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  • ARRMA Grom Pinion Gear Guide: 15T vs 19T vs 32P for Bashing & Track Use
Illustration: ARRMA Grom Pinion Gear Guide: 15T vs 19T vs 32P for Bashing & Track Use
Upgrades and Parts

ARRMA Grom Pinion Gear Guide: 15T vs 19T vs 32P for Bashing & Track Use

Ryder Kingsley Sep 14, 2026 0

Which Arrma Grom pinion gear setup is right for bashing and track use? Real-world 15T vs 19T vs 32P performance…

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Illustration bar chart of ARRMA rated top speeds by power system, from 20+ MPH brushed to 110-120+ MPH LIMITLESS
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