Kyosho EF220 Servo Saver Shaft (FANTOM EP-4WD) ttrx1 F/S and Battery F/S Function:

F/S and Battery F/S Function: Sets according to transmitter used

so fresh factory-spec gears are the quickest way to restore smooth

these axles are perfect for reducing rotating mass for quicker acceleration

2V 5000mAh 100C LiPo Battery in the selected case style and connector configuration

Kyosho EF220 Servo Saver Shaft (FANTOM EP-4WD) ttrx1 F/S and Battery F/S Function:Kyosho EF220 Servo Saver Shaft (FANTOM EP 4WD) The Servo Saver Shaft is a genuine Kyosho replacement part (part number EF220), sourced directly from Kyosho for owners who want factory spec fit and performance. It is designated for use with FANTOM EP 4WD, matching the exact specification called out in the Kyosho parts catalog. Keep a spare on hand so maintenance and repairs can be completed quickly without downtime. Always compare the part number