ARRMA Granite Grom RC Monster Truck 1/18 4WD RTR Blue ARA2102T1

The ARRMA ARA2102T1 Granite Grom is a compact 1/18 scale 4WD ready-to-run RC monster truck in Blue, combining a MEGA 380 brushed power system with metal drivetrain gears, oil-filled shocks and Spektrum electronics. The included 2S Smart LiPo battery, USB-C charger and SLT2 radio make it a complete package that only requires a suitable USB power adapter before driving.

Features

• Compact ARRMA Basher: 1/18 scale Granite Grom delivers ARRMA monster truck design and 4WD performance in a portable format
• Ready-To-Run Package: Includes the vehicle, radio, 2S LiPo battery, USB-C Smart charger and transmitter batteries
• MEGA 380 Brushed Power: Factory-installed 28T brushed motor provides accessible performance for general off-road bashing
• 20+ mph Performance: ARRMA rates the standard power system for speeds of 20+ mph / 32+ km/h
• Shaft-Driven 4WD: High-traction four-wheel drive system distributes power to all four wheels
• Metal Drivetrain Gears: Full metal drivetrain gearing provides durability for regular bashing
• Enclosed Drivetrain: Helps protect drivetrain components from dirt and debris during off-road use
• Geared Differentials: Front and rear geared differentials provide a 50/50 torque split
• Independent Suspension: Oil-filled coil-over shocks and independent suspension help control the truck over uneven surfaces
• dBoots Fortress Tyres: Monster truck tyres provide all-terrain traction and suit the Granite Grom platform
• Clipless Body Mounting: Press-and-release body attachment makes battery access simple without conventional body clips
• Composite Chassis: Moulded composite construction provides a durable foundation for off-road use
• Impact-Absorbing Bumpers: Front and rear bumpers help protect the truck during everyday bashing
• Spektrum 2-in-1 Electronics: Waterproof SLT 25A ESC and receiver uses an IC2 battery connection
• Metal-Geared Steering Servo: Spektrum SX110 waterproof servo provides durable steering control
• Adjustable Speed Limiting: SLT2 transmitter offers 50%, 75% and 100% throttle settings to help newer drivers build confidence
• Smart Battery System: Included Spektrum 1400mAh 2S Smart LiPo works with the supplied S10 Smart G2 USB-C charger for straightforward charging

Specifications

• Brand: ARRMA
• Model: Granite Grom MEGA 380
• Product Type: RC Monster Truck
• Scale: 1/18
• Completion Level: RTR Ready-To-Run
• Drive System: Shaft-Driven 4WD
• Power Type: Electric
• Motor Type: Brushed
• Motor: ARRMA MEGA 380 28T Brushed Motor
• ESC / Receiver: Spektrum SLT 2-in-1 25A Waterproof ESC and Receiver
• Steering Servo: Spektrum SX110 Waterproof Metal-Geared Servo
• Radio: Spektrum SLT2 2-Channel 2.4GHz Transmitter
• Included Battery: Spektrum Smart 7.4V 1400mAh 2S 30C Hard Case LiPo
• Battery Connector: IC2
• Included Charger: Spektrum S10 Smart G2 Mini 2S USB-C Charger
• LiPo Compatibility: 2S
• Top Speed: 20+ mph / 32+ km/h
• Chassis: Moulded Composite
• Transmission: 4WD with Metal Gears
• Differentials: 2 Geared Differentials
• Torque Split: 50/50
• Gear Pitch: 0.5 MOD
• Pinion Gear: 16T
• Spur Gear: 59T
• Suspension: Independent
• Shocks: Oil-Filled Coil-Over
• Bearings: Rubber-Shielded Ball Bearings
• Tyres: dBoots Fortress
• Body: Pre-Painted and Decaled Clipless Monster Truck Body
• Length: 250mm / 9.84in
• Width: 200mm / 7.87in
• Height: 118mm / 4.65in
• Wheelbase: 165mm / 6.5in
• Ride Height: 30mm / 1.18in
• Weight: 800g / 1.77lb Including Supplied Battery
• Colour: Blue
• Manufacturer Part Number: ARA2102T1
• SKU: ARA2102T1

Includes

• 1 x ARRMA Granite Grom 1/18 4WD RTR RC Monster Truck Blue
• 1 x ARRMA MEGA 380 28T Brushed Motor Installed
• 1 x Spektrum SLT 2-in-1 25A Waterproof ESC and Receiver Installed
• 1 x Spektrum SX110 Waterproof Metal-Geared Steering Servo Installed
• 1 x Spektrum SLT2 2-Channel 2.4GHz Transmitter
• 1 x Spektrum Smart 7.4V 1400mAh 2S 30C Hard Case LiPo Battery
• 1 x Spektrum S10 Smart G2 Mini 2S USB-C Charger
• 4 x AA Transmitter Batteries
• 1 x Product Manual

Required To Complete

• 1 x USB Power Adapter with QC 2.0 / 3.0 and 18W or Higher Output

FAQ

Is the ARRMA Granite Grom ARA2102T1 ready to run? Yes. ARA2102T1 includes the assembled Granite Grom, Spektrum SLT2 transmitter, 1400mAh 2S Smart LiPo battery, S10 USB-C Smart charger and four AA transmitter batteries. A QC 2.0 / 3.0 USB power adapter rated at 18W or higher is required separately to power the charger.

Is ARA2102T1 brushed or brushless? ARA2102T1 is the brushed Granite Grom and uses an ARRMA MEGA 380 28T brushed motor with a Spektrum 25A 2-in-1 ESC and receiver. It should not be confused with later Granite Grom BLX brushless models.

How fast is the ARRMA Granite Grom ARA2102T1? ARRMA rates the standard ARA2102T1 Granite Grom for speeds of more than 20 mph / 32 km/h.

What battery comes with the Granite Grom? ARA2102T1 includes a Spektrum Smart 7.4V 1400mAh 2S 30C hard case LiPo battery with an IC2 connection.

Does the Granite Grom include a battery charger? Yes. A Spektrum S10 Smart G2 Mini 2S USB-C charger is included. A compatible QC 2.0 / 3.0 USB power adapter rated at 18W or higher is required separately.

Can the speed be reduced for a beginner? Yes. The included Spektrum SLT2 transmitter provides 50%, 75% and 100% throttle limiting, allowing maximum speed to be reduced while a new driver develops control skills.

Is the ARRMA Granite Grom waterproof? ARRMA specifies waterproof electronics, including the Spektrum 2-in-1 ESC and receiver and SX110 steering servo. The vehicle should still be cleaned and maintained appropriately after use in wet or dirty conditions.

How large is the Granite Grom? The ARA2102T1 measures 250mm long, 200mm wide and 118mm high with a 165mm wheelbase, making it considerably more compact than a typical 1/10 scale monster truck.

Important Notes

• This ARA2102T1 version is the Blue 1/18 Granite Grom MEGA 380 brushed model
• 2S 1400mAh Smart LiPo battery and USB-C Smart charger are included
• USB wall power adapter is not included
• Charging requires a QC 2.0 / 3.0 USB power adapter rated at 18W or higher
• Follow LiPo battery charging, storage and handling instructions supplied by the manufacturer