3Racing 3RAC-SG4865 48P 65T Spur Gear - Race Tuners Edition  [3RAC-SG4865]

3RACING 48 Pitch Spur Gear 65T - 3RAC-SG4865
Price:
USD$4.40
Brand:
3Racing
Model:
3RAC-SG4865
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Technical Overview of the 3Racing 3RAC-SG4865 Spur Gear

The 3Racing 48 Pitch Spur Gear 65T, model 3RAC-SG4865, provides a stable platform for fine tuning driveline behaviour. Its 48P tooth profile helps maintain steady contact patterns under transient loads, making it suitable for competition teams and advanced tuners seeking repeatable results.

Performance Characteristics

  • Precision Engineering: Accurate tooth spacing reduces variable backlash and promotes even wear across the gear face.
  • Durable Construction: Material and cutting process selected to withstand repeated sprint sessions without rapid degradation.
  • Compatibility: Targets gear systems specified for 48 pitch spurs; confirm pinion match and centre distance as part of setup verification.

What pinion sizes work best with this 65T spur for track use?

Optimal pinion selection depends on motor kv and circuit layout; typical race setups use a pinion size that balances acceleration and top speed while maintaining recommended mesh and motor temperature.

How should I check and set the mesh for consistent results?

Use a feeler or the pinion-on-shaft method to set minimal clearance, then secure components and rotate the drivetrain to verify smooth engagement. Recheck after initial run-in.

Any break-in or run-in advice for competition use?

Perform a controlled run-in at moderate load to allow contact patterns to settle, then re-examine mesh and adjust shims or pinion choice as required for consistent lap times.