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ARRMA 1/18 GRANITE GROM MEGA 380 Brushed 4X4 Monster Truck RTR with Ba (ARRMA 2102T1 | ARA2102T1)

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Model: ARRMA 2102T1
Dist. #: ARA2102T1   SKU: ARA2102T1

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South Jordan, UT
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Price:  $149.99

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Updated on Sep 21, 2025 02:44:18 PM

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, user friendly charger

  • Easy body accessory and elimination

  • Confined drivetrain for all-terrain security

  • Reputable, premium hex hardware

  • Durable composite chassis

  • High-traction 4WD transmission

  • Tough metal equipments





  • 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 waterproof ESC and receiver

  • Spektrum SX110 waterproof metal-geared servo

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








Overview


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


Take pleasure in some after-school RC monster truck action with buddies. Slip in a little slamming throughout your workplace lunch break. Whether you're a young beginner or a skilled RC basher, the GRANITE GROM quickly fits time for ARRMA RC slamming into your way of life. It's tough, fast — and conveniently small.


Unlike many producers of small RC designs, ARRMA made no compromises when diminishing this basher to small scale size. The GRANITE GROM 4X4 Beast Truck is precision-engineered to the very same high standards as bigger ARRMA RC automobiles. It also has a clipless body mount style that keeps the body firmly attached but easy to eliminate for all drivers, young and old. Amongst small scale RC basher designs it's in a league of its own, with convenience plus the power, strength, and handling abilities you need to buckle down about your stunts.


The ARRMA GRANITE GROM 4X4 Beast 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 equipments brings 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 equipments — 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 first-time RC basher, the Spektrum 2.4GHz SLT2 transmitter assists you find out control abilities securely by limiting the monster truck's maximum speed to 50% or 75% up until you're ready to manage everything. Recharging the consisted of Spektrum Smart 2S LiPo battery is also stress-free. Just plug it into the provided Spektrum S10 Smart G2 Mini Two USB-C Battery charger with the attached IC2 connectors. Smart technology immediately takes care of the rest. In about an hour, your battery is securely recharged and ready for another round of fun.


Everything you'll need to the run the GRANITE GROM is available in package. The truck body is expertly factory-finished in your choice of three fantastic, durable color schemes. GRANITE GROM upgrade parts are readily available for cranking up its abilities past eleven. They include a Metal Axle & Wheel Center Set, Aluminum Shock Set, Adjustable Steering Hyperlinks, and a two-piece, assembled Oil-Filled Differential Set.


Make the most of small scale value and flexibility with the GRANITE GROM 4X4 Beast 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 Beast Truck RTR is engineered and produced to the very same high standards of durability and efficiency that you expect from any ARRMA vehicle. 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 choice of three fantastic, durable color schemes. Tough dBoots® FORTRESS monster truck wheels and tires add powerful appearances and all-terrain traction.


 









CLIP-FREE BODY ACCESSORY
CLIP-FREE BODY ATTACHMENT

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


 



TOUGH METAL GEARS
TOUGH METAL GEARS

Take pleasure in carefree slamming with your ARRMA GRANITE GROM monster truck in any conditions. The transmission is totally metal geared for durability. Even the installed Spektrum SX110 waterproof steering servo has difficult metal equipments.


 










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

The high-traction 4-wheel drive transmission includes rugged metal equipments. It brings 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 terrain.


 









FAST, SAFE BATTERY CHARGING
FAST, SAFE BATTERY CHARGING

The Spektrum Smart 2S LiPo battery with IC2 connectors offers the power for long term times. When it's time to recharge, just plug it into the convenient Spektrum Smart G2 S10 USB-C Charger. Safe charging begins instantly and only 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 ideal size for all drivers. It can assist you find out control abilities securely by limiting the monster truck's maximum speed to 50% or 75% up until you're ready for everything. 4 AA batteries consisted of.


 








*For information on waterproof standards, 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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