Mongoose Fireball Mountainbike Dirt 26" orange

zweirad-stadler:mongoose-fireball-mountainbike-dirt-26-orange · source URL · confidence 0.63

Eligibility

Cannot win: confidence 0.63 below 0.75

Size decisions

retailer label	alpha	comparable cm	match	mapping	in stock	variant price	evidence
29 cm	—	—	unknown	unsupported	yes	listing price	—

retailer label

alpha

comparable cm

match

mapping

in stock

variant price

evidence

29 cm

—

unknown

unsupported

yes

listing price

—

mapping	unsupported
reason	"29 cm" could not be read as a frame size.

mapping

unsupported

reason

"29 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

field source evidence

brand retailer:zweirad-stadler / parse Mongoose

model retailer:zweirad-stadler / derived Mongoose Fireball Mountainbike Dirt 26" orange

category retailer:zweirad-stadler / parse Mountainbike

frameMaterial retailer:zweirad-stadler / parse Aluminium

speeds retailer:zweirad-stadler / parse 9-Gang

brakes retailer:zweirad-stadler / parse Mechanische Scheibenbremsen

suspension retailer:zweirad-stadler / derived Hardtail

fork retailer:zweirad-stadler / parse RST Dirt-T 26"

beltDrive retailer:zweirad-stadler / parse Kettenschaltung

wheelSize retailer:zweirad-stadler / parse 26

powerMeter retailer:zweirad-stadler / derived absent from a 17-field spec table

availability retailer:zweirad-stadler / derived 1 of 1 sizes orderable

field	source	evidence
brand	`retailer:zweirad-stadler` / parse	Mongoose
model	`retailer:zweirad-stadler` / derived	Mongoose Fireball Mountainbike Dirt 26" orange
category	`retailer:zweirad-stadler` / parse	Mountainbike
frameMaterial	`retailer:zweirad-stadler` / parse	Aluminium
speeds	`retailer:zweirad-stadler` / parse	9-Gang
brakes	`retailer:zweirad-stadler` / parse	Mechanische Scheibenbremsen
suspension	`retailer:zweirad-stadler` / derived	Hardtail
fork	`retailer:zweirad-stadler` / parse	RST Dirt-T 26"
beltDrive	`retailer:zweirad-stadler` / parse	Kettenschaltung
wheelSize	`retailer:zweirad-stadler` / parse	26
powerMeter	`retailer:zweirad-stadler` / derived	absent from a 17-field spec table
availability	`retailer:zweirad-stadler` / derived	1 of 1 sizes orderable

Warnings

info single-size-only — Only one size is in stock (29 cm).
high groupset-unknown — Groupset could not be established.
info wheel-material-unknown — Wheel material could not be established.

Score breakdown

{
  "frameScore": 11,
  "drivetrainScore": 0,
  "wheelScore": 5,
  "extrasScore": -2,
  "suspensionScore": 0,
  "weightAdjustment": 0,
  "equipmentValue": 14,
  "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 \"mechanical-disc\" -2.",
    "Weight not published: no weight adjustment either way.",
    "Fork series not stated: scored at the bottom of the fork ladder rather than assumed."
  ],
  "marketPrice": 510,
  "valueScore": 0.861,
  "savingsVsMarket": -82
}

AI normalization

{
  "requested": [
    "groupsetFamily",
    "wheelMaterial",
    "wheelTier",
    "weightKg"
  ],
  "applied": [],
  "rejected": [
    {
      "field": "mixedGroupset",
      "reason": "evidence not found verbatim in source",
      "value": "true",
      "evidence": "Die Shimano Schaltung ist in diesem Preissegment Standard und macht genau das, was Sie machen soll. Robust schalten und bei 9 Gängen ist für Dirtjumper und Street Rider sicher immer der richtige Gang dabei.\n\nSPECIFICATIONS:\n...\nKurbel: Samox | Aluminium | 36 Zähne"
    }
  ],
  "notes": "groupsetFamily not stated (only 'Shimano Schaltung' mentioned) so cannot map to a family in the vocabulary. mixedGroupset marked true because crank is Samox and cassette is Sunrace while the text names a Shimano drivetrain, indicating multiple brands. wheelMaterial is not specified (Felgen described as 'Double Wall' and brand Xposure, but material not given), so wheelMaterial is null; wheelTier left null because Xposure appears to be a house/unspecified brand. weight not provided.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Material: Aluminium",
      "confidence": 0.95
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Die Shimano Schaltung ist in diesem Preissegment Standard",
      "confidence": 0.92
    },
    "groupsetFamily": {
      "value": null,
      "evidence": null,
      "confidence": 0.75
    },
    "electronicShifting": {
      "value": "false",
      "evidence": "Schaltung: Kettenschaltung",
      "confidence": 0.9
    },
    "speeds": {
      "value": "9",
      "evidence": "Gänge: 9-Gang",
      "confidence": 0.95
    },
    "mixedGroupset": {
      "value": "true",
      "evidence": "Die Shimano Schaltung ist in diesem Preissegment Standard und macht genau das, was Sie machen soll. Robust schalten und bei 9 Gängen ist für Dirtjumper und Street Rider sicher immer der richtige Gang dabei.\n\nSPECIFICATIONS:\n...\nKurbel: Samox | Aluminium | 36 Zähne",
      "confidence": 0.85
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 0.8
    },
    "wheelTier": {
      "value": null,
      "evidence": "Stabile Xposure Dirtjump Laufräder mit 32 Loch Double Wall Felgen",
      "confidence": 0.7
    },
    "brakes": {
      "value": "mechanical-disc",
      "evidence": "Bremsenart: Mechanische Scheibenbremsen",
      "confidence": 0.95
    },
    "weightKg": {
      "value": null,
      "evidence": null,
      "confidence": 0.8
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 0.8
    },
    "notes": "groupsetFamily not stated (only 'Shimano Schaltung' mentioned) so cannot map to a family in the vocabulary. mixedGroupset marked true because crank is Samox and cassette is Sunrace while the text names a Shimano drivetrain, indicating multiple brands. wheelMaterial is not specified (Felgen described as 'Double Wall' and brand Xposure, but material not given), so wheelMaterial is null; wheelTier left null because Xposure appears to be a house/unspecified brand. weight not provided."
  }
}

Normalized record

{
  "id": "zweirad-stadler:mongoose-fireball-mountainbike-dirt-26-orange",
  "retailer": "zweirad-stadler",
  "retailerProductId": "mongoose-fireball-mountainbike-dirt-26-orange",
  "productUrl": "https://shop.zweirad-stadler.de/fahrrad-shop/kinder-jugendraeder/bmx/mongoose-fireball-mountainbike-dirt-26-orange.html",
  "brand": "Mongoose",
  "model": "Fireball Mountainbike Dirt 26\" orange",
  "modelYear": null,
  "category": "mtb",
  "categoryBasis": "stated",
  "sourceCategory": "mtb",
  "price": 592,
  "originalPrice": 879,
  "currency": "EUR",
  "discountPercent": 33,
  "frameMaterial": "aluminium",
  "frameModel": null,
  "frameTier": null,
  "groupsetBrand": null,
  "groupsetFamily": null,
  "groupsetGeneration": null,
  "electronicShifting": null,
  "speeds": 9,
  "mixedGroupset": null,
  "groupsetComponents": null,
  "groupsetTierSpread": 0,
  "crank": "Samox | Aluminium | 36 Zähne",
  "cassette": "Sunrace | 11-36 Zähne | 9-Fach",
  "brakes": "mechanical-disc",
  "brakePistons": null,
  "brakeTier": "unknown",
  "suspension": "front",
  "fork": {
    "make": "RST",
    "line": null,
    "tier": "unknown",
    "travelMm": 100
  },
  "rearShock": null,
  "dropperPost": null,
  "beltDrive": false,
  "hubDynamo": null,
  "rack": null,
  "mudguards": null,
  "chaincase": null,
  "kickstand": null,
  "lighting": null,
  "wheelSize": "26",
  "wheelset": "Double Wall | Xposure 32 Loch | Xposure 32 Loch",
  "wheelMaterial": "unknown",
  "wheelTier": "unknown",
  "tyres": null,
  "weightKg": null,
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "29 cm",
      "size": null,
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "7-14 Werktage"
    }
  ],
  "seller": null,
  "availability": "limited",
  "gtins": [],
  "imageUrl": "https://shop.zweirad-stadler.de/out/pictures/generated/product/1/1500_1500_100/mongoose-26-fireball-dirtbike-orange-96360a.jpg",
  "rawTitle": "Mongoose Fireball Mountainbike Dirt 26\" orange",
  "fetchedAt": "2026-09-19T06:33:41.131Z",
  "normalizationConfidence": 0.63,
  "warnings": [
    {
      "code": "single-size-only",
      "message": "Only one size is in stock (29 cm).",
      "severity": "info"
    },
    {
      "code": "groupset-unknown",
      "message": "Groupset could not be established.",
      "severity": "high"
    },
    {
      "code": "wheel-material-unknown",
      "message": "Wheel material could not be established.",
      "severity": "info"
    }
  ]
}

Parsed specification table

{
  "Material": "Aluminium",
  "Gabel": "RST Dirt-T 26\"",
  "Gänge": "9-Gang",
  "Schaltung": "Kettenschaltung",
  "Bremsen": "Mongoose Mechanisch",
  "Bremsenart": "Mechanische Scheibenbremsen",
  "Kurbel": "Samox | Aluminium | 36 Zähne",
  "Kassette": "Sunrace | 11-36 Zähne | 9-Fach",
  "Lenker": "Xposure | Aluminium | 751 mm | 31,8 mm Lenkerklemmung",
  "Vorbau": "Xposure | 40 mm | 31,8 Lenkerklemmung",
  "Nabe vorne": "Xposure 32 Loch",
  "Nabe hinten": "Xposure 32 Loch",
  "Felgen": "Double Wall",
  "Laufradgröße": "26\"",
  "Farbe": "orange",
  "Rahmenform": "Hardtail",
  "Federweg Gabel": "100 mm"
}

Raw adapter output

{
  "retailer": "zweirad-stadler",
  "retailerProductId": "mongoose-fireball-mountainbike-dirt-26-orange",
  "productUrl": "https://shop.zweirad-stadler.de/fahrrad-shop/kinder-jugendraeder/bmx/mongoose-fireball-mountainbike-dirt-26-orange.html",
  "extractionMethod": "server-html",
  "sourceCategory": "mtb",
  "rawTitle": "Mongoose Fireball Mountainbike Dirt 26\" orange",
  "rawBrand": "Mongoose",
  "price": 592,
  "originalPrice": 879,
  "currency": "EUR",
  "imageUrl": "https://shop.zweirad-stadler.de/out/pictures/generated/product/1/1500_1500_100/mongoose-26-fireball-dirtbike-orange-96360a.jpg",
  "rawSpecifications": {
    "Material": "Aluminium",
    "Gabel": "RST Dirt-T 26\"",
    "Gänge": "9-Gang",
    "Schaltung": "Kettenschaltung",
    "Bremsen": "Mongoose Mechanisch",
    "Bremsenart": "Mechanische Scheibenbremsen",
    "Kurbel": "Samox | Aluminium | 36 Zähne",
    "Kassette": "Sunrace | 11-36 Zähne | 9-Fach",
    "Lenker": "Xposure | Aluminium | 751 mm | 31,8 mm Lenkerklemmung",
    "Vorbau": "Xposure | 40 mm | 31,8 Lenkerklemmung",
    "Nabe vorne": "Xposure 32 Loch",
    "Nabe hinten": "Xposure 32 Loch",
    "Felgen": "Double Wall",
    "Laufradgröße": "26\"",
    "Farbe": "orange",
    "Rahmenform": "Hardtail",
    "Federweg Gabel": "100 mm"
  },
  "rawFeatures": [
    "Kinder- & Jugendräder",
    "0% Finanzierung ab 59,20 € möglich",
    "Dienstrad-Leasing möglich",
    "14 Tage kostenloses Rückgaberecht",
    "Fahrrad vollständig montiert und mit wenigen Handgriffen fahrbereit",
    "Out of the Box and Ready to Jump. Mit dem Mongoose Fireball holst du dir das ultimative Dirtbike ins Haus. Hol dir das Dirtbike mit dem sogar Mongoose Pro Rider Greg Watt's seine Tricks auf die Tables zaubert. Dank einem stabilen Tapered Aluminium Rahmen ist das Fireball dein perfektes Bike für Dirt Jumps oder Big Wheel Street riding. Keine Kompromisse nur der aktuelle Trick zählt.",
    "Tapered T1 Dirtjump Aluminium Rahmen",
    "Stabile RST Dirt-T Dirtjump Federgabel mit 100 Millimeter Federweg",
    "Breiter und stabiler double butted Riserbar mit 31,8 Millimeter Klemmung",
    "Stabile Xposure Dirtjump Laufräder mit 32 Loch Double Wall Felgen",
    "Die Xposure Anbauteile wie Laufräder, Lenker, Vorbau und Sattelstütze sind extra für den Dirtbiker entwickelt und sehr ausgereift und stabil. Da passen auch sehr gut die Kenda Small Block Reifen, die in der Szene bestens bekannt sind und mit zur ersten Wahl zählen. Ideal für Fahrer, die reifen für beide Disziplinen, Dirtpark und Streetriding brauchen.",
    "Die Shimano Schaltung ist in diesem Preissegment Standard und macht genau das, was Sie machen soll. Robust schalten und bei 9 Gängen ist für Dirtjumper und Street Rider sicher immer der richtige Gang dabei."
  ],
  "rawSizes": [
    {
      "rawSize": "29 cm",
      "size": null,
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "7-14 Werktage"
    }
  ],
  "availabilityText": "1 of 1 sizes orderable",
  "fetchedAt": "2026-09-19T06:33:41.131Z",
  "sourceMeta": {
    "savingBadge": "287 € gespartauf UVP",
    "deliveryWindows": [
      "29 cm 7-14 Werktage"
    ]
  }
}

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