3Racing 3RAC-SG4886/V2 48P 86T Spur Gear - Competitive Upgrade  [3RAC-SG4886/V2]

3RACING 48 Pitch Spur Gear 86T Ver.2 - 3RAC-SG4886/V2
Price:
USD$4.40
Brand:
3Racing
Model:
3RAC-SG4886/V2
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Technical 86T spur specification

The 3Racing 48 Pitch Spur Gear 86T Ver.2 is manufactured to tight tolerances to ensure repeatable gear engagement in race setups. Consistent tooth form reduces backlash and supports predictable drivetrain behaviour under varying loads.

Design for tuning and performance

This 86-tooth unit accepts standard 48 pitch pinions and is suitable for fine tuning gear ratios. Its controlled geometry helps maintain mesh integrity when adjusting motor placement or when running high torque powerplants.

Practical benefits for race rigs

By minimising friction and uneven contact, the 3Racing 86T spur preserves motor efficiency and reduces heat build-up in the transmission. That stability allows tuners to focus on handling and gearing rather than frequent gear replacements.

Which pinion sizes pair well for circuit use?

Select a 48 pitch pinion that yields your target ratio based on track layout. Smaller pinions give quicker acceleration, larger pinions increase top speed; balance this against motor cooling limits.

Any setup tips for high torque motors?

Ensure robust motor mounts and accurate mesh to prevent skipping under torque. Consider using a slightly tighter mesh within acceptable limits and inspect mating surfaces regularly.

How to check for even tooth contact?

Mark a few teeth with a light marker, run the spur slowly, and inspect the wear pattern. Even marking and wear indicate good alignment; uneven marks suggest mesh or shaft misalignment.