U821 tail blade + tail motor + tail motor deck UDI U821 helicopter spare parts$5.99
U821 balance bar UDI U821 helicopter spare parts$3.98
U821 bearing set UDI U821 helicopter spare parts$7.98
U821 battery 3.7V 350mAh UDI U821 helicopter spare parts$9.98
U821 tail blade UDI U821 helicopter spare parts$1.98
U821 back shaft for wheel UDI U821 helicopter spare parts$3.98
U821 USB charger wire UDI U821 helicopter spare parts$3.98
10 pcs U821 bullets UDI U821 helicopter spare parts$7.98
U821 wheel UDI U821 helicopter spare parts$3.18
U821 upper main gear UDI U821 helicopter spare parts$3.18
U821 fixed set of outer cover UDI U821 helicopter spare parts$1.98
U821 bearing set collar UDI U821 helicopter spare parts$1.98
