--- product_id: 614382219 title: "RC Truck 1/18 Granite GROM MEGA 380 Brushed 4X4 Monster Truck RTR with Battery & Charger, Green, ARA2102T3" brand: "arrma" price: "$390.44" currency: USD in_stock: true reviews_count: 13 category: "Arrma" url: https://www.desertcart.us/products/614382219-rc-truck-1-18-granite-grom-mega-380-brushed-4x4 store_origin: US region: United States of America --- # 30 km/h top speed Spektrum 2S LiPo battery Durable metal gears & hex hardware RC Truck 1/18 Granite GROM MEGA 380 Brushed 4X4 Monster Truck RTR with Battery & Charger, Green, ARA2102T3 **Brand:** arrma **Price:** $390.44 **Availability:** ✅ In Stock ## Summary > 🚀 Small Scale, Big Bash: Unleash Monster Truck Madness Anywhere! ## Quick Answers - **What is this?** RC Truck 1/18 Granite GROM MEGA 380 Brushed 4X4 Monster Truck RTR with Battery & Charger, Green, ARA2102T3 by arrma - **How much does it cost?** $390.44 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/614382219-rc-truck-1-18-granite-grom-mega-380-brushed-4x4) ## Best For - arrma enthusiasts ## Why This Product - Trusted arrma brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Bash:** Impact-absorbing bumpers and enclosed drivetrain for rugged durability - • **Ready-to-Race:** RTR setup includes battery & smart USB-C charger—no extra buys needed - • **Precision Control:** Spektrum 2.4GHz SLT2 radio with waterproof metal-geared servo for pro-grade handling - • **Compact Powerhouse:** 1/18 scale monster truck with 4WD for all-terrain thrills - • **Effortless Maintenance:** Clipless body mounts for quick, tool-free access and customization ## Overview The ARRMA Granite GROM MEGA 380 is a 1/18 scale 4X4 monster truck designed for high-performance bashing with a top speed of 30 km/h. It comes ready-to-run with a powerful Spektrum 2S LiPo battery and smart USB-C charger, durable metal gears, and a waterproof Spektrum SLT2 radio system. Its compact size and rugged build make it perfect for both beginners and seasoned RC enthusiasts seeking portable, all-terrain fun. ## Description FeaturesAwesome monster truck styling with three color choicesPowerful Spektrum 2S LiPo battery & safe, easy-to-use chargerEasy body attachment and removalEnclosed drivetrain for all-terrain protection Reliable, high-quality hex hardware Durable composite chassisHigh-traction 4WD transmission Tough metal gearsIndependent suspension and oil-filled, coil-over shocksTough monster truck wheels and tiresImpact-absorbing front and rear bumperSpektrum SLT2 2-channel 2.4GHz radio Spektrum SLT 2-in-1 25A waterproof ESC and receiverSpektrum SX110 waterproof metal-geared servo2-Year limited warranty (see website for details)OverviewAmped-up ARRMA® RC blasting gets "fun-sized" with the fast, tough, 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 delivers a big dose of genuine ARRMA performance and durability whenever you get the urge to bash. Enjoy some after-school RC monster truck action with friends. Sneak in a little bashing during your office lunch break. Whether you're a young beginner or an experienced RC basher, the GRANITE GROM easily fits time for ARRMA RC bashing into your way of life. It's tough, fast — and conveniently small.Unlike many manufacturers of mini RC models, ARRMA made no compromises when shrinking this basher down to small scale size. The GRANITE GROM 4X4 Monster Truck is precision-engineered to the same high standards as larger ARRMA RC vehicles. It also has a clipless body mount design that keeps the body securely attached but easy to remove for all drivers, young and old ## Features - Awesome monster truck styling with three color choices - Powerful Spektrum 2S LiPo battery and safe, easy-to-use Smart charger - Easy body attachment and removal - Enclosed drivetrain for all-terrain protection - Reliable, high-quality hex hardware ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CTJTL1VS | | Additional Features | Brushless motor, closed drivetrain for all terrain, waterproof Spektrum™ SX110 metal gear steering servo, IC2® connection | | Age Range Description | 14+ | | Are Batteries Required | Yes | | Batteries are Included | Yes | | Battery Description | Lithium-Ion Polymer | | Best Sellers Rank | #55,346 in Toys & Games ( See Top 100 in Toys & Games ) #103 in Hobby RC Trucks | | Brand Name | ARRMA | | Color | Green | | Customer Package Type | FFP | | Customer Reviews | 4.3 out of 5 stars 258 Reviews | | Educational Objective | Learning through play and exploration | | Included Components | (1) ARRMA MEGA 380 28T brush motor, (1) ARRMA® GRANITE™ GROM Small Scale 4X4 Monster Truck RTR, (1) Spectrum 2.4GHz SLT2™ remote control, (1) waterproof spectrum SX110 metal gear steering servo, (1) Spektrum Smart 7.4V 1400mAh 2S 30C hard case LiPo battery with IC2®, (1) Spectrum S10 Smart G2 Mini 2S USB-C charger, (1) Waterproof Spectrum™ SLT™ 2-in-1 25A Regulator/Receiver Unit, Battery, Product … | | Indoor Outdoor Usage | Outdoor | | Is Assembly Required | Yes | | Item Dimensions | 12 x 9 x 7.9 inches | | Item Type Name | remote controlled car | | Item Weight | 1.8 Pounds | | Manufacturer | ARRMA | | Manufacturer Maximum Age (MONTHS) | 1500.0 | | Manufacturer Minimum Age (MONTHS) | 168.0 | | Manufacturer Part Number | ARA2102T3 | | Material Type | Plastic Metal Rubber | | Maximum Speed | 30 Kilometers per Hour | | Model Name | ARRMA RC Truck 1/18 GRANITE GROM MEGA 380 Brushed 4X4 Monster Truck RTR | | Model Number | ARA2102T3 | | Model Year | 2023 | | Number of Batteries | 1 Lithium Polymer batteries required. (included) | | Number of Items | 1 | | Number of Players | 1 | | Operation Mode | Electric | | Power Source | Battery Powered | | Scale | 1:18 Scale | | Set Name | Yes | | Size | 12 inches x 9 inches x 7.9 inches | | Theme | Truck | | Toy Vehicle Form | Car | | Unit Count | 1.0 Count | ## Images ![RC Truck 1/18 Granite GROM MEGA 380 Brushed 4X4 Monster Truck RTR with Battery & Charger, Green, ARA2102T3 - Image 1](https://m.media-amazon.com/images/I/7130uIEdCML.jpg) ![RC Truck 1/18 Granite GROM MEGA 380 Brushed 4X4 Monster Truck RTR with Battery & Charger, Green, ARA2102T3 - Image 2](https://m.media-amazon.com/images/I/51+c3doMqPL.jpg) ![RC Truck 1/18 Granite GROM MEGA 380 Brushed 4X4 Monster Truck RTR with Battery & Charger, Green, ARA2102T3 - Image 3](https://m.media-amazon.com/images/I/71qoJdsTuPL.jpg) ![RC Truck 1/18 Granite GROM MEGA 380 Brushed 4X4 Monster Truck RTR with Battery & Charger, Green, ARA2102T3 - Image 4](https://m.media-amazon.com/images/I/71gVbawT28L.jpg) ![RC Truck 1/18 Granite GROM MEGA 380 Brushed 4X4 Monster Truck RTR with Battery & Charger, Green, ARA2102T3 - Image 5](https://m.media-amazon.com/images/I/715Qf6zRkTL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by S***E on October 3, 2025* ### ⭐⭐⭐⭐⭐ Review *by A***Y on April 8, 2026* ### ⭐⭐⭐⭐⭐ Review *by J***A on March 2, 2026* ## Frequently Bought Together - ARRMA RC Truck 1/18 Granite GROM MEGA 380 Brushed 4X4 Monster Truck RTR with Battery & Charger, Green, ARA2102T3 - Spektrum SMART 1400mAh 2S 7.4V Smart G2 30C LiPo; IC2 Connector, SPMX142S30H2 - ARRMA RC Truck 1/18 Granite GROM MEGA 380 Brushed 4X4 Monster Truck RTR with Battery & Charger, Blue, ARA2102T1 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/614382219-rc-truck-1-18-granite-grom-mega-380-brushed-4x4](https://www.desertcart.us/products/614382219-rc-truck-1-18-granite-grom-mega-380-brushed-4x4) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-20*