The X4F framework is perfect for the CFF suspension system system system system hands being mounted via pivot balls straight to the framework. The X4F framework works together the motor mount and bulkheads making use of positioning holes the centering pins for every of this set up elements. Because of the centering pins, the construction of structural elements is straighforward, and numerous significantly the current weather resist movement in a collision to permit you finish your competitors without losing cost. The narrower design with this framework alongside the totally symmetrical type offer optimal flex characteristics. Fits X4F