The ARRMA 1/10 GRANITE 4X4 3S BLX Monster Truck will rock you to the core with its jaw-dropping power and 50+ MPH brushless performance. The ready-to-run package now includes a Spektrum STX2 radio, giving you state-of-the-art control over this big bashing beast! The STX2 2-channel radio that drives the GRANITE 4X4 3S BLX RTR has many of the same features found in high-end 2.4GHz radio systems —throttle and steering reversing, throttle and steering travel adjust, throttle limiting and more. It's paired with a factory-installed SRX200 2-channel waterproof receiver. The new RC system launches you confidently into terrain-commanding monster truck excitement. Tough components, awesome 3S BLX power, and high-quality ARRMA engineering conquer anything that stands in your path. The GRANITE 4X4 3S BLX finds unrivalled traction on any surface as it carves the landscape with ground-thrashing full-time 4WD. Precision aluminum, tough steel and composite materials all combine to make this brushless monster a vehicle that's ready for hard-hitting action, right out of the box.