Readytosky 220mm FPV Racing Drone Frame for Martian II Carbon Fiber Quadcopter Frame Kit 4mm Arms with

Special Features:
Full 3K Carbon Fiber airframe featuring a solid 4mm removable arms
Custom aluminum hardware to enable one tool, quick swapping of arms in race pit settings ；
Black Oxide steel screws
Multiple motor mounting holes to fit a variety of motors (M3 and M2 screw mounting patterns).
Easy Lipo Access (suggested Lipo is a 1550mah&2300mah 3 or 4s)；
Included PDB with XT60 male plug.
Support for 32mm board cams as well as HS1177.；
Support to carry HD camera (such as the GoPro 4, runcam 2, or GoPro Session) .

Specification:

Brand name: Martian II
Item name: 220 220mm Frame Kit
Wheelbase: 220mm
Material: Carbon fiber
Arm thickness: 4mm
Thickness of plate: the lower plate and upper plate 1.5mm
Weight: 145g2
Recommend parts (package not include):

ESC: 12A-20A
Propeller: 5030 5045
Battery: 3S 1500-2200
Flight control: CC3D NAZE32 F3
Motor: 1806 2204 2205 2206 Package included:

1 x 220mm Quadcopter Frame kit (unassemble)
1 x Power distribution board pdb with XT60 conector
5 inch 5030 Propellers
1 x Lipo Battery Strap
★ Full 3K Carbon Fiber airframe featuring a solid 4mm removable arms
★Custom aluminum hardware to enable one tool, quick swapping of arms in race pit settings ；Black Oxide steel screws
★Multiple motor mounting holes to fit a variety of motors (M3 and M2 screw mounting patterns).
★ Easy Lipo Access (suggested Lipo is a 1550mah&2300mah 3 or 4s)；Included PDB with XT60 male plug.
★★★If you need replacement arms,ASIN: B07BVBL885.