3Racing 48P Spur Gear 72T 3RAC-SG4872 Racing Grade  [3RAC-SG4872]

3RACING 48 Pitch Spur Gear 72T - 3RAC-SG4872
Price:
USD$4.40
Brand:
3Racing
Model:
3RAC-SG4872
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Setup notes for the 3Racing 48P 72T spur gear

The 3Racing 48 pitch 72-tooth spur is designed for competitive tuning where repeatable gear mesh and minimal backlash are required. Its tooth profile and pitch make it suitable for focused ratio adjustments and predictable drivetrain response.

Technical highlights

  • Precision Engineering: Consistent 48P tooth spacing reduces uneven loading across the mesh and helps maintain stable gear contact under torque peaks.
  • Durable Material: Engineered to resist wear in race use, supporting extended tuning cycles and frequent setup changes.
  • Compatibility: Intended for systems specifying a 48 pitch spur; pair with matching pinion sizes to achieve target final drive ratios.

What pinion choices work best with this 72T spur?

Select a 48 pitch pinion and tune tooth counts based on track needs; smaller pinions raise acceleration while larger ones increase top speed, all while keeping correct pitch match.

How should I check and set backlash for race conditions?

Set minimal free play while avoiding binding. Use a small shim or feeler adjustment, then rotate the drivetrain under light load to verify even contact across the tooth flank.

Are there specific signs of wear to watch for?

Inspect for rounding or chipping on tooth edges and check for uneven wear patterns; any visible damage can compromise gear mesh and should prompt replacement.