37T M1 Spur Gear 1.0 Metric Pitch Hardened Steel Upgrade Beefed Up Main Gear Mod 1 Fits One Eighth And One Tenth Scale RC Cars And Trucks For Traxxas Revo Slayer Pro 4X4 ARRMA HPI Losi Mugen Serpent HOBAO And More

Single 37T M1 spur gear for RC car upgrades
✔️ Hardened steel, 37T Mod 1 fits 1/8 & 1/10, wide fit

This hardened steel Mod 1 spur gear upgrade is engineered for 1/8 and 1/10 scale RC cars and trucks, delivering stronger operation and longer gear life. It’s compatible with popular brands like Traxxas, Losi, ARRMA, HPI, Mugen, Serpent, HOBAO, and more. Replace worn stock gears to gain improved strength, smoother operation, and a wider range of gear ratios.

✅ 37T M1 spur gear, 1.0 metric pitch, hardened steel
✅ Fits 1/8 & 1/10 scale RC cars and trucks across major brands
✅ Multiple tooth options (31-51T) to tune transmission ratio
✅ Improves strength and reduces vibration vs stock gears

💡 What is a common reason to upgrade RC spur gears and how does it affect performance?

Upgrading spur gears can extend life and improve drive feel. - Stronger steel resists wear under load - Quieter, smoother operation with reduced vibration - More gear ratio options for tuning acceleration and top speed - Better compatibility with Mod 1 1.0 pitch systems