MJX 1/16 1/14 RC Car Upgrade Powder Metallurgy Gear Metal Differential Set

Upgrade set for MJX 1/16 and 1/14 series remote control cars, including powder metallurgy gears and a metal differential. Brand: Junyi. Model: MJX16a099. Skill cultivation: interest cultivation. Not for foreign trade exclusively. Not IP licensed. Suitable for all ages. No AI capability. Non-intelligent. Feature: toy upgrade parts. Packaging: bagged. Origin: Huizhou, China. Recommended age: youth (15-35 years). 3C configuration category: toys for ages 14 and above. Vehicle brand: MJX. Material: metal. No smart connection. No smart interaction. No guided video. Not a cross-border export exclusive source. Remote control: handle. Type: wireless remote control. Domestic product.