Whatever you need to take to the races, the QuadGuard BP X2 Backpack from Lowepro is designed to help you transport it. Its customizable design will accommodate up to two racing quadcopters with propellers up to 5", one internally and one mounted on the back. The backpack provides plenty of storage for FPV equipment, lots of batteries, tools, and other accessories you may want to bring with you. You can also attach a tripod and water bottle to the exterior. A rain cover is included that tucks away at the bottom of the pack when not in use.
Lowepro QuadGuard BP X2 Backpack for Racing Quadcopters (Black/Grey)