Want to shine on a FPV racing race? The HGLRC Sector V2 from Gearbest is a variation of the thinner SlamNasty. It rests on 3 mm thick H-carbon arms. The interior, where the electronics take place, is thin: the spacers are 2.15 cm long!
It is distinguished, lightweight, and its manufacturer assures that it holds up well to shocks. It recommends 1306, 1407, 1408, 1606 brushless motors for 3 inch or 4 inch propellers. The 3 inch bare frame with a diagonal of 15.2 cm weighs 39.5 grams, the 4 inch version of 17.7 cm weighs 42 grams (with camera support). Mounting requires components of 20 x 20 mm. The HGLRC Sector V2 are offered by FPV-Fly in Worldwide for $204.00.