ARRMA Mojave GROM 4x4 Smart Small Scale Desert Truck - Ready to Run

Our review of the ARRMA Mojave GROM 4x4 Smart Small Scale Desert Truck looks at who will get the most from this compact, ready-to-run off-road racer and the single biggest reason to buy: a robust, high-traction 4WD drivetrain combined with a powerful Spektrum 2S LiPo battery and Smart charger that delivers immediate, confidence-inspiring performance out of the box. For hobbyists who want a durable, quick truck for driveway sprints and light off-road play, the Mojave GROM balances speed and build quality in a small, manageable package.

Key Features

• High-traction 4WD drivetrain: Provides consistent grip and acceleration on mixed surfaces so the truck maintains control during fast runs and cornering.
• Spektrum 2S LiPo battery with Smart charger: Delivers strong punch and a safe, easy-to-use charging solution so you can get back on the track quickly.
• Enclosed metal gear drivetrain: Protects internal gears from dirt and impacts, improving durability during rugged use.
• Improved V2 front and rear differentials: Offer better power distribution for more predictable handling at higher speeds and over rough terrain.
• Easy clipless body attachment: Lets users remove and reinstall the body fast for maintenance or battery swaps without tools.
• High-quality hex hardware: Ensures secure assembly and easier upkeep when replacing parts or adjusting the truck.

Who It's For

The Mojave GROM is aimed at hobbyists and casual drivers who want a small-scale, ready-to-run truck that still feels capable; it suits teens and adults who enjoy driveway racing, short off-road sessions, and experimenting with speed settings. Its compact size and included battery and charger make it a convenient pick for those who want immediate use with minimal setup.

Those who should look elsewhere include drivers who need long run times between charges or heavy-duty competition rigs for sustained all-day off-road racing, as reported battery life is modest and some users experienced breakages under extreme use. If extended runtime or full-size competition durability is critical, a larger scale or more specialized model is a better choice.

Pros & Cons

Pros

• Strong acceleration and top-end speed from the included Spektrum 2S LiPo battery provide an exciting driving experience.
• Durable enclosed metal gear drivetrain and improved V2 differentials boost reliability and handling over varied terrain.
• Ready-to-run package with Smart charger and clipless body attachment makes maintenance and charging straightforward.
• Well-built construction and quality hardware support long-term ownership when used responsibly.

Cons

• Battery runtime is limited to about 20 minutes per charge in typical use, which may require carrying spares for longer sessions.
• Some customers reported early breakages under aggressive use, so the truck may need careful handling at extreme speeds.

Specifications

Product	ARRMA Mojave GROM 4x4 Smart Small Scale Desert Truck
Drive	High-traction 4WD drivetrain
Battery	Spektrum 2S LiPo battery (included)
Charger	Spektrum Smart charger (included)
Drivetrain protection	Enclosed metal gear drivetrain
Diffs	Improved V2 front and rear differentials
Body attachment	Easy clipless body attachment

Our Verdict

The ARRMA Mojave GROM is a compact, ready-to-run desert truck that delivers strong speed, solid driveline engineering, and convenient charging out of the box, making it good value for hobbyists seeking quick thrills and easy maintenance. Owners should plan on brief run times and treat the truck with care at extreme speeds, but for most casual racers it represents a fun, capable small-scale package.

Frequently Asked Questions

How long is the battery runtime?
The included Spektrum 2S LiPo typically provides about 20 minutes of run time in normal use, so carrying a spare battery helps extend sessions.

Does it come ready to run?
Yes, the truck is RTR with the battery and Spektrum Smart charger included for immediate use.

Is the drivetrain durable for off-road use?
The enclosed metal gear drivetrain and improved V2 differentials enhance toughness, but aggressive driving can still cause breakage, so driving within limits improves longevity.