ImpulseRC Mr Steele APEXLR 7" FPV Frame Kit - Light Weight EditionTHE APEXLR 7" FRAME FOR LONGER RANGE EXPLORATION AND VIDEOGRAPHY Check out the rest of our 7" Frames and the rest of our ImpulseRC collection! TENSION BRACES As prop size increases, the longer arms required cause vibration issues which negatively impact flight performance and video stability. The Apex LR uses a unique tension brace design between the arms to increase stiffness and shift the resonant frequency of the assembly. Pre loading the arms in