ARRMA 1/10 Bigrock Crew Cab 4x4 3S BLX Blue RTR

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ARRMA 1/10 Bigrock Crew Cab 4x4 3S BLX Blue RTR
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The Arrma Big Rock Crew Cab 4X4 3S BLX 1/10 RTR Brushless Monster Truck brings the popular “street truck” style of the 1/8 scale BIG ROCK — but in 1/10 scale size built on the powerful 4x4 BLX platform. It’s a great step up from brushed bashing and a must for any driver who wants ARRMA toughness and 50+ mph speeds!

Accented by black chrome-plated front and rear bumpers and wheels, the BIG ROCK CREW CAB 4X4 3S BLX truck’s long, scale crew cab body marks the epitome of street style. With the included dBoots RAGNAROK MT tires, you’ll take it on the run over dirt tracks, trails, and even muddy courses. An adjustable wheelie bar comes standard, letting you enjoy a little stunt fun along the way.

ARRMA engineers made sure the BIG ROCK CREW CAB 4X4 3S BLX Brushless 1/10TH 4WD Monster Truck has the muscle and durability to overcome any challenge. Its transmission and chassis designs, already proven on the GRANITE and SENTON 4x4 3S BLX RTRs, deliver the toughness you’ll need to take full advantage of the BLX100 brushless power system. When the 3200Kv brushless motor and 100A ESC do their thing, the BIG ROCK CREW CAB 4X4 3S BLX releases an avalanche of speed.

The BIG ROCK 4X4 3S BLX comes ready-to-run, requiring only battery, charger, and “AA” transmitter batteries. A Tactic TTX300 3-channel radio system is provided for dependable control that perfectly suits your driving style.


  • ARRMA toughness and performance
  • 3S-capable BLX100 Brushless Power System with 100A ESC and 3200Kv brushless motor
  • 50+ mph speed potential
  • Scale long crew cab body for “street truck” realism
  • Full-time 4WD transmission with strong diff gears
  • Tactic TTX300 2.4GHz radio system with metal gear steering servo
  • Strong telescopic front, rear, and center driveshafts
  • Oil-filled, self-bleeding shocks
  • Long wheelbase side guards
  • Black chrome-plated scale front and rear bumpers
  • Black chrome-plated street truck wheels
  • dBoots RAGNAROK MT tires
  • Adjustable wheelie bar
  • Modular power, electronics, and differential systems that remove easily for maintenance


  • Chassis:Molded Composite
  • Completion Level:Ready-To-Run
  • Differential:Gear
  • Height:7.19 in (201 mm)
  • Internal Gear Ratio:2.85
  • Length:12.87 in (327 mm)
  • Motor Size:3660
  • Motor Type:BLX 3200KV BRUSHLESS
  • Pinion:15T
  • Radio:3-Channel Tactic TTX300 2.4GHz
  • Servos:ADS-7M Waterproof Metal Gear Servo
  • Size/Scale:1/10
  • Speed Control:ARRMA BLX100 Waterproof
  • Spur Gear:57T
  • Tire Diameter:5.12 in (130 mm)
  • Vehicle Type:Monster Truck
  • Water-Resistant:Yes
  • Weight:6.25 lbs (2.84 kg)
  • Wheel Diameter:2.81 in (71.5 mm)
  • Wheel Hex Size:14mm Hex
  • Wheel Type:MT
  • Wheelbase:12.87 in (327mm)
  • Width:12.91 in (328mm)

Needed to Complete:

  • 6 to 8-cell NiMH, 2S LiPo, or 3S LiPo Hardcase Battery
  • Appropriate LiPo-compatible Charger
  • 4 AA Batteries
  • LiPo Charging Bag (recommended)


  • (1) ARRMA BIG ROCK CREW CAB 4X4 BLX Brushless 1/10 Monster Truck
  • (1) Spektrum Radio
  • (1) Product Manual
Spec Data
Scale 1/10
Battery type 5000mAh+ 35C+ 2-3S LiPo or 6-8 Cell NiMH Hardcase Battery with IC5/EC5 Connector (sold separately)


Motor Type BLX 3200KV Brushless






  • Extremely durable - DESIGNED FAST, DESIGNED TOUGH!
  • Fast, 50+ mph speeds
  • Exciting monster truck realism
  • Spektrum™STX22.4GHz Radio System:
  • BLX100 Brushless System
  • Easy-access power module
  • Easy-access electronics module
  • Metal-geared differentials
  • Double wishbone front and rear suspension
  • Oil-filled shocks with preload spacer clips
  • High-speed center driveshaft support
  • Built-in servo saver for robust, responsive steering

* For details on waterproof standards, please refer to the product instruction manuals

  • Adjustable turnbuckles
  • Adjustable ride height
  • Adjustable body mounts
  • Detailed scale long crew cab body for "street truck" realism
  • Black chrome-plated scale front and rear bumpers
  • Black chrome-plated, multi-spoke street truck wheels
  • dBootsRAGNAROK MT multi-surface tyres
  • Adjustable, multi-height wheelie bar
  • Waterproof electronics *
We offer a price match service on this item, if you can find this product cheaper from another UK retailer complete the form below and we will do our best to match it.
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