4pcs Set 48P Hardened Aluminum Alloy Pinion Gear Assortment with Hex Key, for Arrma HPI Kyosho Losi Axial Traxxas Tamiya Associated 1/10 RC Car/Truck, 3.175mm Shaft Motor Gear (13T-14T-15T-16T)

🔧 3.175mm Precision Motor Shaft AdapterSpecifically designed for motors with a 3.175mm shaft diameter. Please ensure the motor shaft size matches before installation to ensure zero play during operation.⚡ 4-in-1 Gear Ratio Adjustment (13T-16T)✅【13T/14T/15T/16T】Dual specifications available! Freely switch between speed and torque: smaller gear counts enhance acceleration, while larger gear counts boost top speed performance, conquering any track terrain.🛡️ Hardened Steel 48P Professional-Grade GearsConstructed from high-strength hardened steel, these gears are resistant to wear and tear, ensuring long-lasting durability. The 48P pitch is fully compatible with mainstream 1/10 RC models such as Arrma, Traxxas, and HPI (requires matching 48P main gear). 📦 Plug-and-play complete tool kit Each gear is pre-installed with anti-slip screws and comes with a dedicated screwdriver + 4 spare screws. No additional tools required for quick installation! ⚠️ Important notes for professional users🔸 Must be paired with a 48P main gear pitch 🔸 Maintain a paper-thin gap (approximately 0.1mm) between gears during installation 🔸 Monitor motor/ESC temperature after replacement to prevent overheating 🔸 Strongly recommended to use screw adhesive to secure screws

• 🔧 Precision 3.175mm Motor Shaft Fit:Exclusively designed for motors with 3.175mm shafts. Critical: Ensure your motor shaft diameter matches before installation.
• ⚙️ High-Performance Hardened aluminum alloy Gears:Crafted from 7075 Hardened aluminum alloy for extreme durability and heat resistance. Withstands high RPMs and repetitive use.
• 📦 4-in-1 Gear Ratio Flexibility (13T-16T):Optimize speed/torque for any terrain! Universal 48P pitch set (13T/14T/15T/16T) fits Arrma, Traxxas, HPI, Losi, Axial, Tamiya & most 1/10 RC models.
• ✅ Hassle-Free Installation Kit:Each gear includes pre-installed grub screws + hex wrench. No extra tools needed - gears can be changed in no time!
• ⚠️ Key Compatibility Note:Must match your spur gear's pitch (48P). Mismatched pitch prevents meshing. Verify specs in your manual for seamless performance.