Apex-7 inch Frame wheelbase: 315mm Rack weight: 50g Frame size: 275*220*33mm Arm thickness: 5mm Body panel thickness: 2mm Body lower plate thickness: 2mm Other thickness: 2mm recommend: Brushless motor: 2204/2205 /2306/2807/2812/2507 Brushless ESC: BL-S 30A 50A 60A-65A Blade model: 7035 Flight control support: F3-F4-F7 Flight control hole distance: 30.5*30.5mm Battery: 3-6S1500-2200MAh 4S-35000mah 6s-5200/6000Mah