driven wheel disengages under throttle and cornering loads, providing a more definite engagement profile that helps when dialing differential and traction characteristics for track runs. Treat this item as an aftermarket scale accessory intended for hobbyist installation.
Fitment notes: the hub follows FW05-R/FW05RR OEM mounting dimensions. Confirm your hub carrier, fasteners, and bearing spacers match before installation, then verify clearance and engagement after the first run.
Choose this aluminium one way hub when you want a sharper mechanical feel from the FW05 one-way assembly; always check fit and re-torque fasteners after initial testing.
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