Description: 【Material】: The differential gear is crafted from quality alloy, ensuring durability and great performance for your RC car models 【Wide Compatibility】: Designed to fit a variety of models including XV-02, MB-01, XM-01, BT-01, 02 series (02D/R/B/BR), and 02 TYPE S/, making it a versatile choice for enthusiasts 【Precision Dimensions】: The gear features measurements with diameters of 3.95cm/1.56inch, 1.7cm/0.67inch, 1.5cm/0.59inch, and 9.5mm/0.37inch; the differential case measures 17mmx17mmx22mm/0.67inchx0.67inchx0.87inch with an inner diameter of 5mm/0.20inch for accurate fitting 【Complete Package】: Comes with a differential case and gear set to provide everything needed for installation or replacement in your compatible model 【Enhanced Performance】: Upgrade your RC car's drivetrain with this sturdy gear set designed to deliver improved efficiency and reliability on various terrains Specification: Material: alloy Size Chart: gear diameters: 3.95cm/1.56inch, 1.7cm/0.67inch, 1.5cm/0.59inch, and 9.5mm/0.37inch differential case:17mmx17mmx22mm/0.67inchx0.67inchx0.87inch,inner diameter:5mm/0.20inch Package Includes: 1 Set differential case and gear  Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!