Kyosho 7.8mm Hardball RC Ball End - W0139 Natural If your original battery tray

If your original battery tray has cracked

2-inch buggy wheel hex fitments

Direct-fit design for the Tamiya M-07 Concept chassis — no modification required

The skidplate guards the lower gear cover and transmission area against debris

Kyosho 7.8mm Hardball RC Ball End - W0139 Natural If your original battery trayThe Kyosho W0139 7. 8mm Hardball is a small diameter replacement ball end designed for use in Kyosho RC car suspension and steering linkage assemblies. Ball ends like this one are a common wear item on RC cars they take constant load through steering and suspension movement, and a worn or cracked ball end can cause sloppy handling or linkage failure. Having a stock of Kyosho spares such as the KYOW0139 on hand means you can get back on track quickly