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Boost the top end of your TRX-4M™ with this Speed transmission. The transmission features a high 9.7:1 reduction ratio for maximum speed. Traxxas Pro Built® transmissions come professionally assembled with bearings and a fresh new Titan® 180 87-turn motor. There’s no gear mesh to adjust or parts to align. The assembly bolts in as a complete unit for quick and easy
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🇺🇸 Ship from USA · On Agora since 2026
$39.99