3RACING CRA-112 Crawler Ex Real 20T Pinion Gear Racing Setup  [CRA-112]

3RACING Crawler Ex Real Pinion Gear 20T - CRA-112
Price:
USD$3.10
Brand:
3Racing
Model:
CRA-112
Condition:
Brand New
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Setup-Oriented 20T Pinion from 3RACING CRA-112

The 3Racing Crawler Ex Real Pinion Gear 20T, model CRA-112, is aimed at racers and tuners who want a predictable, serviceable motor pinion for competitive crawling. It provides a repeatable change to final drive characteristics with minimal setup disruption.

Application and Tuning

Engineers and competitive drivers will find this 20T pinion useful when dialing in gear ratios for specific courses. Its tooth count allows precise adjustments to torque delivery and rpm response while keeping driveline dynamics consistent.

Installation Checklist

For optimal results, mount the 3Racing 20T pinion with true mesh and verify backlash under load. Check spline engagement and run-in behaviour during staging to avoid gear damage during competition.

What spline sizes are supported?

Confirm the motor shaft spline and diameter against the 3RACING CRA-112 specification; correct spline match is critical for secure engagement in racing applications.

Any break-in recommended for competition?

Light run-in under controlled load is recommended to stabilise mesh pattern. Verify temperature and contact patch during initial runs to ensure consistent performance.

Which tuning scenarios suit a 20T?

Use a 20T when you need a modest increase in speed or a specific torque curve without altering spur gear size, especially on technical sprint stages.