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Bulls Zarena 1 Damen Mountainbike Hardtail 27,5" weiß

zweirad-stadler:bulls-zarena-1-damen-mountainbike-hardtail-27-5-weiss · source URL · confidence 0.78

Eligibility

Can win a band.

Size decisions

retailer labelalphacomparable cmmatchmappingin stockvariant priceevidence
46 cm46 cmexact scalestated by the retaileryeslisting price46 cm

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 / parseBulls
modelretailer:zweirad-stadler / derivedBulls Zarena 1 Damen Mountainbike Hardtail 27,5" weiß
categoryretailer:zweirad-stadler / parseMountainbike
frameMaterialretailer:zweirad-stadler / parseAluminium
groupsetFamilyretailer:zweirad-stadler / dictionaryShimano Altus | RD-M310 || Shimano Tourney | FD-TY500
electronicShiftingretailer:zweirad-stadler / derivedShimano Altus | RD-M310 || Shimano Tourney | FD-TY500
brakesretailer:zweirad-stadler / parseMechanische Scheibenbremsen
suspensionretailer:zweirad-stadler / derivedHardtail
forkretailer:zweirad-stadler / parseSR Suntour XCE 28
dropperPostretailer:zweirad-stadler / derivedseatpost row "STYX Aluminium" names no dropper, in a 22-field spec table
beltDriveretailer:zweirad-stadler / parseKettenschaltung
wheelSizeretailer:zweirad-stadler / parse27.5
powerMeterretailer:zweirad-stadler / derivedabsent from a 22-field spec table
availabilityretailer:zweirad-stadler / derived1 of 1 sizes orderable

Warnings

Score breakdown

{
  "frameScore": 11,
  "drivetrainScore": 3,
  "wheelScore": 5,
  "extrasScore": -2,
  "suspensionScore": 0,
  "weightAdjustment": 0,
  "equipmentValue": 17,
  "notes": [
    "Shimano Tourney = 3.",
    "Mixed groupset, but no crank or cassette below the family it is ranked as: no penalty.",
    "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": 556,
  "valueScore": 0.939,
  "savingsVsMarket": -36
}

AI normalization

{
  "requested": [
    "wheelMaterial",
    "wheelTier",
    "weightKg"
  ],
  "applied": [],
  "rejected": [],
  "notes": "Wheel material is not stated; rims listed as 'Felgen: STYX DDM-2' (house-brand) so wheelTier cannot be determined from vocabulary. No complete-bike weight or power meter is given in the source.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Material: Aluminium",
      "confidence": 0.95
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Schaltwerk: Shimano Altus | RD-M310",
      "confidence": 0.95
    },
    "groupsetFamily": {
      "value": "Altus",
      "evidence": "Schaltwerk: Shimano Altus | RD-M310",
      "confidence": 0.9
    },
    "electronicShifting": {
      "value": "false",
      "evidence": "Schaltung: Kettenschaltung",
      "confidence": 0.9
    },
    "speeds": {
      "value": "24",
      "evidence": "24-Gang",
      "confidence": 0.95
    },
    "mixedGroupset": {
      "value": "true",
      "evidence": "Schaltwerk: Shimano Altus | RD-M310\nUmwerfer: Shimano Tourney | FD-TY500",
      "confidence": 0.9
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "wheelTier": {
      "value": null,
      "evidence": "Felgen: STYX DDM-2",
      "confidence": 0.15
    },
    "brakes": {
      "value": "mechanical-disc",
      "evidence": "Bremsenart: Mechanische Scheibenbremsen",
      "confidence": 0.95
    },
    "weightKg": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "notes": "Wheel material is not stated; rims listed as 'Felgen: STYX DDM-2' (house-brand) so wheelTier cannot be determined from vocabulary. No complete-bike weight or power meter is given in the source."
  }
}

Normalized record

{
  "id": "zweirad-stadler:bulls-zarena-1-damen-mountainbike-hardtail-27-5-weiss",
  "retailer": "zweirad-stadler",
  "retailerProductId": "bulls-zarena-1-damen-mountainbike-hardtail-27-5-weiss",
  "productUrl": "https://shop.zweirad-stadler.de/fahrrad-shop/mountainbikes/hardtail/hardtail-27-5/bulls-zarena-1-damen-mountainbike-hardtail-27-5-weiss.html",
  "brand": "Bulls",
  "model": "Zarena 1 Mountainbike Hardtail 27,5\" weiß",
  "modelYear": null,
  "category": "mtb",
  "categoryBasis": "stated",
  "sourceCategory": "mtb",
  "price": 592,
  "originalPrice": 749,
  "currency": "EUR",
  "discountPercent": 21,
  "frameMaterial": "aluminium",
  "frameModel": null,
  "frameTier": null,
  "groupsetBrand": "Shimano",
  "groupsetFamily": "Tourney",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": null,
  "mixedGroupset": true,
  "groupsetComponents": {
    "rearDerailleur": "Altus",
    "frontDerailleur": "Tourney",
    "crank": "Tourney"
  },
  "groupsetTierSpread": 0,
  "crank": "Shimano Tourney | FC-TY301",
  "cassette": null,
  "brakes": "mechanical-disc",
  "brakePistons": null,
  "brakeTier": "unknown",
  "suspension": "front",
  "fork": {
    "make": "SR Suntour",
    "line": "XCE",
    "tier": "unknown",
    "travelMm": 100
  },
  "rearShock": null,
  "dropperPost": false,
  "beltDrive": false,
  "hubDynamo": null,
  "rack": null,
  "mudguards": null,
  "chaincase": null,
  "kickstand": null,
  "lighting": null,
  "wheelSize": "27.5",
  "wheelset": "STYX DDM-2",
  "wheelMaterial": "unknown",
  "wheelTier": "unknown",
  "tyres": "Ace of Pace",
  "weightKg": null,
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "46 cm",
      "size": "46",
      "sizeCm": 46,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "4-8 Werktage"
    }
  ],
  "seller": null,
  "availability": "limited",
  "gtins": [],
  "imageUrl": "https://shop.zweirad-stadler.de/out/pictures/generated/product/1/1500_1500_100/bulls-zarena1damen-mountainbike-hardtail-weiss-2022-97610a.jpg",
  "rawTitle": "Bulls Zarena 1 Damen Mountainbike Hardtail 27,5\" weiß",
  "fetchedAt": "2026-09-19T06:33:38.857Z",
  "normalizationConfidence": 0.78,
  "warnings": [
    {
      "code": "single-size-only",
      "message": "Only one size is in stock (46 cm).",
      "severity": "info"
    },
    {
      "code": "wheel-material-unknown",
      "message": "Wheel material could not be established.",
      "severity": "info"
    },
    {
      "code": "mixed-groupset",
      "message": "Not a uniform groupset: {\"rearDerailleur\":\"Altus\",\"frontDerailleur\":\"Tourney\",\"crank\":\"Tourney\"}. Ranked on the shifting level, with a penalty.",
      "severity": "info"
    }
  ]
}

Parsed specification table

{
  "Material": "Aluminium",
  "Rahmenform": "Hardtail",
  "Gabel": "SR Suntour XCE 28",
  "Gänge": "24-Gang",
  "Schaltung": "Kettenschaltung",
  "Schaltwerk": "Shimano Altus | RD-M310",
  "Umwerfer": "Shimano Tourney | FD-TY500",
  "Schalthebel": "Shimano | ST-EF500",
  "Bremshebel": "Tektro",
  "Bremsen": "Tektro MD-M280",
  "Bremsenart": "Mechanische Scheibenbremsen",
  "Kurbel": "Shimano Tourney | FC-TY301",
  "Lenker": "STYX riserbar MTB Lenker",
  "Vorbau": "STYX",
  "Pedale": "Bulls MTB",
  "Sattelstütze": "STYX Aluminium",
  "Sattel": "Bulls Sportive Comfort",
  "Felgen": "STYX DDM-2",
  "Reifen": "Ace of Pace",
  "Laufradgröße": "27,5\"",
  "Farbe": "weiß",
  "Federweg Gabel": "100 mm"
}

Raw adapter output

{
  "retailer": "zweirad-stadler",
  "retailerProductId": "bulls-zarena-1-damen-mountainbike-hardtail-27-5-weiss",
  "productUrl": "https://shop.zweirad-stadler.de/fahrrad-shop/mountainbikes/hardtail/hardtail-27-5/bulls-zarena-1-damen-mountainbike-hardtail-27-5-weiss.html",
  "extractionMethod": "server-html",
  "sourceCategory": "mtb",
  "rawTitle": "Bulls Zarena 1 Damen Mountainbike Hardtail 27,5\" weiß",
  "rawBrand": "Bulls",
  "price": 592,
  "originalPrice": 749,
  "currency": "EUR",
  "imageUrl": "https://shop.zweirad-stadler.de/out/pictures/generated/product/1/1500_1500_100/bulls-zarena1damen-mountainbike-hardtail-weiss-2022-97610a.jpg",
  "rawSpecifications": {
    "Material": "Aluminium",
    "Rahmenform": "Hardtail",
    "Gabel": "SR Suntour XCE 28",
    "Gänge": "24-Gang",
    "Schaltung": "Kettenschaltung",
    "Schaltwerk": "Shimano Altus | RD-M310",
    "Umwerfer": "Shimano Tourney | FD-TY500",
    "Schalthebel": "Shimano | ST-EF500",
    "Bremshebel": "Tektro",
    "Bremsen": "Tektro MD-M280",
    "Bremsenart": "Mechanische Scheibenbremsen",
    "Kurbel": "Shimano Tourney | FC-TY301",
    "Lenker": "STYX riserbar MTB Lenker",
    "Vorbau": "STYX",
    "Pedale": "Bulls MTB",
    "Sattelstütze": "STYX Aluminium",
    "Sattel": "Bulls Sportive Comfort",
    "Felgen": "STYX DDM-2",
    "Reifen": "Ace of Pace",
    "Laufradgröße": "27,5\"",
    "Farbe": "weiß",
    "Federweg Gabel": "100 mm"
  },
  "rawFeatures": [
    "0% Finanzierung ab 59,20 € möglich",
    "Dienstrad-Leasing möglich",
    "14 Tage kostenloses Rückgaberecht",
    "Fahrrad vollständig montiert und mit wenigen Handgriffen fahrbereit",
    "Egal ob es die gemütliche Feierabendrunde durch die Stadt, oder der unbefestigte Weg fernab des Asphalts sein soll, mit dem Zarena 1 von Bulls ist man für alles gewappnet. Das Damen Mountainbike mit 27,5\" Bereifung wurde speziell auf die weibliche Anatomie angepasst und verspricht eine optimale Sitzhaltung bei idealer Kraftübertragung.",
    "Zuverlässige Shimano Kettenschaltung",
    "Mechanische Tektro Scheibenbremsen",
    "SR Suntour XCE Federgabel",
    "Leichter Aluminium Rahmen",
    "Aufgrund von Engpässen und Verzögerungen in den weltweiten Lieferketten kann es vorkommen, dass der Hersteller vereinzelt Komponenten der Originalspezifikationen durch mindestens gleichwertige oder sogar höherwertige Bauteile ersetzt hat. Das gelieferte Fahrrad kann in Einzelfällen von den Abbildungen abweichen."
  ],
  "rawSizes": [
    {
      "rawSize": "46 cm",
      "size": "46",
      "sizeCm": 46,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "4-8 Werktage"
    }
  ],
  "availabilityText": "1 of 1 sizes orderable",
  "fetchedAt": "2026-09-19T06:33:38.857Z",
  "sourceMeta": {
    "savingBadge": "157 € gespartauf UVP",
    "deliveryWindows": [
      "46 cm 4-8 Werktage"
    ]
  }
}

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