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Ships within 48 hours · Estimated delivery Sep 24 - Sep 29
the flywheel assistant is gently turned by hand to drive the flywheel to rotate quickly
more professional and more interesting
placed in a cool dry place
improved flight performance
Upgrade RC Excavator Hydraulic System Kit for TongLi/Huina 580 Excavator Version:Large Bucket the flywheel assistant is gentlyUpgrade RC Excavator Hydraulic System Kit for TongLi Huina 580 Excavator Features:. Special hydraulic upgrade kit for TongLi Huina 580 excavator. A full set of hydraulic modification parts include a boom assembly, a hydraulic 3 way directional valve, a fuel tank integrated oil pump, a 4 way walking ESC, an oil pump, a ESC, a charger, a 7. 4V power lithium battery, and 2m oil pipe, a sticker on the fuselage.. Players need to bring their own excavator
