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Brompton Electric G-Line G4 E-Bike Faltrad 20" grün

zweirad-stadler:brompton-electric-g-line-g4-e-bike-faltrad-20-gruen-kaufen · source URL · confidence 0.58

Eligibility

Cannot win: probably-a-frameset; confidence 0.58 below 0.75; e-bike bikes are not value-ranked yet (no e-bike-specific equipment model)

Size decisions

retailer labelalphacomparable cmmatchmappingin stockvariant priceevidence
M | 168 - 183 cm——unknownunsupportedyeslisting price—
L | 183 - 198 cm——unknownunsupportedyeslisting price—
mappingunsupported
reason"M | 168 - 183 cm" could not be read as a frame size.

A shopper asking for: 54 → nothing compatible · 56 → nothing compatible · 58 → nothing compatible · 60 → nothing compatible

Identity

Only listing of this configuration — nothing to merge.

Provenance — why we believe each fact

fieldsourceevidence
brandretailer:zweirad-stadler / parseBrompton
modelretailer:zweirad-stadler / derivedBrompton Electric G-Line G4 E-Bike Faltrad 20" grün
categoryretailer:zweirad-stadler / parseE-Bike
frameMaterialretailer:zweirad-stadler / parseStahl
brakesretailer:zweirad-stadler / parseHydraulische Scheibenbremsen
suspensionretailer:zweirad-stadler / derivedno suspension fork and no rear shock on a drop-bar listing
forkretailer:zweirad-stadler / dictionaryAluminium
dropperPostretailer:zweirad-stadler / derivedTeleskop
rackretailer:zweirad-stadler / parseJa
mudguardsretailer:zweirad-stadler / parseJa
lightingretailer:zweirad-stadler / parseLezyne E115, 115 Lux/310 Lumen
wheelSizeretailer:zweirad-stadler / parse20
weightKgretailer:zweirad-stadler / parseGewicht: ca. 19,5 kg
powerMeterretailer:zweirad-stadler / derivedabsent from a 31-field spec table
availabilityretailer:zweirad-stadler / derived2 of 2 sizes orderable
ebike.motorretailer:zweirad-stadler / parseBrompton
ebike.motor.torqueNmretailer:zweirad-stadler / parse30 Nm
ebike.battery.capacityWhretailer:zweirad-stadler / parse345 Wh
ebike.eDisciplineretailer:zweirad-stadler / parseshelf: E-Klapprad / -Faltrad
ebike.maxSystemWeightKgretailer:zweirad-stadler / parsezul. Gesamtgewicht: max. 130 kg

Warnings

Score breakdown

{
  "frameScore": 13,
  "drivetrainScore": 0,
  "wheelScore": 5,
  "extrasScore": 3,
  "suspensionScore": 2,
  "weightAdjustment": -3,
  "equipmentValue": 20,
  "notes": [
    "Groupset not identified: 0 drivetrain points.",
    "Wheels unknown: scored level with basic aluminium, which is neither a reward for omitting the wheelset nor a penalty for naming a cheap one.",
    "Brakes \"hydraulic-disc\" = 0, the baseline for mtb-hardtail.",
    "19.5 kg vs 14.4 kg mtb-hardtail reference = -3.",
    "Fork \"rigid\" +2 (0 mm travel, which is not scored).",
    "Dropper post +3."
  ],
  "marketPrice": null,
  "valueScore": null,
  "savingsVsMarket": null
}

AI normalization

{
  "requested": [
    "groupsetFamily",
    "wheelMaterial",
    "wheelTier"
  ],
  "applied": [],
  "rejected": [],
  "notes": "The source specifies a 4-speed chain drivetrain but does not name a groupset brand or family. It does not establish wheel material or a recognizable wheelset model, so wheel tier cannot be determined.",
  "raw": {
    "frameMaterial": {
      "value": "steel",
      "evidence": "Material: Stahl",
      "confidence": 1
    },
    "groupsetBrand": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "groupsetFamily": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "electronicShifting": {
      "value": "false",
      "evidence": "4-Gang-Kettenschaltung",
      "confidence": 0.85
    },
    "speeds": {
      "value": "4",
      "evidence": "Gänge: 4-Gang",
      "confidence": 1
    },
    "mixedGroupset": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "brakes": {
      "value": "hydraulic-disc",
      "evidence": "Hydraulische Tektro-Scheibenbremsen",
      "confidence": 1
    },
    "weightKg": {
      "value": "19.5",
      "evidence": "Gewicht: ca. 19,5 kg",
      "confidence": 1
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "notes": "The source specifies a 4-speed chain drivetrain but does not name a groupset brand or family. It does not establish wheel material or a recognizable wheelset model, so wheel tier cannot be determined."
  }
}

Normalized record

{
  "id": "zweirad-stadler:brompton-electric-g-line-g4-e-bike-faltrad-20-gruen-kaufen",
  "retailer": "zweirad-stadler",
  "retailerProductId": "brompton-electric-g-line-g4-e-bike-faltrad-20-gruen-kaufen",
  "productUrl": "https://shop.zweirad-stadler.de/fahrrad-shop/e-bikes/e-klapprad-faltrad/brompton-electric-g-line-g4-e-bike-faltrad-20-gruen-kaufen.html",
  "brand": "Brompton",
  "model": "Electric G-Line G4 E-Bike Faltrad 20\" grün",
  "modelYear": null,
  "category": "e-bike",
  "categoryBasis": "stated",
  "sourceCategory": "e-bike",
  "price": 4249,
  "originalPrice": null,
  "currency": "EUR",
  "discountPercent": null,
  "frameMaterial": "steel",
  "frameModel": null,
  "frameTier": null,
  "groupsetBrand": null,
  "groupsetFamily": null,
  "groupsetGeneration": null,
  "electronicShifting": null,
  "speeds": null,
  "mixedGroupset": null,
  "groupsetComponents": null,
  "groupsetTierSpread": 0,
  "crank": null,
  "cassette": null,
  "brakes": "hydraulic-disc",
  "brakePistons": null,
  "brakeTier": "unknown",
  "suspension": "none",
  "fork": {
    "make": null,
    "line": null,
    "tier": "rigid",
    "travelMm": 0
  },
  "rearShock": null,
  "dropperPost": true,
  "beltDrive": null,
  "hubDynamo": null,
  "rack": true,
  "mudguards": true,
  "chaincase": null,
  "kickstand": null,
  "lighting": true,
  "wheelSize": "other",
  "wheelset": null,
  "wheelMaterial": "unknown",
  "wheelTier": "unknown",
  "tyres": "Schwalbe G-One All Round Tan Wall",
  "weightKg": 19.5,
  "ebike": {
    "motor": {
      "text": "Brompton",
      "brand": null,
      "model": null,
      "position": "unknown",
      "torqueNm": 30,
      "torqueSource": "retailer",
      "ratedPowerW": null,
      "peakPowerW": null
    },
    "battery": {
      "text": "mit LED Display",
      "capacityWh": 345,
      "count": 1,
      "integration": "unknown",
      "removable": null
    },
    "speedClass": "unknown",
    "rangeExtender": "unknown",
    "display": null,
    "abs": null,
    "autoShift": null,
    "statedRangeKm": null,
    "eDiscipline": "e-folding",
    "eDisciplineBasis": "leaf",
    "frameShape": "unknown",
    "cargoType": "unknown",
    "maxSystemWeightKg": 130,
    "rackCapacityKg": null,
    "weightIncludesBattery": null
  },
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "M | 168 - 183 cm",
      "size": null,
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "4-8 Werktage"
    },
    {
      "rawSize": "L | 183 - 198 cm",
      "size": null,
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "4-8 Werktage"
    }
  ],
  "seller": null,
  "availability": "in-stock",
  "gtins": [],
  "imageUrl": "https://shop.zweirad-stadler.de/out/pictures/generated/product/1/1500_1500_100/brompton-g-line-g8m-e-bike-faltrad-gruen-700173-a.jpg",
  "rawTitle": "Brompton Electric G-Line G4 E-Bike Faltrad 20\" grün",
  "fetchedAt": "2026-09-26T08:25:48.297Z",
  "normalizationConfidence": 0.58,
  "warnings": [
    {
      "code": "probably-a-frameset",
      "message": "Spec table lists neither a drivetrain nor wheels: likely a frameset.",
      "severity": "blocking"
    },
    {
      "code": "incomplete-build",
      "message": "Detailed spec table with no drivetrain component listed.",
      "severity": "high"
    },
    {
      "code": "groupset-unknown",
      "message": "Groupset could not be established.",
      "severity": "high"
    },
    {
      "code": "wheel-material-unknown",
      "message": "Wheel material could not be established.",
      "severity": "info"
    }
  ],
  "ebikeAi": {
    "requested": [
      "motorBrand",
      "motorModel",
      "speedClass",
      "batteryIntegration",
      "frameShape"
    ],
    "applied": [],
    "rejected": [],
    "notes": "The source names Brompton as the motor manufacturer and identifies a Brompton eMotiq rear hub motor, but Brompton is not an allowed motorBrand and no matching motorModel is provided. Speed class, battery integration, and frame shape are not established.",
    "raw": {
      "motorBrand": {
        "value": null,
        "evidence": null,
        "confidence": 0
      },
      "motorModel": {
        "value": null,
        "evidence": null,
        "confidence": 0
      },
      "batteryWh": {
        "value": "345",
        "evidence": "345 Wh Lithium-Ionen-Akku, Reichweite bis zu 90 km (je nach Modus und Terrain)",
        "confidence": 1
      },
      "speedClass": {
        "value": null,
        "evidence": null,
        "confidence": 0
      },
      "batteryIntegration": {
        "value": null,
        "evidence": null,
        "confidence": 0
      },
      "frameShape": {
        "value": null,
        "evidence": null,
        "confidence": 0
      },
      "notes": "The source names Brompton as the motor manufacturer and identifies a Brompton eMotiq rear hub motor, but Brompton is not an allowed motorBrand and no matching motorModel is provided. Speed class, battery integration, and frame shape are not established."
    }
  }
}

Parsed specification table

{
  "Material": "Stahl",
  "Farbe": "grün",
  "Herstellerfarbe": "forrest green",
  "Motorart": "Heckantrieb",
  "Motorhersteller": "Brompton",
  "Max. Drehmoment": "30 Nm",
  "Akku": "mit LED Display",
  "Kapazität": "345 Wh",
  "Ladegerät": "2 A",
  "Gabel": "Aluminium",
  "Gänge": "4-Gang",
  "Bremsenart": "Hydraulische Scheibenbremsen",
  "Bremsen vorne": "Tektro",
  "Bremsen hinten": "Tektro",
  "Bremsscheiben": "140 mm / 160 mm",
  "Laufradgröße": "20\"",
  "Reifen": "Schwalbe G-One All Round Tan Wall",
  "Reifengröße": "54-406",
  "Sattel": "Standard",
  "Sattelstütze": "M (Extended Black); L (Teleskop Black)",
  "Pedale": "Breite Plattformpedale mit Schnellösesystem",
  "Griffe": "Ergonomisch",
  "Steuersatz": "Brompton",
  "Scheinwerfer": "Lezyne E115, 115 Lux/310 Lumen",
  "Rücklicht": "Busch + Müller Toplight 2C",
  "Schutzbleche": "Ja",
  "Gepäckträger": "Ja",
  "Sonstiges": "Akkutasche, Klingel",
  "Faltmaß": "72 cm x 67 cm x 41 cm",
  "Gewicht": "ca. 19,5 kg",
  "zul. Gesamtgewicht": "max. 130 kg"
}

Raw adapter output

{
  "retailer": "zweirad-stadler",
  "retailerProductId": "brompton-electric-g-line-g4-e-bike-faltrad-20-gruen-kaufen",
  "productUrl": "https://shop.zweirad-stadler.de/fahrrad-shop/e-bikes/e-klapprad-faltrad/brompton-electric-g-line-g4-e-bike-faltrad-20-gruen-kaufen.html",
  "extractionMethod": "server-html",
  "sourceCategory": "e-bike",
  "rawTitle": "Brompton Electric G-Line G4 E-Bike Faltrad 20\" grün",
  "rawBrand": "Brompton",
  "price": 4249,
  "originalPrice": null,
  "currency": "EUR",
  "imageUrl": "https://shop.zweirad-stadler.de/out/pictures/generated/product/1/1500_1500_100/brompton-g-line-g8m-e-bike-faltrad-gruen-700173-a.jpg",
  "rawSpecifications": {
    "Material": "Stahl",
    "Farbe": "grün",
    "Herstellerfarbe": "forrest green",
    "Motorart": "Heckantrieb",
    "Motorhersteller": "Brompton",
    "Max. Drehmoment": "30 Nm",
    "Akku": "mit LED Display",
    "Kapazität": "345 Wh",
    "Ladegerät": "2 A",
    "Gabel": "Aluminium",
    "Gänge": "4-Gang",
    "Bremsenart": "Hydraulische Scheibenbremsen",
    "Bremsen vorne": "Tektro",
    "Bremsen hinten": "Tektro",
    "Bremsscheiben": "140 mm / 160 mm",
    "Laufradgröße": "20\"",
    "Reifen": "Schwalbe G-One All Round Tan Wall",
    "Reifengröße": "54-406",
    "Sattel": "Standard",
    "Sattelstütze": "M (Extended Black); L (Teleskop Black)",
    "Pedale": "Breite Plattformpedale mit Schnellösesystem",
    "Griffe": "Ergonomisch",
    "Steuersatz": "Brompton",
    "Scheinwerfer": "Lezyne E115, 115 Lux/310 Lumen",
    "Rücklicht": "Busch + Müller Toplight 2C",
    "Schutzbleche": "Ja",
    "Gepäckträger": "Ja",
    "Sonstiges": "Akkutasche, Klingel",
    "Faltmaß": "72 cm x 67 cm x 41 cm",
    "Gewicht": "ca. 19,5 kg",
    "zul. Gesamtgewicht": "max. 130 kg"
  },
  "rawFeatures": [
    "E-Klapprad / -Faltrad",
    "M | 168 - 183 cm 4-8 Werktage",
    "L | 183 - 198 cm 4-8 Werktage",
    "0% Finanzierung ab 424,90 € möglich",
    "Dienstrad-Leasing möglich",
    "14 Tage kostenloses Rückgaberecht",
    "Unsere E-Bikes werden alle vor der Auslieferung fachmännisch montiert und von unseren Werkstatt-Profis Probe gefahren",
    "Eines für alles: Erlebe mit dem Brompton G Line das erste Faltrad, das sich wie ein „Großes“ fährt. Ob täglicher Arbeitsweg, Hop-on-Hop-off im Zug oder Wochenend-Abenteuer im Grünen – das Brompton G-Line E-Faltrad ist dein ultimativer Begleiter für maximale Freiheit.",
    "Brompton eMotiq Hinterrad-Nabenmotor 30 Nm",
    "345 Wh Lithium-Ionen-Akku, Reichweite bis zu 90 km (je nach Modus und Terrain)",
    "4-Gang-Kettenschaltung",
    "Hydraulische Tektro-Scheibenbremsen"
  ],
  "rawSizes": [
    {
      "rawSize": "M | 168 - 183 cm",
      "size": null,
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "4-8 Werktage"
    },
    {
      "rawSize": "L | 183 - 198 cm",
      "size": null,
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "4-8 Werktage"
    }
  ],
  "availabilityText": "2 of 2 sizes orderable",
  "fetchedAt": "2026-09-26T08:25:48.297Z",
  "sourceMeta": {
    "savingBadge": null,
    "deliveryWindows": [
      "M | 168 - 183 cm 4-8 Werktage",
      "L | 183 - 198 cm 4-8 Werktage"
    ]
  },
  "listingPath": [
    "E-Bikes",
    "E-Klapprad / -Faltrad"
  ]
}

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