3RACING 3RAC-SG4875 48 Pitch 75T Spur Gear - Racing Setup Part  [3RAC-SG4875]

3RACING 48 Pitch Spur Gear 75T - 3RAC-SG4875
Price:
USD$4.40
Brand:
3Racing
Model:
3RAC-SG4875
Condition:
Brand New
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Race-Oriented Spur Gear for Precise Meshing

The 3RACING 48 Pitch Spur Gear 75T, catalogue 3RAC-SG4875, is designed with tight tooth form to provide repeatable engagement under load. It is suitable for racers seeking controlled gear ratios and consistent drive behaviour during tuning sessions.

Performance Considerations

When preparing a competitive setup, the 75T spur helps maintain a stable final drive while allowing predictable acceleration curves. Ensure the pinion selection complements your desired gearing and motor characteristics.

Tuning and Installation Protocol

Set the pinion mesh using a repeatable method and verify contact patch across the tooth face. After initial installation perform short, instrumented runs to confirm no progressive loosening or misalignment occurs.

What pinion sizes work best with 75T for track setups?

Pinion choice depends on circuit type and motor output; for tighter acceleration choose fewer pinion teeth, for higher top speed select a larger pinion while keeping efficient motor rpm range.

How do I verify correct mesh under load?

Run a controlled acceleration test and inspect the contact pattern on the spur teeth; the pattern should be centered and consistent after a few short runs.

Any race prep maintenance for longevity?

Regularly check for tooth wear, secure mounting hardware with thread locker as appropriate, and clear debris from meshing areas to prevent unexpected failures.