WLtoys A949 A959 A969 A979 K929 A959-B A969-B A979-B K929-B RC Car Spare Part A949-23/A959-B-27 Upgrade All Metal Differential black_as show

Description

-- Good corrosion resistance, high toughness and no deformation after long using time. -- Material compact without defects and install. -- Stable characteristics, high reliability. Perfect match for your car.