S550 Multicopter Arm Spare Parts tem Description: This item is the replacement arms for S500 and HMF S550 multicopter quadcopter. Also you can buy this arm to DIY your own multi-copter. Merit: Strong and hard motor arms material (with built-in fiber glass tube) Design with Dihedral angle, more stable, good for FPV Length of the arm : 23.3cm Carbon rod inside the Arms which used to make it stronger and hard Package included: 1xPcs Replacement Arms (BLACK)
