{
 "version": "2026-10-20",
 "license": "Dimension sheets: CC BY 4.0. Standard and published-size files: CC BY 4.0. Xem Studio's own designs (files_license = Xem Studio Design License): free to use and sell things from, not to redistribute as files — https://xemstudio.com/license/. Other publishers' files: their own license, linked beside them.",
 "slug": "arrma-granite-grom",
 "name": "ARRMA Granite Grom 4X4 (1/18 monster truck, ARA2102)",
 "kind": "modern",
 "category": "RC cars",
 "group": "Mini & micro vehicles",
 "year": null,
 "question": "What are the dimensions of the ARRMA Granite Grom 4X4?",
 "tags": [
  "rc car",
  "rc truck",
  "radio control",
  "hobby rc",
  "mini & micro vehicles"
 ],
 "aliases": [
  "arrma grom dimensions",
  "granite grom size",
  "grom wheelbase",
  "arrma grom length",
  "ara2102 specs",
  "medidas arrma grom",
  "arrma grom maße",
  "arrma granite grom 4x4 specs",
  "arrma granite grom 4x4 measurements"
 ],
 "overall_mm": {
  "length": 250,
  "width": 200,
  "height": 118
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 1,
 "url": "https://xemstudio.com/objects/arrma-granite-grom/",
 "sheet_txt": "https://xemstudio.com/objects/arrma-granite-grom/sheet.txt",
 "sheet": {
  "basis": "Manufacturer specifications (ARRMA (Horizon Hobby))",
  "overall_mm": {
   "length": 250,
   "width": 200,
   "height": 118
  },
  "notes": [
   "The Granite Grom is ARRMA's 1/18 4WD mini monster truck. The file is its 250 × 200 × 118 mm envelope.",
   "Battery bay, hex and tire sizes are not published.",
   "True size, no printing tolerance added. Only published numbers are used; anything not published is said so."
  ],
  "table": {
   "columns": [
    "dimension",
    "value"
   ],
   "rows": [
    [
     "Length",
     "9.84 in (250 mm)"
    ],
    [
     "Width",
     "7.87 in (200 mm)"
    ],
    [
     "Height",
     "4.65 in (118 mm)"
    ],
    [
     "Wheelbase",
     "6.5 in (165 mm)"
    ],
    [
     "Weight (with battery)",
     "1.77 lb (800 g)"
    ],
    [
     "Motor",
     "380 28T brushed"
    ],
    [
     "ESC",
     "Spektrum SLT 25A 2-in-1"
    ],
    [
     "Servo",
     "Spektrum SX110"
    ],
    [
     "Battery",
     "Spektrum Smart 7.4 V 1400 mAh 2S hard case"
    ]
   ]
  }
 },
 "sheet_text": "ARRMA Granite Grom 4X4 (1/18 monster truck, ARA2102) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/arrma-granite-grom/  (sheet CC BY 4.0)\nBasis: Manufacturer specifications (ARRMA (Horizon Hobby))\nCatalog version: 2026-10-20\n\nOverall (mm): length 250, width 200, height 118\n- The Granite Grom is ARRMA's 1/18 4WD mini monster truck. The file is its 250 × 200 × 118 mm envelope.\n- Battery bay, hex and tire sizes are not published.\n- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.\n\ndimension  value\nLength  9.84 in (250 mm)\nWidth  7.87 in (200 mm)\nHeight  4.65 in (118 mm)\nWheelbase  6.5 in (165 mm)\nWeight (with battery)  1.77 lb (800 g)\nMotor  380 28T brushed\nESC  Spektrum SLT 25A 2-in-1\nServo  Spektrum SX110\nBattery  Spektrum Smart 7.4 V 1400 mAh 2S hard case\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- ARRMA (Horizon Hobby): ARRMA 1/18 Granite Grom 4X4 RTR — web — Publisher's page; dimensions are facts — https://www.arrma-rc.com/en/product/ARA2102.html\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/arrma-granite-grom/index.json\nAPI: https://xemstudio.com/api/geometry?object=arrma-granite-grom\n",
 "sources": [
  {
   "publisher": "ARRMA (Horizon Hobby)",
   "title": "ARRMA 1/18 Granite Grom 4X4 RTR",
   "url": "https://www.arrma-rc.com/en/product/ARA2102.html",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "traxxas-trx-4m-chevrolet-k10",
  "axial-scx24-2021-ford-bronco",
  "axial-utb18-capra",
  "losi-mini-t-2-0-brushless"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no printing tolerance)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no printing tolerance. Where a part meets another part, the object lists its mating features (feature, exact size, what it mates with, fit class: press, slide, run, socket, clamp or designed). Apply your process's allowance to those features only; 'designed' gaps are part of the design and stay as drawn.",
 "mating": [],
 "faq": [
  {
   "q": "How big is the Granite Grom?",
   "a": "250 mm long, 200 mm wide and 118 mm tall on a 165 mm wheelbase."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "arrma-granite-grom-envelope",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/arrma-granite-grom/arrma-granite-grom-envelope.step",
   "stl": "https://xemstudio.com/files/hardware/arrma-granite-grom/arrma-granite-grom-envelope.stl",
   "note": "Envelope 250 × 200 × 118 mm (Ready-to-run truck with body and wheels)"
  }
 ],
 "markdown": "https://xemstudio.com/objects/arrma-granite-grom/index.md"
}