wltoys 12428 b lock differential gear awesome power HD

rc crawler ini harus d lock dif gayyss, buar kekuatannya 4x lipat dr yg blm d lock, jadi bisa manjat batu dan medan terjal gayss ni nama lem nya gays yg aq pake lem slr repair putty stick via @bukalapak https://www.bukalapak.com/p/perlengkapan-kantor/alat-tulis-kantor/lakban-lem/3frz5fj-jual-lem-slr-repair-putty-stick?utm_source=apps