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- Arrma RC's
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I acquired a Firma 130a Smart ESC for a 4s Outcast build I'm doing. It didn't come with a cap pack. From what I've read cap packs are mostly used on speed rigs and not bash rigs but was curious, since all of my RTR 3, 6, and 8s rigs have em. Would this be to prolong ESC life? Not sure about positive effects in an offroad rig since traction is an inherent issue due to the surface they are typically on.