Upgrade Wltoys 104001 104002 104009 12409 12402-A D7 12402 Surpass Hobby Hi-torque 3 wire Metal Gear Steering Servo. If you have any other RC appart from the 104001 104002 104009 please contact me before purchasing. Don't forget this is an upgrade to the 5 wire standard servo and will not fit the original ESC/receiver. UK Seller so fast delivery. Condition is Brand New. Dispatched with Royal Mail 2nd Class.