gearbox set ARA311186 from exb 6s rtr is it 7075-t6 ?
https://www.arrma-rc.com/en/product/aluminum-gearbox-set/ARA311186.html
There is not show in description about material grade.
https://www.arrma-rc.com/en/product/aluminum-gearbox-set/ARA311186.html
There is not show in description about material grade.