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Watch the trees magically change colors in front of your eyes
all while being fully waterproof
duplicate the routes with turn-offs and create incredible special effects with the spiral
50+ MPH with Two 4s LiPo Batteries and Included Optional Spur Gear
The compact size makes it easy to transport and store
Hot Racing Arrma Grom Mod 0.5 Steel Speed Run Spur Gear (57T) Watch the trees magically changeGear Overview: Hot Racing Arrma Grom Mod 0. 5 Steel Speed Run Spur Gear. This spur gear is intended as an upgrade for the Arrma Grom 1 18 Granite, Typhon, and Mojave platforms. Hot Racing has CNC machined this spur gear with high quality steel for added strength and durability. With multiple tooth count options available, you can choose to upgrade your Arrma Grom with tuning options that best suite your needs and driving conditions. Package includes