ARRMA INFRACTION GROM 3S BLX 4X4 RTR 1/12 Brushless RC Street Basher – 50+ MPH

Experience high-speed street-bashing action with the ARRMA INFRACTION GROM 3S BLX 4X4 RTR. This compact 1/12-scale brushless RC car combines four-wheel-drive traction, rugged construction, and advanced Spektrum electronics for exciting pavement performance.

The Spektrum Firma 4350Kv brushless motor delivers speeds exceeding 30 MPH in Adrenaline Mode using the included 3S LiPo battery. For maximum performance, the included PowerKey unlocks Chaos Mode, allowing verified speeds of 50+ MPH under suitable conditions.

Spektrum Dynamic Stability Control provides four selectable settings to help drivers manage steering through slides and fast corners. Choose Off for full manual control, or select Low, Medium, or High for increasing levels of steering correction.

Built for demanding RC sessions, the INFRACTION GROM 3S features a sealed center differential with metal spur gear, an enclosed 4X4 drivetrain, accessible front and rear differentials, and a durable composite chassis. Its oil-filled shocks, independent double-wishbone suspension, aluminum 12mm wheel hexes, and belted dBoots Hoons tires help deliver confident handling on pavement.

The quick-release clipless body and SmartFit click-out battery system simplify battery swaps and maintenance. With the battery, charger, transmitter, and electronics included, this RTR package is ready for setup and driving.

Product Highlights

• Scale: 1/12

• Drivetrain: 4WD

• Power System: Brushless

• Top Speed: 30+ MPH in Adrenaline Mode; 50+ MPH in Chaos Mode

• Stability Control: Spektrum DSC with four selectable modes

• Motor: Spektrum Firma 4350Kv brushless

• ESC/Receiver: Waterproof Spektrum SLT 2-in-1 40A brushless system

• Battery: Spektrum Smart 1300mAh 3S 30C hard-case LiPo, IC2

• Charger: Spektrum S22 Mini USB-C 3S charger

• Servo: Spektrum SX114

Performance and Durability Features

• Sealed center differential with metal spur gear

• Enclosed drivetrain and easy-access front and rear differentials

• Composite chassis and front/rear bumpers

• Four-wheel independent double-wishbone suspension

• Oil-filled shocks and adjustable steering turnbuckles

• Aluminum 12mm wheel hexes

• Belted dBoots Hoons tires

• Clipless quick-release body

• SmartFit click-out battery retention system

• Motor heatsink and cooling fan

Color Options
Blue/Red, Red/Black, Yellow/Black, and Limited Edition Blue/Black. The exclusive Blue/Black version includes a second 3S battery.

Warranty: 2-year limited warranty.

Note: Maximum speed depends on operating conditions and setup. Follow battery charging instructions and use a suitable open driving area for high-speed operation.

Performance Features

• Brushless electric power system

• 2838 4350Kv motor

• 3S LiPo compatibility

• Top speed rated at 50+ MPH

• Four-wheel-drive traction

• Spektrum DSC and Smart technology

• Oil-filled shock absorbers

• Water-resistant construction

Drivetrain and Setup

• Gear ratio: 2.19:1

• Pinion: 27T

• Spur gear: 59T

• Gear pitch: MOD 0.5

• Steering: 2WS

• Wheel hex: 12mm

Dimensions and Weight

• Scale: 1/12

• Length: 382 mm (15.04 in)

• Width: 174 mm (6.85 in)

• Height: 118 mm (4.65 in)

• Wheelbase: 222 mm (8.74 in)

• Weight: 1.27 kg (2.8 lb)

Battery Requirements

• Compatible with 3S LiPo batteries

• Included battery uses an IC2 connector

• Standard battery tray: 100 × 34 × 20.3 mm

• Maximum battery size with optional ARA-1418 strap: 112 × 34 × 22.5 mm

What's Included

• ARRMA INFRACTION GROM 3S BLX 4X4 RTR vehicle

• Battery and charger

• Radio transmitter and receiver

• Steering servo

• Electronic speed controller

Ready-to-Run Convenience: The vehicle arrives with its body painted, decaled, and trimmed. Check the included instructions for battery charging and operating requirements before driving.

FIRST-EVER ALL-ROAD ARRMA GROM

The compact 1/12 scale INFRACTION GROM 3S BLX brings genuine all-road street bashing to the GROM platform for the first time. Built to drift, rip, and shred parking lots, driveways, and every paved stretch you can find.

50+ MPH 3S BRUSHLESS PERFORMANCE

Serious 3S brushless speed in a genuinely compact package. The INFRACTION GROM 3S delivers real, verified 50+ MPH street-running capability without the size, cost, or intimidation factor of a full-scale basher.

DYNAMIC STABILITY CONTROL (DSC)

Spektrum™ Dynamic Stability Control automatically applies steering correction for easy, controllable stunt action, with four selectable modes to match your surface and skill level: Off for zero correction and full manual control, Low for high-grip surfaces, Medium for lower-grip surfaces, and High for maximum safety. Dial it back as your confidence builds, or leave it engaged and just enjoy the ride.

POWERGUARD & THE POWERKEY

PowerGuard technology gives you two ways to bash and one way to dominate. Right out of the box, Adrenaline Mode delivers a confident 30+ MPH on the included 3S battery with no extra purchases required. When you’re ready for more, insert the included PowerKey to unlock full Chaos Mode and everything this little truck has: real, verified 50+ MPH insanity that turns any parking lot, driveway, or dirt pile into your own personal thunder dome.

DBOOTS HOONS BELTED STREET TIRES

High-performance dBoots Hoons white compound belted tires come standard, delivering the grip and stability you need for smoky slides and planted speed runs on pavement.

QUICK-RELEASE CLIPLESS BODY DESIGN

An inner body support frame with a clipless retention system means fast battery swaps and easy chassis access, so you spend less time in the pits and more time bashing.

METAL DRIVETRAIN AND 4X4 DURABILITY

Built ARRMA tough for curb hits, parking lot sessions, and everything the street throws at it. The enclosed 4X4 metal drivetrain, sealed center differential with metal spur gear, and aluminum 12mm wheel hexes shrug off hard launches and keep the fun going run after run.

SMARTFIT BATTERY SYSTEM

Click-out battery, no straps, no hassle. SmartFit’s standardized battery size delivers a precise, super-secure fit with an integrated battery connection, Just click in and go.