U821 battery 3.7V 350mAh UDI U821 helicopter spare parts$9.98
U821 lower main gear UDI U821 helicopter spare parts$3.18
U821 tail motor deck UDI U821 helicopter spare parts$3.98
U821 screws pack UDI U821 helicopter spare parts$3.99
U821 tail big boom UDI U821 helicopter spare parts$3.98
U821 transmitter + pcb board set UDI U821 helicopter spare parts$15.99
Short shaft U821 main motor UDI U821 helicopter spare parts$7.98
U821 main frame UDI U821 helicopter spare parts$3.98
U821 main blades UDI U821 helicopter spare parts$3.98
10 pcs U821 bullets UDI U821 helicopter spare parts$7.98
U821 upper main gear UDI U821 helicopter spare parts$3.18
Red U821 outer cover UDI U821 helicopter spare parts$7.98
