Hot Racing Arrma Grom Mod 0.5 Steel Speed Run Spur Gear (57T) most Spektrum™ Smart Pro-Series batteries practically

Spektrum™ Smart Pro-Series batteries practically take care of themselves

Firmware upgrade-able

(1) Spektrum™ AR631 Receiver (installed)

Charge your LiPo batteries in the LiPo Safe Charging Bag for peace of mind and a higher level of safety

Molded-in belt to aid stability at high speeds

Hot Racing Arrma Grom Mod 0.5 Steel Speed Run Spur Gear (57T) most Spektrum™ Smart Pro-Series batteries practicallyGear 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