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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 Apr 19, 2026 02:38:39 AM

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








Features






  • Amazing monster truck styling with 3 color options

  • Powerful Spektrum 2S LiPo battery & safe, user friendly battery charger

  • Easy body accessory and elimination

  • Enclosed drivetrain for all-terrain defense

  • Trustworthy, top quality hex hardware

  • Durable composite chassis

  • High-traction 4WD transmission

  • Tough metal gears





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

  • Tough monster truck wheels and tires

  • Impact-absorbing front and rear bumper

  • Spektrum SLT2 2-channel 2.4GHz radio

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

  • Spektrum SX110 water resistant metal-geared servo

  • 2-Year minimal service warranty (see site for details)








Overview


Amped-up ARRMA® RC blasting gets "fun-sized" with the quick|quick}, difficult, and ready-to-run GRANITE GROM 4X4 Monster Truck. At 1/18 scale, it's small enough to bring anywhere. And the GRANITE GROM delivers a huge dose of real ARRMA efficiency and sturdiness whenever you get the desire to bash.


Take pleasure in some after-school RC monster truck action with pals. Sneak 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 way of living. It's tough, fast — and easily small.


Unlike lots of producers of mini RC models, ARRMA made no compromises when shrinking this basher to small scale size. The GRANITE GROM 4X4 Monster Truck is precision-engineered to the same high standards as larger ARRMA RC cars. It likewise has a clipless body mount design that keeps the body safely attached however easy to get rid of for all chauffeurs, young and old. Amongst small scale RC basher models it's in a league of its own, with convenience plus the power, strength, and dealing with capabilities you need to get serious about your stunts.


The ARRMA GRANITE GROM 4X4 Monster Truck sustains any penalty you can dish out. 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 difficult 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 water resistant for carefree slamming in any conditions.


If you're a novice RC basher, the Spektrum 2.4GHz SLT2 transmitter helps you discover control skills securely by limiting the monster truck's maximum speed to 50% or 75% until you're prepared to manage all of it. Charging the consisted of Spektrum Smart 2S LiPo battery is likewise worry-free. Just plug it into the supplied Spektrum S10 Smart G2 Mini 2S USB-C Battery charger with the attached IC2 ports. Smart technology quickly looks after the rest. In about an hour, your battery is securely charged and prepared for another round of enjoyable.


Whatever you'll need to the run the GRANITE GROM can be found in package. The truck body is professionally factory-finished in your option of 3 brilliant, long lasting color pattern. GRANITE GROM upgrade parts are offered for cranking up its capabilities past eleven. They include a Metal Axle & Wheel Hub Set, Aluminum Shock Set, Adjustable Steering Links, and a two-piece, assembled Oil-Filled Differential Set.


Take advantage of small scale value and versatility with the GRANITE GROM 4X4 Monster Truck RTR, and experience ARRMA RC slamming excellence 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 crafted and manufactured to the same high standards of sturdiness and efficiency that you get out of any ARRMA vehicle. It's simply smaller!


 



REMARKABLE BEAST TRUCK LOOKS
AWESOME MONSTER TRUCK LOOKS

Right out of package, the monster truck body comes professionally factory-finished in your option of 3 brilliant, long lasting color pattern. Tough dBoots® FORTRESS monster truck wheels and tires add effective appearances and all-terrain traction.


 









CLIP-FREE BODY ATTACHMENT
CLIP-FREE BODY ATTACHMENT

The GRANITE GROM monster truck body snaps onto the chassis easily, quickly, and safely. It comes off with a basic press-and-release. Without any tiny clips to force into place, it's a body accessory system that any ages can effectively handle.


 



HARD METAL GEARS
TOUGH METAL GEARS

Take pleasure in carefree slamming with your ARRMA GRANITE GROM monster truck in any conditions. The transmission is fully metal tailored for sturdiness. Even the installed Spektrum SX110 water resistant steering servo has difficult 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 entire power system is well-protected for reputable efficiency on all surface.


 









FAST, SAFE BATTERY CHARGING
FAST, SAFE BATTERY CHARGING

The Spektrum Smart 2S LiPo battery with IC2 ports supplies the power for long run times. When it's time to recharge, simply plug it into the practical Spektrum Smart G2 S10 USB-C Battery Charger. Safe charging starts automatically and just takes about an hour.


 



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

The top quality Spektrum SLT2 2-channel transmitter is the perfect size for all chauffeurs. It can help you discover control skills securely by limiting the monster truck's maximum speed to 50% or 75% until you're prepared for all of it. 4 AA batteries consisted of.


 








*For details on water resistant standards, please refer to the product user's manual.





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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