{
 "id": "ac-laifual-fsg-17",
 "name": "Laifual FSG Strain-Wave Reducer, Size 17",
 "subcategory": "strain-wave-reducers",
 "brand": "Laifual",
 "mpn": "FSG-17 (ratio to select; exact code unknown)",
 "summary": "Second-source Chinese cup-type harmonic reducer (FSG high-torque family, sizes 14-50, ratios 50-160) behind Leaderdrive.",
 "maker": {
  "name": "Zhejiang Laifual Drive (浙江来福谐波)",
  "country": "CN",
  "role": "brand"
 },
 "made_in": "unknown",
 "specs": {
  "ratio": {
   "label": "Ratio",
   "value": "50-160:1 family; 100:1 available",
   "num": 100
  },
  "rated_torque_nm": {
   "label": "Rated torque (size 17)",
   "value": "unknown",
   "num": null
  },
  "backlash_arcmin": {
   "label": "Backlash",
   "value": "≤20 arcsec (≈0.33 arcmin)",
   "num": 0.33,
   "unit": "arcmin"
  },
  "od_mm": {
   "label": "Outer diameter",
   "value": "unknown",
   "num": null
  },
  "backlash_arcsec": {
   "label": "Backlash",
   "value": "20 arcsec (≤20 arcsec (≈0.33 arcmin))",
   "num": 20,
   "unit": "arcsec"
  },
  "peak_torque_nm": {
   "label": "Peak torque torque",
   "value": "unknown"
  },
  "hollow_shaft": {
   "label": "Hollow shaft",
   "value": "unknown"
  }
 },
 "price": [],
 "moq": "unknown",
 "lead_time": "unknown",
 "hts": "unknown",
 "compliance": {
  "ndaa": "unknown",
  "blue_uas": "unknown",
  "fcc": "n/a",
  "notes": "Only family-level data published on the page; size-17 torque table needs the datasheet."
 },
 "links": {
  "product": "https://www.laifualdrive.com/product/harmonic-reducer/fs-series-harmonic-reducer/",
  "datasheet": null,
  "cad": null
 },
 "equivalents": [
  "ac-leaderdrive-lcs-17-100",
  "ac-harmonicdrive-csf-17-100-2uh"
 ],
 "pairs_with": [],
 "maglev": {
  "custom": "Listed in Maglev's directory as the main branded second source to Leaderdrive; its market@ mailbox bounced Sep 4 2026 (do-not-contact until re-verified).",
  "directory_ref": null
 },
 "sources": [
  {
   "url": "https://www.laifualdrive.com/product/harmonic-reducer/fs-series-harmonic-reducer/",
   "what": "FS family ranges, backlash, size 17 max input 7,300 rpm"
  }
 ],
 "confidence": "VERIFIED",
 "category": "actuators",
 "subcategory_title": "Strain-Wave (Harmonic) Reducers",
 "icon": "gear",
 "image": {
  "url": "https://parts.trymaglev.com/img/ac-laifual-fsg-17.webp",
  "thumb": "https://parts.trymaglev.com/img/t/ac-laifual-fsg-17.webp",
  "source_image": "https://www.laifualdrive.com/wp-content/uploads/2025/09/7U5A0421.jpg",
  "source_page": "https://www.laifualdrive.com/product/harmonic-reducer/fs-series-harmonic-reducer/",
  "background": "removed (Apple Vision)",
  "as_of": "2026-10-29"
 },
 "origin": {
  "code": "CN",
  "basis": "hq"
 },
 "hts_resolved": {
  "code": "8483.40.50.10",
  "typical": true,
  "key": "harmonic-drives",
  "basis": "subcategory",
  "confidence": "medium",
  "note": "Strain-wave reducer = fixed-ratio speed changer when imported alone."
 },
 "us_duty_by_origin": {
  "as_of": "2026-10-29",
  "rates": [
   {
    "origin": "CN",
    "duty_pct": 40,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "TW",
    "duty_pct": 10,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "VN",
    "duty_pct": 15,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "IN",
    "duty_pct": 12.5,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "JP",
    "duty_pct": 12.5,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "KR",
    "duty_pct": 12.5,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "DE",
    "duty_pct": 10,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "MX",
    "duty_pct": 12.5,
    "possible_pct": 0,
    "usmca": true
   },
   {
    "origin": "US",
    "duty_pct": 0,
    "possible_pct": 0,
    "usmca": false
   }
  ]
 },
 "url": "https://parts.trymaglev.com/p/ac-laifual-fsg-17/",
 "markdown": "https://parts.trymaglev.com/p/ac-laifual-fsg-17/index.md",
 "equivalents_detail": [
  {
   "id": "ac-leaderdrive-lcs-17-100",
   "name": "Leaderdrive LCS-17-100 Cup-Type Strain-Wave Reducer",
   "brand": "Leaderdrive",
   "mpn": "LCS-17-100",
   "category": "actuators",
   "subcategory": "strain-wave-reducers",
   "summary": "Size-17 100:1 cup-type harmonic reducer from China's largest strain-wave maker; dimensionally positioned against Harmonic Drive CSF/CSG.",
   "origin": "CN",
   "origin_basis": "hq",
   "price_usd": null,
   "price_qty": null,
   "ndaa": "unknown",
   "blue_uas": "unknown",
   "image": "https://parts.trymaglev.com/img/ac-leaderdrive-lcs-17-100.webp",
   "url": "https://parts.trymaglev.com/p/ac-leaderdrive-lcs-17-100/",
   "json": "https://parts.trymaglev.com/api/parts/ac-leaderdrive-lcs-17-100.json"
  },
  {
   "id": "ac-harmonicdrive-csf-17-100-2uh",
   "name": "Harmonic Drive CSF-17-100-2UH Strain-Wave Gear Unit",
   "brand": "Harmonic Drive",
   "mpn": "CSF-17-100-2UH",
   "category": "actuators",
   "subcategory": "strain-wave-reducers",
   "summary": "Size-17 100:1 zero-backlash strain-wave gear unit with integrated cross-roller output bearing; the incumbent reference that Chinese harmonic reducers are measured against.",
   "origin": "JP",
   "origin_basis": "hq",
   "price_usd": null,
   "price_qty": null,
   "ndaa": "unknown",
   "blue_uas": "unknown",
   "image": "https://parts.trymaglev.com/img/ac-harmonicdrive-csf-17-100-2uh.webp",
   "url": "https://parts.trymaglev.com/p/ac-harmonicdrive-csf-17-100-2uh/",
   "json": "https://parts.trymaglev.com/api/parts/ac-harmonicdrive-csf-17-100-2uh.json"
  }
 ],
 "pairs_with_detail": []
}