Answering the question for hobbyists seeking durable metric-pitch spur gears, this guide highlights five high-quality options. These gears are suited for 1/8 and 1/10 scale electric and nitro vehicles, including TRAXXAS, LOSI, ARRMA, HPI, and more. Choose gears by tooth count to tune strength, efficiency, and wear characteristics. The top picks cover common sizes from 35T to 51T, paired with hardened steel construction for longer service life. Ideal buyers include performance-focused hobbyists, customizers, and replacement-part planners who want better durability than factory gears.
Summary Table of Chosen Products
- 35-Tooth M1 Spur Gear (RcThjia) — 1.0 Metric Pitch, Hardened Steel
- 36-Tooth M1 Spur Gear (Qloi-LeUe) — 1.0 Metric Pitch, Hardened Steel
- 47-Tooth M1 Spur Gear (RcThjia) — 1.0 Metric Pitch, Hardened Steel
- 48-Tooth M1 Spur Gear (Qloi-LeUe) — 1.0 Metric Pitch, Hardened Steel
- 51-Tooth M1 Spur Gear (RcThjia) — 1.0 Metric Pitch, Hardened Steel
35-Tooth M1 Spur Gear 1.0 Metric Pitch
Brand: RcThjia. Compatibility: Mod 1 (1.0 metric pitch) spur gear 35T upgrades for 1/8 and 1/10 electric/nitro platforms, including TRAXXAS, LOSI, ARRMA, HPI, and more. Material: Hardened steel for reduced vibration and wear. Use: Replacement part to improve strength and smooth operation over stock gears.
Best for: Builders requiring a mid-range gear with strong wear resistance. Choose this if you expect heavy use and want improved durability over stock gears. Caution: Verify compatibility with your specific drivetrain and mount spacing before upgrading.
36-Tooth M1 Spur Gear 1.0 Metric Pitch
Brand: Qloi-LeUe. Compatibility: Mod 1 spur gear, 36T for 1/8 and 1/10 electric or nitro vehicles, including TRAXXAS, LOSI, ARRMA, HPI, and more. Material: Hardened steel provides improved wear resistance and fatigue life. Upgrade: Stronger, more stable than stock gears with smoother operation.
Best for: Enthusiasts seeking a slightly larger tooth count for better torque handling. Better for: applications where longevity under load is a priority. Limitation: Heavier gears may alter acceleration characteristics if not matched with pinion settings.
ADORLY 2Pcs 6491X Pinion Gear (18T)
Brand: ADORLY. Compatibility: 1.0 metric pitch pinion gears for 5mm shafts; includes two 18T gears for use with compatible spur gears. Material: CNC machined. Use: Pinion gears pair with hardened spur gears for improved drive train efficiency.
Best for: RC builders tuning gear ratios with precise pinion selection. Why selected: Provides a simple way to tweak speed-torque balance. Caution: Pinion size must match the spur gear to avoid binding or misalignment.
47-Tooth M1 Spur Gear 1.0 Metric Pitch
Brand: RcThjia. Compatibility: Mod 1 spur gear, 47T for 1/8 and 1/10 electric/nitro platforms including TRAXXAS, LOSI, ARRMA, HPI, and more. Material: Hardened steel; reduced vibration, less noise, and less wear than stock gears. Upgrade: Strength and smooth operation compared to factory gears.
Best for: Riders needing robust gear with high torque capacity. Better for: demanding driving styles or heavy terrains. Caution: Ensure available clearance and gear mesh with the corresponding pinion and spur pair.
48-Tooth M1 Spur Gear 1.0 Metric Pitch
Brand: Qloi-LeUe. Compatibility: 48T spur gear for Mod 1 1.0 metric pitch; fits popular 1/8 and 1/10 electric/nitro models across TRAXXAS, LOSI, ARRMA, HPI, and more. Material: Hardened steel for wear resistance and durability. Upgrade: Stronger, more stable operation with longer service life.
Best for: Those seeking a higher tooth count to reduce load per tooth and extend life. Choose this if gearing demands lower RPM drop and smoother operation. Caution: May require pinion adjustment to maintain proper mesh and performance.
51-Tooth M1 Spur Gear 1.0 Metric Pitch
Brand: RcThjia. Compatibility: Mod 1 spur gear, 51T upgrades for 1/8 and 1/10 Electric / Nitro & Glow Fuel platforms such as TRAXXAS, LOSI, ARRMA, HPI, and more. Material: Hardened steel to reduce wear and vibration. Upgrade: Substantial durability with smooth performance over stock gears.
Best for: Long-distance or endurance runs where resilience matters. Better for: heavy-duty setups or trucks with high torque. Caution: Ensure clearances and alignment with other drivetrain components to prevent mesh issues.
Buying Guide
What to consider when choosing metric spur gears:
- Tooth count and gear ratio: Higher tooth counts generally yield greater durability and smoother operation but alter the gear ratio. Match with your pinion to achieve the desired speed-torque balance.
- Material and construction: Hardened steel offers improved wear resistance and longevity compared with standard steel. This reduces maintenance and downtime.
- Compatibility: Verify Mod 1 (1.0 metric pitch) compatibility and ensure the gear fits your vehicle’s model and drivetrain layout.
- Noise and vibration: Hardened steel gears typically run quieter with less vibration, but proper mesh and alignment are essential.
- Installation considerations: Some gears may require changes to mounting hardware or shims. Check that there is adequate clearance with neighboring components.
Frequently Asked Questions
- What is Metric Pitch Mod 1 spur gear?
Answer: It refers to spur gears with a 1.0 metric pitch designed for modular 1 drivetrains used in many RC models. - Why upgrade from stock spur gears?
Answer: Upgraded gears typically offer increased wear resistance, reduced noise, and longer service life, especially under heavy use. - How do I choose the right tooth count?
Answer: Pick a tooth count that balances speed and torque for your vehicle weight, motor, and terrain. Higher counts usually increase durability but reduce acceleration slightly. - Can hardened steel gears cause more wear on pinions?
Answer: Not inherently; ensure proper mesh and a compatible pinion size to minimize wear on any gear set. - Are these gears compatible with Traxxas and Losi models?
Answer: Yes, most listed options indicate compatibility with common brands like Traxxas and Losi when using Mod 1 spur gears.