Mark4 Mark 4 7inch 295mm with 5mm Arm Thickness Quadcopter Frame 3K Carbon Fiber for 7 FPV Freestyle RC Racing Drone Frame Kit

Exquisite exterior design, made of 3k full carbon fiber material, high-precision CNC machining, sturdy and durable structure, easy to assemble and maintain
295mm wheelbase, the arm is made of 5mm carbon fiber plate, which makes the whole frame light weight and higher strength
The H-shaped layout provides more installation space in the middle of the cabin, with a lower center of gravity and more stable flight
Both 30.5 * 30.5 and 20 * 20 hole spacing flight control installation positions are reserved at the front and rear of the rack, suitable for the installation of various flight control equipment
Fixed motor installation hole spacing: compatible with 16 * 16mm/16 * 19mm/19 * 19mm