3Racing 3RAC-SG4887 Competition 48P 87T Spur Gear  [3RAC-SG4887]

3RACING 48 Pitch Spur Gear 87T - 3RAC-SG4887
Price:
USD$4.40
Brand:
3Racing
Model:
3RAC-SG4887
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Setup and Performance Notes for 3Racing 3RAC-SG4887

The 3Racing 48 Pitch Spur Gear 87T, model 3RAC-SG4887, is targeted at racers looking for repeatable gear engagement and minimal drivetrain hysteresis. Use it when fine tuning gear ratios for traction-sensitive tracks.

Technical Advantages for Racing Setups

  • Consistent Engagement: Precise tooth form reduces micro slip and helps maintain stable pinion to spur contact under load.
  • Heat and Wear Considerations: The 87 tooth geometry distributes load to reduce localized wear during long runs.
  • Tuning Flexibility: Works with a range of pinion sizes to dial acceleration and top speed without compromising mesh quality.

What pinion changes are typical when switching to 87T?

Racers often reduce pinion teeth to retain top speed while improving acceleration control; confirm final ratio and test on track to refine choice.

How should I inspect the gear after competitive use?

Check for uniform tooth wear, absence of burrs, and consistent mesh across the tooth face; replace if you observe uneven wear patterns that affect engagement.