3Racing 3RAC-SG6490/V2 Competition 64P 90T Spur Gear  [3RAC-SG6490/V2]

Price:
USD$4.40
Brand:
3Racing
Model:
3RAC-SG6490/V2
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Race-Oriented Spur Gear for Setup Stability

The 3Racing 3RAC-SG6490/V2 64 pitch 90T spur gear Ver.2 is targeted at racers and tuners who require consistent tooth engagement and reliable ratio changes. It integrates into common 64 pitch drivetrains and is intended to support predictable handling and repeatable lap performance.

Performance and Setup Notes

  • Pitch: 64
  • Tooth Count: 90T
  • Durability: Designed to retain tooth geometry under normal racing loads
  • Compatibility: Suits multiple chassis that specify 64 pitch gearing

What setup checks are recommended after installing this spur?

Verify centre distance, confirm pinion alignment with a matching 64 pitch pinion, and run a few light laps to inspect wear patterns before full-power sessions.

How does tooth count affect gearing choices?

A 90T spur lowers the overall ratio versus smaller spurs; adjust pinion teeth to tune acceleration versus top speed for specific track conditions.

Any recommended complementary upgrades?

For aggressive power outputs consider checking pinion hardness, motor mount rigidity, and bearing condition to preserve gear life and maintain consistent mesh.