Arrma 1/10 BIG ROCK 4X4 223S BLX BRUSHLESS STREET TRUCK RTR WITH DSC, (Black)Blast into brushless truck bashing with the scale realism, dirt chucking performance, and 50+ mph speed potential of the ARRMA BIG ROCK 223S BLX 4X4. Advance from 2S to 3S power as your experience grows without buying upgrades or changing vehicles. Key Features 2S and 3S ready, for brushless beginner to pro level speeds Spektrum DSC (Dynamic Stability Control) and throttle limiting keep you in control Heavy duty transmission and all terrain suspension