LINK Cable (USBM) Link ecu Sale! from 3500 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. USB Mini Cable. Used to connect ECU to computer for tuning. Suitable for: G4X Atom G4X Monsoon G4+ Atom G4+ Kurofune G4+ Monsoon