. . "1-speed direct-drive reduction" . "653" . "1.683" . . . . "Arcfox Alpha-T" . . . . . . "2.915" . "2020" . . "Arcfox \u03B1-T" . . . . . . . "Arcfox Alpha-T" . . . . . "\u03B1-T" . "4.788" . "1.94" .