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ARRMA 1/18 GRANITE GROM MEGA 380 Brushed 4X4 Monster Truck RTR with Ba (ARRMA 2102T3 | ARA2102T3)

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Model: ARRMA 2102T3
Dist. #: ARA2102T3   SKU: ARA2102T3

Customer Reviews: Rated 5.0 stars 5 of 5 (1 Review)

Shipping: In Stock For Shipping
Store Pickup:

South Jordan, UT
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Price:  $149.99

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Updated on Sep 21, 2025 06:33:22 AM

1/18 GRANITE GROM MEGA 380 Brushed 4X4 Monster Truck RTR with Ba...








Features






  • Awesome monster truck styling with three color choices

  • Powerful Spektrum two LiPo battery & safe, user friendly battery charger

  • Easy body attachment and removal

  • Enclosed drivetrain for all-terrain security

  • Reputable, high-quality hex hardware

  • Resilient composite chassis

  • High-traction 4WD transmission

  • Hard metal gears





  • Independent suspension and oil-filled, coil-over shocks

  • Hard monster truck wheels and tires

  • Impact-absorbing front and rear bumper

  • Spektrum SLT2 2-channel 2.4GHz radio

  • Spektrum SLT 2-in-1 25A waterproof ESC and receiver

  • Spektrum SX110 waterproof metal-geared servo

  • 2-Year minimal warranty (see website for information)








Overview


Amped-up ARRMA® RC blasting gets "fun-sized" with the quick|quick}, tough, and ready-to-run GRANITE GROM 4X4 Monster Truck. At 1/18 scale, it's little enough to take along anywhere. And the GRANITE GROM provides a big dosage of real ARRMA efficiency and durability whenever you get the desire to slam.


Delight in some after-school RC monster truck action with good friends. Slip in a little slamming throughout your workplace lunch break. Whether you're a young novice or a knowledgeable RC basher, the GRANITE GROM easily fits time for ARRMA RC slamming into your lifestyle. It's tough, fast — and easily small.


Unlike numerous producers of mini RC models, ARRMA made no compromises when shrinking this basher to little scale size. The GRANITE GROM 4X4 Monster Truck is precision-engineered to the same high requirements as larger ARRMA RC automobiles. It also has a clipless body mount design that keeps the body firmly attached but simple to get rid of for all motorists, young and old. Among little scale RC basher models it's in a league of its own, with convenience plus the power, strength, and managing capabilities you require to buckle down about your stunts.


The ARRMA GRANITE GROM 4X4 Monster Truck endures any penalty you can dispense. Impact-absorbing front and rear bumpers are the bash-ready bookends to its strong composite chassis. A 4WD transmission with robust metal gears carries power from the MEGA 380 brushed motor through an enclosed drivetrain to the tough dBoots® FORTRESS monster truck wheels and tires. Even the Spektrum SX110 steering servo has metal gears — and, like the IC2® connector-equipped Spektrum SLT 2-in-1 25A ESC and receiver, it's waterproof for carefree slamming in any conditions.


If you're a newbie RC basher, the Spektrum 2.4GHz SLT2 transmitter assists you discover control abilities safely by restricting the monster truck's maximum speed to 50% or 75% up until you're ready to handle it all. Recharging the included Spektrum Smart two LiPo battery is also carefree. Simply plug it into the provided Spektrum S10 Smart G2 Mini 2S USB-C Battery charger with the attached IC2 adapters. Smart technology quickly looks after the rest. In about an hour, your battery is safely charged and ready for another round of enjoyable.


Everything you'll require to the run the GRANITE GROM is available in package. The truck body is expertly factory-finished in your option of three dazzling, resilient color design. GRANITE GROM upgrade parts are available for cranking up its capabilities past eleven. They consist of a Metal Axle & Wheel Center Set, Aluminum Shock Set, Adjustable Steering Hyperlinks, and a two-piece, put together Oil-Filled Differential Set.


Benefit from little scale value and versatility with the GRANITE GROM 4X4 Monster Truck RTR, and experience ARRMA RC slamming quality for yourself.







Video Overview








 






Under The Hood








 








BASH-ANYWHERE SMALL SCALE SIZE
BASH-ANYWHERE SMALL SCALE SIZE

The ARRMA GRANITE GROM 4X4 Monster Truck RTR is engineered and made to the same high requirements of durability and efficiency that you expect from any ARRMA car. It's just smaller!


 



AWESOME BEAST TRUCK LOOKS
AWESOME MONSTER TRUCK LOOKS

Right out of package, the monster truck body comes expertly factory-finished in your option of three dazzling, resilient color design. Hard dBoots® FORTRESS monster truck wheels and tires include effective looks and all-terrain traction.


 









CLIP-FREE BODY ATTACHMENT
CLIP-FREE BODY ATTACHMENT

The GRANITE GROM monster truck body snaps onto the chassis easily, rapidly, and firmly. It comes off with a basic press-and-release. Without any small clips to force into location, it's a body attachment system that any ages can successfully manage.


 



TOUGH METAL EQUIPMENTS
TOUGH METAL GEARS

Delight in carefree slamming with your ARRMA GRANITE GROM monster truck in any conditions. The transmission is totally metal tailored for durability. Even the installed Spektrum SX110 waterproof steering servo has tough metal gears.


 










RUGGED 4-WHEEL DRIVE TRANSMISSION
RUGGED 4-WHEEL DRIVE TRANSMISSION

The high-traction 4-wheel drive transmission includes rugged metal gears. It carries power from the installed MEGA 380 brushed motor to the wheels through an enclosed drivetrain. The whole power system is well-protected for dependable efficiency on all terrain.


 









FAST, SAFE BATTERY CHARGING
FAST, SAFE BATTERY CHARGING

The Spektrum Smart two LiPo battery with IC2 adapters supplies the power for long run times. When it's time to recharge, just plug it into the practical Spektrum Smart G2 S10 USB-C Charger. Safe charging starts instantly and just takes about an hour.


 



EASY-TO-USE SPEKTRUM 2.4GHz SLT2 TRANSMITTER
EASY-TO-USE SPEKTRUM 2.4GHz SLT2 TRANSMITTER

The high-quality Spektrum SLT2 2-channel transmitter is the perfect size for all motorists. It can assist you discover control abilities safely by restricting the monster truck's maximum speed to 50% or 75% up until you're ready for it all. 4 AA batteries included.


 








*For information on waterproof requirements, please describe the product instruction manuals.





Frequently Bought Together

ARRMA 1/18 GRANITE GROM MEGA 380 Brushed 4X4 Monster Truck RTR with Ba
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ARRMA 1/18 GRANITE GROM MEGA 380 Brushed 4X4 Monster Truck RTR with Ba
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ARRMA 1/18 GRANITE GROM MEGA 380 Brushed 4X4 Monster Truck RTR with Ba
This Item: ARRMA 1/18 GRANITE GROM MEGA 380 Brushed 4X4 Monster Truck RTR with Ba
$149.99
ARRMA 1/18 GRANITE GROM MEGA 380 Brushed 4X4 Monster Truck RTR with Ba
$149.99
ARRMA 1/18 GRANITE GROM MEGA 380 Brushed 4X4 Monster Truck RTR with Ba
$149.99

Total Price: $449.97

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Rated 5 stars Fun mini scale basher
By Ben S on November 10, 2023   Verified Purchase

Worked great out of the box. Pretty quick for the size and brushed 2S in the house.

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