3RACING 64 Pitch Spur Gear 83T 3RAC-SG6483 Racing Spur  [3RAC-SG6483]

3RACING 64 Pitch Spur Gear 83T - 3RAC-SG6483
Price:
USD$4.40
Brand:
3Racing
Model:
3RAC-SG6483
Condition:
Brand New
Write a review

Technical overview of the 3Racing 64 Pitch Spur Gear 83T

The 3Racing 64 Pitch Spur Gear 83T, part number 3RAC-SG6483, is specified for hobbyists who need repeatable drivetrain geometry and reliable tooth engagement in competitive settings. Its 64 pitch profile and 83 teeth provide a defined step in ratio tuning without introducing excessive axial or radial runout.

Engineering and compatibility details

Manufactured to standard 64 pitch dimensions, this spur interfaces cleanly with compatible pinions to preserve backlash tolerances. The 83T diameter is suited to many 1/10 scale gearboxes where a higher overall ratio is required for traction management and thermal control of the motor.

Tuning notes for racers

When using the 3RAC-SG6483, check pinion alignment, shim motor mounts to maintain consistent mesh, and monitor bearing play to prevent uneven tooth loading. Small pinion increments are recommended to evaluate lap time effects without destabilising handling.

Confirm motor offset, spline engagement and side clearance. Use a thin shim method and a small roll test to verify even tooth contact across the face width.
Reduce pinion teeth for improved acceleration out of corners, increase for higher top speed. Change in one tooth increments and log results to isolate effects.
Check for tooth chipping, eccentric wear and hub movement. Replace the gear if any deformation or unusual wear patterns are present to avoid gearbox failures.
Upgrading to higher quality sealed bearings reduces drag and helps maintain concentricity, which in turn protects the spur from uneven loading.