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Arrma Accessories

Upgrade parts and accessories for Arrma RC vehicles, including our own USA-made cooling hardware.

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About these parts

Cooling parts are chosen by power system rather than model name, because Arrma runs the same setups across several trucks. Match on two things: the cell count of your LiPo pack (3S, 4S, 6S, 8S) and the fan size your chassis has room for.

Kit names describe the fans themselves — 30Thirty is two 30mm fans, 40Forty is two 40mm fans, 50Fifty is two 50mm fans. These are not motor sizes. Cell count and fan size appear together in the kit names because they scale together by vehicle class: bigger trucks run bigger batteries, larger motors and bigger fans.

Available kits cover the 3S 30Thirty motor, 3S 100A 30Thirty ESC, 4S V2.5 30Thirty dual fan, 6S 40Forty dual fan, 6S/8S Firma 150/160 ESC, and 8S 50Fifty dual fan. Aluminum fans are sold individually in 30mm, 35mm, 40mm and 50mm, along with a 4074 heat sink and a chassis mount 40Forty fan adapter that also fits Traxxas MAXX.

Other Campsite RC parts: 6S and 8S motor bolt upgrades, a 6S motor cradle, 6S mud guards, Fireteam GNSS mounts and LED light kits, a MAXX-compatible GPS/GNSS mount, a USB-C plug that seals the GPS port against water and dirt, and 2-in-1 JST cable splitters. Island Hobby Nut supplies carbon fiber battery trays for Limitless, Felony and Infraction.

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