3Racing 67T 48 Pitch Spur Gear Competitive Upgrade - 3RAC-SG4867/V2  [3RAC-SG4867/V2]

3RACING 48 Pitch Spur Gear 67T Ver.2 - 3RAC-SG4867/V2
Price:
USD$4.40
Brand:
3Racing
Model:
3RAC-SG4867/V2
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Race grade gearing with the 3Racing 67T spur

The 3Racing 67T 48 Pitch Spur Gear Ver.2 is developed for competitive tuning, delivering refined tooth geometry that reduces variability in drive ratio under load. This component helps maintain consistent backlash and smoother torque transition when pushing setup limits.

Tuning focused performance

Designed for racers, the 3Racing 67T spur supports incremental ratio adjustments thanks to its 48 pitch spacing. It provides a stable platform for testing pinion changes and motor setups while minimising run-to-run variation during setup tuning.

Durable, predictable behaviour

Constructed to withstand repeated distortion and heat cycles typical of race environments, the 3Racing 67T spur preserves accurate meshing and reduces noise under load. Its compatibility with standard 48 pitch drivetrains makes it a practical upgrade for value focused race builds.

What tuning benefits does this 67T spur provide for race setups?

The finer pitch and tooth profile stability allow smaller, more predictable changes to overall drive ratio, making lap time tuning more precise when swapping pinions.

How should teams verify mesh during race prep?

Check mesh with a feeler or thin paper, then run the car at low speed to listen for irregular contact. Recheck after a few laps as thermal expansion can alter clearance.

Are there recommended pinion ranges to pair with this spur?

Use pinions that keep the motor RPM within efficient range for your motor and track; test incremental steps rather than large jumps to isolate lap time effects.