3Racing 3RAC-SG6499 64 Pitch 99 Tooth Spur for F109  [3RAC-SG6499]

Performance Summary for F109 Owners

The 3Racing F109 64 Pitch Spur Gear 99T offers a 99-tooth profile optimised for predictable gear ratios and smooth power handoff in the F109 drivetrain. Its construction supports reliable tooth engagement and is suitable for racers aiming for stable lap-to-lap performance. The gear integrates with standard F109 components without special adapters.

Engineering Notes on Fit and Function

The 64 pitch specification gives fine ratio resolution that is useful when tuning for traction or top speed. Attention to correct mesh and secure mounting will keep the gear performing consistently under load during race conditions. It is designed for straightforward installation and routine inspection.

When to Replace or Upgrade

Consider this spur for scheduled maintenance swaps or when changing gearing to alter handling balance. Verify pinion compatibility and check for wear on adjacent drivetrain components when servicing to preserve overall efficiency.