Overview
The ARRMA 1/16 MOJAVE GROM MEGA 4X4 DT is a ready to run RC desert truck that brings authentic Baja-style action into a compact, portable package. Designed for bashers of all experience levels, this small scale RC car UK offers the same legendary toughness and performance you'd expect from ARRMA's larger vehicles, but in a size that's perfect for indoor and outdoor adventures. Whether you're a first-time RC hobbyist or an experienced driver looking for a fun weekend basher, this brushed RC truck delivers genuine desert truck styling with absolutely no compromises on build quality or engineering standards.
Off-road racing pushes full-size desert trucks through brutal tests of performance and endurance, and RC model versions face their own challenges during aggressive bashing sessions. The MOJAVE GROM comes prepared with the toughness that ARRMA is renowned for, combined with agile and responsive handling that makes it a genuine joy to drive. What sets this ready to run RC truck apart is its ability to go places that larger RC desert trucks simply cannot access. You can take this 1/16 scale machine almost anywhere—indoor spaces, compact outdoor areas, parks and gardens—making it the ultimate portable bashing platform for RC enthusiasts across the UK.
With its detailed desert truck looks, comprehensive factory finish and colour-coordinated wheels, the MOJAVE GROM captures authentic Baja realism at a fraction of the size of traditional RC trucks. The enclosed metal gear drivetrain, improved V2 front and rear differentials, and powerful Spektrum 2S LiPo battery system ensure consistent performance whether you're driving on sand, dirt, grass or concrete. Best of all, this brushed RC truck comes complete with battery and charger, meaning you can unbox it and start bashing within minutes.
Key Features
- High-Traction 4WD Drivetrain — The four-wheel drive system delivers power to all four wheels simultaneously, providing maximum traction across varied terrain and allowing you to tackle challenging surfaces with confidence. This ensures the truck maintains grip whether you're driving through muddy patches, sandy areas or rocky ground.
- Enclosed Metal Gear Drivetrain — All drivetrain components are fully enclosed and feature tough metal gears rather than plastic, providing durability that withstands extreme bashing and aggressive driving. The metal construction means the drivetrain can handle significant punishment and resist wear from continuous use.
- Improved V2 Front and Rear Differentials — The updated V2 differential design features metal internal gears and cross pins, providing superior durability and the ability to handle future power upgrades if you decide to modify your truck. This engineering improvement ensures smoother power distribution and better handling characteristics.
- MEGA 380 28T Brushed Motor — The powerful brushed motor delivers reliable, consistent performance with smooth acceleration and excellent throttle response. This proven motor design provides ample power for high-speed driving whilst maintaining efficiency and heat management.
- Spektrum 2S LiPo Battery with Smart Charging — The included Spektrum Smart 7.4V 1400mAh 2S 30C Hard Case LiPo battery with IC2 connectors provides excellent runtime and compatibility with the integrated charging system. Smart battery technology ensures safe operation and optimal cell balance.
- Spektrum S10 Smart G2 Mini 2S USB-C Charger — This intelligent charger features Safe charging protocols that begin automatically, taking just one hour to fully recharge your battery. The USB-C connection is modern and convenient, with a QC 2.0/3.0 power adapter required for operation.
- Spektrum Waterproof SLT 2-in-1 25A ESC and Receiver — The integrated electronic speed control and receiver system is fully waterproof, allowing you to drive through wet conditions without concern. The 25A current rating provides smooth power delivery and protection against overload conditions.
- Spektrum SX110 Waterproof Metal-Geared Servo — The steering servo features metal gears for durability and waterproof construction for all-weather operation. This ensures precise, reliable steering response in any conditions you encounter.
- Spektrum 2.4GHz SLT2 Transmitter with Speed Control — The included two-channel radio features beginner-friendly speed limiting that restricts maximum vehicle speed to 50% or 75% until you gain confidence and skill. This safety feature is perfect for new drivers learning control techniques, and four AA batteries are included.
- Easy Clipless Body Attachment — The desert truck body snaps onto the chassis with a simple press-and-release mechanism requiring no tiny clips. This quick-release system is perfect for young bashers and makes body removal effortless for maintenance or customisation.
- Oil-Filled Coil-Over Shocks — Independent suspension with oil-filled shock absorbers soaks up bumps and impacts, providing smooth handling over rough terrain. The damping system prevents excessive bouncing and maintains consistent ground contact.
- 25mm Cooling Fan and Motor Heatsink — Integrated cooling systems keep the motor and electronics at safe operating temperatures during extended driving sessions. The ventilated composite chassis works alongside the high-speed fan to maintain thermal efficiency.
- dBoots Fortress Tyres on Colour-Coordinated Wheels — The all-terrain dBoots Fortress tyres provide excellent grip and durability on multiple surface types. The wheels are colour-matched to the body for a cohesive, professional appearance and feature 12mm hex sizing.
- Impact-Absorbing Front and Rear Bumpers — Dedicated bumpers protect the chassis during collisions and aggressive driving, reducing damage from inevitable impacts during bashful sessions.
- Durable Composite Chassis — The strong composite chassis is ventilated to assist heat dissipation and is engineered to absorb impacts whilst maintaining structural rigidity. High-quality hex hardware is used throughout for reliability and straightforward maintenance.
- Water-Resistant Design — The waterproof electronics and sealed components allow this ready to run RC truck to operate in wet conditions, expanding where and when you can enjoy your vehicle.
Technical Performance
The ARRMA MOJAVE GROM delivers impressive performance in a compact 1/16 scale package measuring just 338mm in length, 172mm in width and 120mm in height, with a total weight of 1.03kg including the factory-installed battery. The MEGA 380 28T brushed motor is paired with an enclosed 4WD drivetrain featuring metal gears throughout, delivering a top speed of 20+ mph and excellent acceleration characteristics. The Spektrum SLT 2-in-1 25A ESC manages power delivery with precision, whilst the Spektrum Smart 2S LiPo battery (7.4V, 1400mAh, 30C discharge rating) provides sufficient capacity for extended play sessions. The vehicle uses IC2 connectors for battery compatibility, and the intelligent charger can fully recharge the battery in approximately one hour. The 7.71-inch wheelbase provides a well-proportioned stance that contributes to stable handling and predictable cornering behaviour. The Spektrum 2.4GHz SLT2 two-channel radio system offers reliable, interference-free communication, with beginner speed-limiting modes making it accessible for drivers still developing their skills. All electronic components, including the 25A waterproof ESC, receiver, and servo, feature waterproof construction allowing operation in damp conditions. The oil-filled shocks and updated V2 differentials with metal gears ensure smooth performance and durability, whilst the ventilated composite chassis and integrated cooling fan manage thermal loads effectively during aggressive driving sessions. Whether you're seeking a fun weekend basher, an entry-level RC truck for beginners, or a compact alternative to larger machines, the MOJAVE GROM delivers ARRMA's reputation for quality engineering and bash-ready durability in a genuinely portable format.
What's in the Box
- ARRMA MOJAVE GROM Small Scale 4X4 Desert Truck RTR
- Spektrum Waterproof SLT 2-in-1 25A ESC and Receiver
- ARRMA MEGA 380 28T Brushed Motor
- Spektrum 2.4GHz SLT2 Two-Channel Transmitter
- Spektrum SX110 Waterproof Metal-Geared Servo
- Spektrum Smart 7.4V 1400mAh 2S 30C Hard Case LiPo Battery with IC2 Connectors
- Spektrum S10 Smart G2 Mini 2S USB-C Charger
- Four AA Transmitter Batteries
- Hex Wrench
- Instruction Manual (Multilingual)
What You Need to Complete
- USB Power Adapter with QC 2.0/3.0 18W or higher output for charging (used to power the Spektrum S10 Smart G2 Mini charger)
Frequently Asked Questions
- Is the ARRMA MOJAVE GROM suitable for RC beginners? — Yes, this is an excellent choice for first-time RC drivers. The Spektrum SLT2 transmitter includes speed-limiting modes that restrict maximum velocity to 50% or 75%, allowing new drivers to develop control skills safely before accessing full throttle. The clipless body attachment system is simple enough for children to manage, and the ready-to-run package eliminates the need for assembly or complex setup.
- What battery does this RC truck need, and how long does charging take? — The MOJAVE GROM uses a Spektrum Smart 7.4V 1400mAh 2S 30C Hard Case LiPo battery with IC2 connectors, which is included in the package. The included Spektrum S10 Smart G2 Mini 2S USB-C Charger fully recharges the battery in approximately one hour, provided you connect it to a USB power adapter with QC 2.0/3.0 18W or higher output. The Smart charging system monitors cell voltage and automatically manages the charging process.
- How fast is the MOJAVE GROM? — The truck achieves a top speed of 20+ mph, which is appropriate for a 1/16 scale brushed vehicle. This speed is thrilling for bashers whilst remaining manageable for drivers developing their skills, especially with the transmitter's speed-limiting functions engaged.
- Can I upgrade the MOJAVE GROM with different parts? — Yes, ARRMA manufactures an extensive range of upgrade parts for the MOJAVE GROM. The updated V2 differentials with metal internal gears and cross pins are specifically designed to handle future power upgrades. Optional upgrades include a Metal Axle and Wheel Hub Set (ARA311231), Aluminium Shock Set (ARA-1567), Adjustable Steering Links (ARA340217), and a two-piece, assembled Oil-Filled Differential Set (ARA311193). Third-party manufacturers also produce compatible upgrades including aluminium suspension arms.
- Is the MOJAVE GROM waterproof? — The vehicle features water-resistant electronics with fully waterproof components including the Spektrum SLT 2-in-1 25A ESC, receiver, and SX110 servo. This allows operation in wet conditions and rain, though full waterproofing of all components is not claimed. The sealed drivetrain and ventilated chassis design also provide protection for internal components.
- What size are the tyres, and can I fit different ones? — The truck comes equipped with dBoots Fortress tyres mounted on body colour-coordinated wheels with 12mm hex sizing. The 12mm hex standard is widely supported by aftermarket tyre and wheel manufacturers, making it relatively straightforward to source alternative options if desired.
- How does the MOJAVE GROM compare to other 1/16 scale RC trucks? — The MOJAVE GROM stands out through ARRMA's reputation for engineering quality, featuring an enclosed metal gear drivetrain, updated V2 differentials, integrated waterproof electronics, and authentic desert truck styling. The included battery and charger, combined with beginner-friendly transmitter controls, make this a complete ready-to-run solution that requires no additional purchases to start driving. The compact 1/16 scale size makes it more portable than larger MOJAVE models whilst maintaining the performance and durability characteristics that define the ARRMA brand.
- What kind of surfaces can I drive on? — The high-traction 4WD drivetrain, oil-filled shocks, and dBoots Fortress all-terrain tyres allow the MOJAVE GROM to perform well on multiple surfaces including sand, dirt, grass, gravel, and concrete. The enclosed drivetrain and waterproof electronics mean you can drive in damp conditions. Indoor driving on smooth floors is also possible, though the outdoor performance is where this desert truck truly excels.
Why Buy from RC Model Shop?
RC Model Shop is a trusted UK RC retailer and authorised dealer for all the brands we stock, including Traxxas, ARRMA, Losi, FTX, Hobbywing, Spektrum and more. Based in Walsall, we have a physical store where customers are welcome to come in, view products and purchase in store. Whether you are a seasoned competitor, a weekend basher, or just discovering the world of RC for the first time, our team of experienced RC enthusiasts is here to help you find the perfect setup and provide ongoing support. Order the ARRMA 1/16 MOJAVE GROM MEGA 4X4 DT with Battery & Charger Red C-ARA2104T1 today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. Shop online or visit us in Walsall — we look forward to helping you get the most out of your RC experience.
