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Arrma (ARA)
SKU:ARA2315ST2
1/12 Infraction Grom 3S BLX Ready to Run with Battery and Charger (Yellow) (ARA2315ST2)
1/12 Infraction Grom 3S BLX Ready to Run with Battery and Charger (Yellow) (ARA2315ST2)
This item is currently available for Preorder.
The ARRMA INFRACTION GROM 3S BLX 4X4 is designed for exhilarating all-road bashing, combining the thrill of street performance with compact 1/12 scale convenience. This ready-to-run model boasts a striking yellow and black design, making it visually appealing as it reaches speeds over 50 mph, thanks to its powerful brushless motor and advanced PowerGuard technology.
This model is equipped with a user-friendly PowerKey system that allows beginners to start in Adrenaline Mode, achieving speeds of 30+ mph right out of the box. For more experienced users, engaging Chaos Mode unlocks maximum potential for thrilling racing experiences. The Spektrum Dynamic Stability Control (DSC) ensures your drifting skills remain controlled while providing four selectable modes for tailored driving experiences.
The robust construction of the INFRACTION GROM 3S features a sealed center differential and an enclosed 4WD drivetrain, providing durability against rough terrains and enhancing its street-bashing capabilities. The vehicle’s double wishbone suspension system supports stability around corners, while the oil-filled shocks ensure smooth handling over various surfaces.
Mounted on the truck are high-performance dBoots Hoons tires that deliver optimal grip for drifting and acceleration. The easy-access, clipless body design facilitates quick battery changes, making for seamless transitions between runs. Additionally, the SmartFit battery system ensures a secure fit without the hassle of straps, enhancing user convenience.
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Exploded View
Parts List
Parts List
Product Manual
Product Manual

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Overview
The ARRMA INFRACTION GROM 3S BLX 4X4 is designed for exhilarating all-road bashing, combining the thrill of street performance with compact 1/12 scale convenience. This ready-to-run model boasts a striking yellow and black design, making it visually appealing as it reaches speeds over 50 mph, thanks to its powerful brushless motor and advanced PowerGuard technology.
This model is equipped with a user-friendly PowerKey system that allows beginners to start in Adrenaline Mode, achieving speeds of 30+ mph right out of the box. For more experienced users, engaging Chaos Mode unlocks maximum potential for thrilling racing experiences. The Spektrum Dynamic Stability Control (DSC) ensures your drifting skills remain controlled while providing four selectable modes for tailored driving experiences.
The robust construction of the INFRACTION GROM 3S features a sealed center differential and an enclosed 4WD drivetrain, providing durability against rough terrains and enhancing its street-bashing capabilities. The vehicle’s double wishbone suspension system supports stability around corners, while the oil-filled shocks ensure smooth handling over various surfaces.
Mounted on the truck are high-performance dBoots Hoons tires that deliver optimal grip for drifting and acceleration. The easy-access, clipless body design facilitates quick battery changes, making for seamless transitions between runs. Additionally, the SmartFit battery system ensures a secure fit without the hassle of straps, enhancing user convenience.
Features
- 50+ MPH 3S brushless power unlocked with PowerGuard and included PowerKey for Chaos Mode
- Spektrum DSC with 4 selectable modes for easy steering control
- SmartFit click-out battery system for secure, strap-free fit
- Metal 4X4 drivetrain for durability during street bashes
- Sealed center differential with metal spur gear
- Easy-access differentials for maintenance
- Street-tough composite chassis withstands curb hits
- Double wishbone, four-wheel independent suspension
- Oil-filled shocks provide smooth handling
- Adjustable steering turnbuckles for precise control
- Cooling fan and motor heatsink for extended runtime
- dBoots Hoons white compound belted tires for superior grip
- Quick-release, clipless body design for fast battery swaps
- Multiple color options available including Limited Edition
- Waterproof Spektrum 2-in-1 40A Brushless ESC & Receiver
- Spektrum 4350Kv Brushless Motor
- Spektrum SLT2 2.4GHz Transmitter included
- Spektrum Smart 1300mAh 3S Hard Case LiPo Battery included
- Spektrum S22 Mini USB-C 3S Charger included
- 2-Year limited warranty
- Ready to run - battery and charger included
Needed to Complete
- Additional Batteries (recommended for extended run time)
- Spare Parts (e.g., tires, body, suspension components)
- Battery Strap (optional for securing additional batteries)
- Upgrade Parts (e.g., higher capacity battery, improved servos)
- LiPo Battery Storage Bags (for safe storage of LiPo batteries)
- RC Car Tools (e.g., wrenches, screwdrivers for maintenance)
- Charging Accessories (e.g., suitable LiPo balance charger if upgrading batteries)
- Protective Gear (e.g., body cover for added protection during storage or transport)
Specifications
- Scale: 1/12
- Vehicle Type: All-Road
- Top Speed: 50+
- Power Type: Electric
- Motor Type: Brushless
- Motor Size: 2838 4350Kv
- Drivetrain: 4WD
- Power System: 3S
- Battery: Included
- Charger: Included
- Receiver: Included
- Radio: Included
- Servos: Included
- Completion Level: Ready-To-Run
- Body: Painted, Decaled, Trimmed
- Tire Compound: White
- Tire Tread: dBoots Hoons
- Shock Type: Oil-filled
- Wheel Hex Size: 12mm
- Connector Type: IC2
- Chassis: Composite
- Steering Type: 2WS
- Product Length: 15.04" (382 mm)
- Product Width: 6.85" (174 mm)
- Product Height: 4.65" (118 mm)
- Wheelbase: 8.74" (222 mm)
- Product Weight: 2.8 lbs (1.27 kg)
- Battery Tray Dimensions: 3.93 x 1.34 x 0.80 in (100 x 34 x 20.3 mm)
- Max Battery Dimensions: 4.41 x 1.34 x 0.88 in (112 x 34 x 22.5 mm) with optional ARA-1418 Battery Strap
- Gear Ratio: 2.19:1
- Pinion: 27T
- Spur Gear: 59T
- Gear Pitch: MOD 0.5
- Water-Resistant: Yes
- Cooling Fan and Motor Heatsink: Yes
- Power Management Technology: DSC, Smart
- Front Shock Spring Rate: 23.3 lb/in (4.08 N/mm)
- Rear Shock Spring Rate: 17.36 lb/in (3.04 N/mm)
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