3pcs M0.5 3.175mm 13T-27T with Hex Key Aluminum Alloy Metal Pinion Motor Gear for 1/10 Rc Model (16T-17T-18T)

✔️1 × 16T Pinion Gear (3.175mm bore)✔️1 × 17T Pinion Gear (3.175mm bore)✔️1 × 18T Pinion Gear (3.175mm bore)✔️3 × Hardened Grub Screws✔️1 × Hex Key Wrench

• 🔥 Premium 45# High-Carbon Steel & Precision Machining Crafted from hardened 45# high-carbon steel with rust-proof treatment, our pinion gears deliver exceptional durability and strength. Precision machining ensures ultra-smooth meshing, reducing friction, noise—maximizing power transfer for quieter, more efficient RC performance.
• ⚙️ 3-Size Gear Ratio Flexibility (13T-27T) Achieve your perfect speed-torque balance! Each set includes 3 versatile tooth counts (16T/17T/18T), compatible with 1/10 & 1/8 scale RC models. Fine-tune acceleration for high-torque crawling or boost top speed for competitive racing.
• ⚠️ Critical Compatibility Alert Pitch Must Match: Only pairs with 0.5M pitch spur gears—mismatched pitch causes damage! Motor Shaft Fit: Designed exclusively for 3.175mm (1/8") shafts. Verify your motor size before purchase.
• 🔧 All-in-One Upgrade Kit Includes hardened grub screws + hex key for tool-free installation. Secures slip-free on any 3.175mm shaft—no modifications needed. Upgrade in minutes!
• 🔍 Need Help? Contact PYFORE technical team via Amazon Messages—we’ll ensure perfect gear matching!