Sturdy Material: Steel material provides with longer life, more durable and wear-resistant.
With wide thick gear teeth and deep gear groove can withstand more force which is not easy to sweep the teeth.
Fit for: For WLtoys 1/18 A959 A949 A969 A979 K929 RC car.
Easy to Install: No worry about installation, install easier, good for RC car enthusiast.
Exquisite Workmanship: Exquisite workmanship, manufactured and tested to highest standards.
Feature: Sturdy Material: Steel material provides with longer life, more durable and wear-resistant. With wide thick gear teeth and deep gear groove can withstand more force which is not easy to sweep the teeth. Fit for: For WLtoys 1/18 A959 A949 A969 A979 K929 RC car. Easy to Install: No worry about installation, install easier, good for RC car enthusiast. Exquisite Workmanship: Exquisite workmanship, manufactured and tested to highest standards. Specifications: Item: Differential Main Gear and Motor Gear Sets Material: Steel Number of Teeth: 38T(Differential Main Gear)                               17T(Motor Gear) Size: Diameter(Differential Main Gear): 28cm         Diameter(Motor Gear): 14cm Note: * There could be some deviations due to manual measurement or slight color difference owing to photographing condition. Thank you for your understanding. Package Information: Package Size: 6*4*2cm Package Weight: 18g Plastic Package Packing List: 1* Differential Main Gear 38T 1* Motor Gear 17T