U821 tail motor deck UDI U821 helicopter spare parts$3.98
U821 english manual book UDI U821 helicopter spare parts$7.98
U821 bearing set UDI U821 helicopter spare parts$7.98
U821 tail blade + tail motor + tail motor deck UDI U821 helicopter spare parts$5.99
U821 back shaft for wheel UDI U821 helicopter spare parts$3.98
U821 bearing set collar UDI U821 helicopter spare parts$1.98
U821 battery 3.7V 350mAh UDI U821 helicopter spare parts$9.98
U821 front shaft for wheel set UDI U821 helicopter spare parts$3.98
U821 USB charger wire UDI U821 helicopter spare parts$3.98
U821 lower main blade grip set UDI U821 helicopter spare parts$3.18
U821 transmitter + pcb board set UDI U821 helicopter spare parts$15.99
U821 fixed set of outer cover UDI U821 helicopter spare parts$1.98
