U821 transmitter + pcb board set UDI U821 helicopter spare parts$15.99
U821 tail blade UDI U821 helicopter spare parts$1.98
U821 front shaft for wheel set UDI U821 helicopter spare parts$3.98
U821 main frame UDI U821 helicopter spare parts$3.98
10 pcs U821 bullets UDI U821 helicopter spare parts$7.98
Short shaft U821 main motor UDI U821 helicopter spare parts$7.98
U821 tail motor UDI U821 helicopter spare parts$5.98
U821 bearing set collar UDI U821 helicopter spare parts$1.98
U821 balance bar UDI U821 helicopter spare parts$3.98
U821 battery 3.7V 350mAh UDI U821 helicopter spare parts$9.98
U821 main blades UDI U821 helicopter spare parts$3.98
U821 bearing set UDI U821 helicopter spare parts$7.98
