U821 transmitter + pcb board set UDI U821 helicopter spare parts$15.99
U821 back shaft for wheel UDI U821 helicopter spare parts$3.98
U821 english manual book UDI U821 helicopter spare parts$7.98
U821 wheel UDI U821 helicopter spare parts$3.18
U821 tail big pipe + tail motor + tail motor deck UDI U821 helicopter spare parts$5.99
U821 tail blade + tail motor + tail motor deck UDI U821 helicopter spare parts$5.99
Blue U821 outer cover UDI U821 helicopter spare parts$7.98
U821 main blades UDI U821 helicopter spare parts$3.98
U821 main shaft UDI U821 helicopter spare parts$3.18
Long shaft U821 main motor UDI U821 helicopter spare parts$7.98
U821 bearing set collar UDI U821 helicopter spare parts$1.98
U821 Launchers set UDI U821 helicopter spare parts$7.98