Beefed-Up Hardened Metal RC Pinion Gear Set, 32P, 5mm Inner With 3.175mm Coupler, Includes 13T 15T 17T 19T 21T, Compatible With 5mm And 3.175mm Shafts, Fits One Eighth Scale RC Cars, Easy Install, Durable Gear Upgrade
✔️ Includes 13T/15T/17T/19T/21T pinions with 3.175mm coupler
This heavy-duty pinion gear set upgrades 1/8 scale RC cars by providing five pinion sizes (13T, 15T, 17T, 19T, 21T) and a 3.175mm coupler to adapt both 5mm and 3.175mm shafts. Durable hardened steel ensures long life under high power.
✅ 5 pinions: 13T, 15T, 17T, 19T, 21T for precise gear ratios
✅ Inner diameter 5.0mm with 3.175mm coupler to fit 5mm and 3.175mm shafts
✅ Compatible with 1/8 scale RC cars and brushless motors
✅ Made from heavy-duty hardened steel for durability
✅ Easy install and durable upgrade for performance
💡 What is a pinion gear set used for in RC cars and how does it boost performance? This handy upgrade helps you dial in speed, torque, and efficiency for brushless 1/8 scale models.
- Tune gear ratios for faster acceleration or higher top speed
- Works with 5mm and 3.175mm shafts via included 3.175mm coupler
- Hardened steel construction for long life under high power
- Easy swap with minimal downtime during upgrades