3Racing 3RAC-SG4879 Competition 48-Pitch 79T Spur Gear  [3RAC-SG4879]

3RACING 48 Pitch Spur Gear 79T - 3RAC-SG4879
Price:
USD$4.40
Brand:
3Racing
Model:
3RAC-SG4879
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Technical Overview for Competitive Tuning

Designed for racers and serious tuners, the 3Racing 48 Pitch Spur Gear 79T offers predictable engagement characteristics that assist in dialing final drive ratios. The combination of 48-pitch spacing with 79 teeth provides a useful step in gearing changes without large jumps in load on the drivetrain.

Technical Advantages

  • Repeatable Tooth Engagement: Gear form focuses on stable mesh to reduce intermittent binding during setup changes.
  • Ratio Flexibility: The 79T spur is a logical option when refining acceleration versus top speed during setup sessions.
  • Service-Oriented: Suitable for frequent gear swaps and iterative tuning at the track or in the workshop.
  • Installation Notes: Verify pinion compatibility and check mesh under assembled conditions to ensure even load distribution.

What mesh clearance yields the most consistent performance?

Aim for minimal backlash that does not produce binding; test gear rotation under motor load and adjust shim or gearbox position until engagement is smooth.

How should I approach pinion selection with 79T?

Choose pinion size based on motor characteristics and track demands; smaller pinions increase acceleration, larger ones recover top speed, so tune incrementally.

Any workshop checks before competition?

Confirm secure mounting, inspect tooth profiles for nicks, and log gear ratios used so setups can be repeated between practice and race.