The Mark4 7Inch 295mm Carbon Fiber Racing Frame. This frame is built specifically to tackle the problems in FPV Racing and video recording with quadcopters. It is known for its toughness and durability.
Carbon fiber is mostly an accepted material for frame designing because of its high stiffness to weight ratio. The Carbon Fiber Frames are very rigid and improve stability and flight performance. The frame is lightweight and possesses thick arms, so as to give them good mechanical strength.