3Racing 3RAC-SG6498 F109 Racing Spur 64 Pitch 98T  [3RAC-SG6498]

3RACING F109 Gear 64 Pitch Spur Gear 98T - 3RAC-SG6498
Price:
USD$4.40
Brand:
3Racing
Model:
3RAC-SG6498
Condition:
Brand New
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Technical note on 3Racing 98T spur performance

The 3Racing F109 64 Pitch 98T Spur Gear is manufactured to support fine tuning of gear ratios on F109 chassis. The 64 pitch tooth spacing provides predictable contact patterns that are beneficial when optimising mesh and drivetrain efficiency for race setups.

Integration with F109 drivetrain layouts

Engineered to match F109 gearbox geometry, this 98-tooth spur allows for incremental ratio adjustments without sacrificing tooth contact quality. It is suitable for teams refining acceleration curves and top speed trade offs.

Material considerations and longevity

Select materials and machining tolerances contribute to consistent backlash and reduced tooth distortion under load. The 3Racing spur is intended to maintain reliable meshing through multiple events when paired with correct pinion selection and setup practice.

Use a matching 64 pitch pinion to ensure correct tooth engagement and to avoid accelerated wear or poor mesh patterns.
A 98T spur provides a gear ratio that leans toward improved acceleration for a given pinion size while maintaining usable top speed; adjust pinion size to fine tune the balance.
After installation confirm parallel shaft alignment, set minimal consistent backlash, and perform a slow spin test to check for binding or irregular noise before full power runs.