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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 Nov 18, 2025 11:53:04 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 2S LiPo battery & safe, easy-to-use charger

  • Easy body attachment and elimination

  • Confined drivetrain for all-terrain defense

  • Trustworthy, premium hex hardware

  • Long lasting 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 water resistant ESC and receiver

  • Spektrum SX110 water resistant metal-geared servo

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








Overview


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


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


Unlike many producers of tiny RC models, ARRMA made no compromises when diminishing this basher down to small scale size. The GRANITE GROM 4X4 Monster Truck is precision-engineered to the exact same high requirements as bigger ARRMA RC vehicles. It likewise has a clipless body mount design that keeps the body safely connected however simple to remove for all drivers, young and old. Among small scale RC basher models it's in a league of its own, with benefit plus the power, strength, and handling abilities you require to buckle down about your stunts.


The ARRMA GRANITE GROM 4X4 Monster Truck endures any punishment 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 hard 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 newbie RC basher, the Spektrum 2.4GHz SLT2 transmitter helps you find out control skills safely by restricting the monster truck's optimum speed to 50% or 75% until you're prepared to handle all of it. Recharging the consisted of Spektrum Smart 2S LiPo battery is likewise worry-free. Simply plug it into the supplied Spektrum S10 Smart G2 Mini 2S USB-C Battery charger with the connected IC2 adapters. Smart innovation instantly takes care of the rest. In about an hour, your battery is safely recharged and prepared for another round of enjoyable.


Everything you'll require to the run the GRANITE GROM can be found in the box. The truck body is professionally factory-finished in your choice of three brilliant, durable color design. GRANITE GROM upgrade parts are available for cranking up its abilities past eleven. They include a Metal Axle & Wheel Hub Set, Aluminum Shock Set, Adjustable Steering Hyperlinks, and a two-piece, assembled Oil-Filled Differential Set.


Take advantage of small scale worth 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 crafted and produced to the exact same high requirements of sturdiness and efficiency that you anticipate from any ARRMA lorry. It's simply smaller sized!


 



AWESOME MONSTER TRUCK LOOKS
AWESOME MONSTER TRUCK LOOKS

Right out of the box, the monster truck body comes professionally factory-finished in your choice of three brilliant, durable color design. Hard dBoots® FORTRESS monster truck wheels and tires include 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, rapidly, and safely. It comes off with a basic press-and-release. Without any tiny clips to push into place, it's a body attachment system that all ages can successfully manage.


 



HARD METAL GEARS
TOUGH METAL GEARS

Take pleasure in carefree slamming with your ARRMA GRANITE GROM monster truck in any conditions. The transmission is completely metal tailored for sturdiness. Even the installed Spektrum SX110 water resistant steering servo has hard 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 trustworthy efficiency on all surface.


 









FAST, SAFE BATTERY CHARGING
FAST, SAFE BATTERY CHARGING

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


 



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

The premium Spektrum SLT2 2-channel transmitter is the perfect size for all drivers. It can assist you find out control skills safely by restricting the monster truck's optimum speed to 50% or 75% until you're prepared for all of it. Four AA batteries consisted of.


 








*For information on water resistant requirements, please describe the item 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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