説明

• Product Name: Double Inertia Gearboxes Gear Boxes   Total length of the black assembly part: 65mm   Width: approx. 25mm, wheelbase: 42mm.   Axle diameter: 2mm, tightly suited to a 2mm bore wheel.   Overall length: 70mm, every single end extends 23mm.   The quick iron axle shaft diameter in the center extends 1.5mm, and extends 3mm.   Note: Gearbox only, wheels not included.   Pack Quantity: 2Pcs ​ ​ ​ 

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