The HUDY 294034 pinion is an aluminium R/C gear designed to trim rotating weight while retaining a hard coated surface for wear protection. Marked as ultra-light with 34 teeth and reference 48, it serves as a tuning choice without indicating specific chassis compatibility. Fit it when you want quicker spool-up from electric setups.
In tuning terms, reducing pinion mass decreases rotational inertia, which can improve initial acceleration and throttle feel. Proper gear mesh and alignment with the spur are essential to avoid accelerated wear. Always verify bore fit on the motor shaft and secure the pinion before use.
Opt for this pinion when you want a low-mass, hard-coated aluminium option for gearing tweaks; check shaft size and mesh before running the model.
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