Wltoys A949 A959 A969 A979 390 Motor

17T Gear 2Pcs => 피니온 내경2.3MM

These are 17T gear 2 pieces for 390 motor

of wltoys A949 A959 A969 A979 rc car.
hole diameter:2mm
tip diameter:13mm
root circle diameter:10mm

Package Included:
2 x motor gear

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