{
 "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": "anti-roll-bar",
 "name": "Anti-roll (sway) bar",
 "kind": "standard",
 "category": "Car design",
 "group": "Suspension geometry",
 "year": null,
 "question": "What does a sway bar do on an RC car?",
 "tags": [
  "vehicle design",
  "suspension geometry",
  "rc design",
  "aerodynamics",
  "guide"
 ],
 "aliases": [
  "sway bar",
  "anti roll bar",
  "roll bar rc",
  "swaybar thickness",
  "front sway bar",
  "rear sway bar",
  "anti-roll bar tuning",
  "stabilizer bar"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "not-scanned",
 "les": false,
 "free_files": 0,
 "url": "https://xemstudio.com/objects/anti-roll-bar/",
 "sheet_txt": "https://xemstudio.com/objects/anti-roll-bar/sheet.txt",
 "sheet": {
  "basis": "Design rules and figures from the cited sources; example geometry by Xem Studio",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "An anti-roll bar links left and right wheels so the car rolls less. Stiffening one end reduces that end's grip: a thicker front bar gives less front traction and less off-power steering but quicker response; a thicker rear bar gives less rear traction and more on-power steering (Tekno).",
   "Thicker bars at either end reduce chassis roll (CompetitionX)."
  ],
  "table": {
   "columns": [
    "parameter",
    "value or range",
    "source"
   ],
   "rows": [
    [
     "Thicker front",
     "less front roll and grip, quicker response",
     "Tekno setup guide"
    ],
    [
     "Thicker rear",
     "less rear grip, more on-power steering",
     "Tekno setup guide"
    ]
   ]
  }
 },
 "sheet_text": "Anti-roll (sway) bar — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/anti-roll-bar/  (sheet CC BY 4.0)\nBasis: Design rules and figures from the cited sources; example geometry by Xem Studio\nCatalog version: 2026-10-20\n\nSizes: see table below\n- An anti-roll bar links left and right wheels so the car rolls less. Stiffening one end reduces that end's grip: a thicker front bar gives less front traction and less off-power steering but quicker response; a thicker rear bar gives less rear traction and more on-power steering (Tekno).\n- Thicker bars at either end reduce chassis roll (CompetitionX).\n\nparameter  value or range  source\nThicker front  less front roll and grip, quicker response  Tekno setup guide\nThicker rear  less rear grip, more on-power steering  Tekno setup guide\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Tekno RC: Tekno RC Setup Guide — web — Publisher's page; dimensions are facts — https://teknoforums.com/misc/Tekno-RC-Setup-Guide.pdf\n- CompetitionX: RC Quick Setup Guide — web — Publisher's page; dimensions are facts — https://www.competitionx.com/?p=129\n\nNo true-size file yet: the published figures do not fix the whole shape; a measured scan is planned.\nAPI: https://xemstudio.com/api/geometry?object=anti-roll-bar\n",
 "sources": [
  {
   "publisher": "Tekno RC",
   "title": "Tekno RC Setup Guide",
   "url": "https://teknoforums.com/misc/Tekno-RC-Setup-Guide.pdf",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "CompetitionX",
   "title": "RC Quick Setup Guide",
   "url": "https://www.competitionx.com/?p=129",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "not-scanned",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "camber",
  "caster",
  "kick-up",
  "toe-front",
  "toe-rear",
  "ackermann"
 ],
 "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": "Want more steering?",
   "a": "Thinner front or thicker rear bar (Tekno)."
  }
 ],
 "files_license": null,
 "offers": [],
 "markdown": "https://xemstudio.com/objects/anti-roll-bar/index.md"
}