If you want fast & more nice im can share for you... You can upgrade Ysido brushless motor 2847 5600..45a ESC...oil shock..receiver and dumbbell radio control... 😂After you use 3s battery test top speed you know how fast already... 🤣But my 16101pro im do crazy upgrade use 3650 9000kv but need modify a bit..80a brushless ESC..pinion gear..oil shock..all body aluminum parts... Wish can help bro you...