Meet the ARRMA Big Rock 6S BLX 1/7 4WD Monster Truck — the ultimate bashing machine built for hardcore off-road performance. Born from the rugged DNA of the proven 6S BLX platform and blown up to a supersized 1/7 scale, this beast is ready to dominate dirt, gravel, grass, and pavement. With powerful Spektrum brushless electronics, a tough black-anodized chassis, and massive dBoots® RAGNAROK™ V2 tires, the Big Rock delivers incredible power, speed, and durability straight out of the box.

Just add your own compatible 6S LiPo battery and Smart charger, and you’re ready to unleash over 65+ MPH of pure RC adrenaline.

Key Features:

Fully Assembled & RTR: Just add your battery and charger — no building required.
Updated Spektrum Firma 150A V2 Smart ESC: Delivers smooth, reliable, and explosive power with IC5 connectors.
Spektrum Firma 4074 2050Kv Brushless Motor: Tuned for high-speed and extreme torque performance.
dBoots® RAGNAROK™ V2 Vented Tires: Provide ultimate grip on any terrain with tough tread and rugged five-spoke wheels.
Heavy-Duty Drivetrain: All-metal diff outdrives, steel driveshafts, and gearbox internals for unrelenting durability.
Spektrum SLT3 3-Channel 2.4GHz Radio & SR315 Receiver: Precise, responsive control with DSMR compatibility.
Waterproof Electronics: Ready for mud, puddles, and rain with a waterproof ESC and servo.
Black Anodized Aluminum Chassis & Shock Towers: Strong, lightweight construction with a stealthy look.
Adjustable Oil-Filled Shocks: Tackle jumps and bumps with ease and full tunability.
Realistic Crew Cab Monster Body: Clipless mounting system preserves scale realism and makes access fast and easy.
Integrated Roll Hoop & Center Brace: For maximum chassis rigidity during extreme bashing.
LiPo Compatibility: Supports 4S to 6S LiPo configurations (not included).

In the Box:

(1) ARRMA Big Rock Crew Cab 6S BLX 1/7 4WD Monster Truck (RTR)
(1) Spektrum Firma 150A V2 Smart Waterproof ESC
(1) Spektrum Firma 4074 2050Kv Brushless Motor
(1) Spektrum S665 Waterproof Metal Gear Steering Servo
(1) Spektrum SLT3 2.4GHz Transmitter
(1) Spektrum SR315 3-Channel Receiver
(4) AA Transmitter Batteries
(1) Instruction Manual
(Misc) Required Tools

Required to Complete:

(1) 4S or 6S LiPo Battery (or 2x 2S/3S in series) –
Recommended Minimum Specs: 5000mAh, 50C
Max Battery Dimensions: 158 x 48 x 70mm
(1) Compatible LiPo Charger