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Bulls Daily Grinder 2 Gravel Bike 28" grau

zweirad-stadler:bulls-daily-grinder-2-gravel-bike-herren-28-grau-kaufen · source URL · confidence 0.83

Eligibility

Can win a band.

Size decisions

retailer labelalphacomparable cmmatchmappingin stockvariant priceevidence
47 cm47 cmexact scalestated by the retaileryeslisting price47 cm
51 cm51 cmexact scalestated by the retaileryeslisting price51 cm
55 cm55 cmexact scalestated by the retaileryeslisting price55 cm

A shopper asking for: 54 → 55 cm in stock · 56 → 55 cm in stock · 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 Daily Grinder 2 Gravel Bike 28" grau
categoryretailer:zweirad-stadler / parseGrinder
frameMaterialretailer:zweirad-stadler / parseAluminium
groupsetFamilyretailer:zweirad-stadler / dictionaryShimano GRX ST-RXC400 || Shimano GRX RD-RX400 || Shimano GRX FD-RX400
electronicShiftingretailer:zweirad-stadler / derivedShimano GRX ST-RXC400 || Shimano GRX RD-RX400 || Shimano GRX FD-RX400
speedsretailer:zweirad-stadler / parsemodel code RX400
brakesretailer:zweirad-stadler / parseHydraulische Scheibenbremsen
suspensionretailer:zweirad-stadler / derivedno suspension fork and no rear shock on a drop-bar listing
forkretailer:zweirad-stadler / dictionaryGrinder Alu
dropperPostretailer:zweirad-stadler / derivedseatpost row "Bulls Aluminium 27,2 mm" names no dropper, in a 31-field spec table
beltDriveretailer:zweirad-stadler / parseCN-HG5
hubDynamoretailer:zweirad-stadler / parseShutter Precision PL-8QR CL | Formula RXC-135S-QR | Bulls XC
rackretailer:zweirad-stadler / parseBulls Urban/Gravel
mudguardsretailer:zweirad-stadler / parseAluminium
lightingretailer:zweirad-stadler / parseFuxon FS-70, 70 Lux
wheelSizeretailer:zweirad-stadler / parse28
powerMeterretailer:zweirad-stadler / derivedabsent from a 31-field spec table
availabilityretailer:zweirad-stadler / derived3 of 3 sizes orderable

Warnings

Score breakdown

{
  "frameScore": 11,
  "drivetrainScore": 18,
  "wheelScore": 5,
  "extrasScore": 0,
  "suspensionScore": 0,
  "weightAdjustment": 0,
  "equipmentValue": 34,
  "notes": [
    "Shimano GRX = 20.",
    "10-speed -2.",
    "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 gravel.",
    "Weight not published: no weight adjustment either way."
  ],
  "marketPrice": 1593,
  "valueScore": 1.068,
  "savingsVsMarket": 101
}

AI normalization

{
  "requested": [
    "wheelMaterial",
    "wheelTier",
    "weightKg"
  ],
  "applied": [],
  "rejected": [],
  "notes": "The source lists '20-Gang' but does not state rear sprocket count explicitly, so 'speeds' is null. Wheel rim model is 'Felgen: Bulls XC-21 Evo tubeless ready' but rim material is not stated and the wheelset is a house model (unrecognised), so wheelMaterial and wheelTier are null. 'zul. Gesamtgewicht: max. 125 kg' is a maximum load, not the bike's weight, so weightKg is null.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Material: Aluminium",
      "confidence": 0.9
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Schaltwerk: Shimano GRX RD-RX400",
      "confidence": 0.9
    },
    "groupsetFamily": {
      "value": "GRX",
      "evidence": "Schaltwerk: Shimano GRX RD-RX400",
      "confidence": 0.9
    },
    "electronicShifting": {
      "value": "false",
      "evidence": "Schaltung: Kettenschaltung",
      "confidence": 0.9
    },
    "speeds": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "mixedGroupset": {
      "value": "true",
      "evidence": "Schaltwerk: Shimano GRX RD-RX400\nUmwerfer: Shimano GRX FD-RX400\nSchalthebel: Shimano GRX ST-RXC400\nBremsenart: Hydraulische Scheibenbremsen\nBremsen: Shimano BR RX400\nBremsscheiben: 160 mm /160 mm\nKurbel: Prowheel 46/30T",
      "confidence": 0.8
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "brakes": {
      "value": "hydraulic-disc",
      "evidence": "Bremsenart: Hydraulische Scheibenbremsen",
      "confidence": 0.9
    },
    "weightKg": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "notes": "The source lists '20-Gang' but does not state rear sprocket count explicitly, so 'speeds' is null. Wheel rim model is 'Felgen: Bulls XC-21 Evo tubeless ready' but rim material is not stated and the wheelset is a house model (unrecognised), so wheelMaterial and wheelTier are null. 'zul. Gesamtgewicht: max. 125 kg' is a maximum load, not the bike's weight, so weightKg is null."
  }
}

Normalized record

{
  "id": "zweirad-stadler:bulls-daily-grinder-2-gravel-bike-herren-28-grau-kaufen",
  "retailer": "zweirad-stadler",
  "retailerProductId": "bulls-daily-grinder-2-gravel-bike-herren-28-grau-kaufen",
  "productUrl": "https://shop.zweirad-stadler.de/fahrrad-shop/rennraeder/gravel-bike/bulls-daily-grinder-2-gravel-bike-herren-28-grau-kaufen.html",
  "brand": "Bulls",
  "model": "Daily Grinder 2 Gravel Bike 28\" grau",
  "modelYear": null,
  "category": "gravel",
  "categoryBasis": "stated",
  "sourceCategory": "gravel",
  "price": 1492,
  "originalPrice": 1999,
  "currency": "EUR",
  "discountPercent": 25,
  "frameMaterial": "aluminium",
  "frameModel": null,
  "frameTier": null,
  "groupsetBrand": "Shimano",
  "groupsetFamily": "GRX",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": 10,
  "mixedGroupset": false,
  "groupsetComponents": {
    "shifters": "GRX",
    "rearDerailleur": "GRX",
    "frontDerailleur": "GRX"
  },
  "groupsetTierSpread": 0,
  "crank": "Prowheel 46/30T",
  "cassette": "Shimano CS-HG50 11-36 T",
  "brakes": "hydraulic-disc",
  "brakePistons": null,
  "brakeTier": "unknown",
  "suspension": "none",
  "fork": {
    "make": null,
    "line": null,
    "tier": "rigid",
    "travelMm": 0
  },
  "rearShock": null,
  "dropperPost": false,
  "beltDrive": false,
  "hubDynamo": true,
  "rack": true,
  "mudguards": true,
  "chaincase": null,
  "kickstand": null,
  "lighting": true,
  "wheelSize": "28",
  "wheelset": "Bulls XC-21 Evo tubeless ready | Shutter Precision PL-8QR CL | Formula RXC-135S-QR",
  "wheelMaterial": "unknown",
  "wheelTier": "unknown",
  "tyres": "Schwalbe G-One Allround Performance RaceGuard TLE",
  "weightKg": null,
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "47 cm",
      "size": "47",
      "sizeCm": 47,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "7-14 Werktage"
    },
    {
      "rawSize": "51 cm",
      "size": "51",
      "sizeCm": 51,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "4-8 Werktage"
    },
    {
      "rawSize": "55 cm",
      "size": "55",
      "sizeCm": 55,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "7-14 Werktage"
    }
  ],
  "seller": null,
  "availability": "in-stock",
  "gtins": [],
  "imageUrl": "https://shop.zweirad-stadler.de/out/pictures/generated/product/1/1500_1500_100/bulls-daily-grinder-2-gravelbike-grau-126261-a.jpg",
  "rawTitle": "Bulls Daily Grinder 2 Gravel Bike 28\" grau",
  "fetchedAt": "2026-09-19T06:32:01.712Z",
  "normalizationConfidence": 0.83,
  "warnings": [
    {
      "code": "wheel-material-unknown",
      "message": "Wheel material could not be established.",
      "severity": "info"
    }
  ]
}

Parsed specification table

{
  "Material": "Aluminium",
  "Farbe": "grau",
  "Gabel": "Grinder Alu",
  "Steuersatz": "FSA ORBIT C40ACB (No. 42/ACB)",
  "Schaltung": "Kettenschaltung",
  "Gänge": "20-Gang",
  "Schaltwerk": "Shimano GRX RD-RX400",
  "Umwerfer": "Shimano GRX FD-RX400",
  "Schalthebel": "Shimano GRX ST-RXC400",
  "Bremsenart": "Hydraulische Scheibenbremsen",
  "Bremsen": "Shimano BR RX400",
  "Bremsscheiben": "160 mm /160 mm",
  "Kurbel": "Prowheel 46/30T",
  "Kassette": "Shimano CS-HG50 11-36 T",
  "Kette": "Shimano CN-HG54-10",
  "Lenker": "Bulls Gravel SL",
  "Vorbau": "Bulls MTB-S CCS Slot Mount ready",
  "Sattelstütze": "Bulls Aluminium 27,2 mm",
  "Sattel": "Bulls Gravel",
  "Laufradgröße": "28\"",
  "Felgen": "Bulls XC-21 Evo tubeless ready",
  "Reifen": "Schwalbe G-One Allround Performance RaceGuard TLE",
  "Nabe vorne": "Shutter Precision PL-8QR CL",
  "Nabe hinten": "Formula RXC-135S-QR",
  "Scheinwerfer": "Fuxon FS-70, 70 Lux",
  "Rücklicht": "Fuxon R-60, LED",
  "Gepäckträger": "Bulls Urban/Gravel",
  "Schutzbleche": "Aluminium",
  "zul. Gesamtgewicht": "max. 125 kg",
  "Rahmenform": "Gravel",
  "Herstellerfarbe": "metallic aventurine"
}

Raw adapter output

{
  "retailer": "zweirad-stadler",
  "retailerProductId": "bulls-daily-grinder-2-gravel-bike-herren-28-grau-kaufen",
  "productUrl": "https://shop.zweirad-stadler.de/fahrrad-shop/rennraeder/gravel-bike/bulls-daily-grinder-2-gravel-bike-herren-28-grau-kaufen.html",
  "extractionMethod": "server-html",
  "sourceCategory": "gravel",
  "rawTitle": "Bulls Daily Grinder 2 Gravel Bike 28\" grau",
  "rawBrand": "Bulls",
  "price": 1492,
  "originalPrice": 1999,
  "currency": "EUR",
  "imageUrl": "https://shop.zweirad-stadler.de/out/pictures/generated/product/1/1500_1500_100/bulls-daily-grinder-2-gravelbike-grau-126261-a.jpg",
  "rawSpecifications": {
    "Material": "Aluminium",
    "Farbe": "grau",
    "Gabel": "Grinder Alu",
    "Steuersatz": "FSA ORBIT C40ACB (No. 42/ACB)",
    "Schaltung": "Kettenschaltung",
    "Gänge": "20-Gang",
    "Schaltwerk": "Shimano GRX RD-RX400",
    "Umwerfer": "Shimano GRX FD-RX400",
    "Schalthebel": "Shimano GRX ST-RXC400",
    "Bremsenart": "Hydraulische Scheibenbremsen",
    "Bremsen": "Shimano BR RX400",
    "Bremsscheiben": "160 mm /160 mm",
    "Kurbel": "Prowheel 46/30T",
    "Kassette": "Shimano CS-HG50 11-36 T",
    "Kette": "Shimano CN-HG54-10",
    "Lenker": "Bulls Gravel SL",
    "Vorbau": "Bulls MTB-S CCS Slot Mount ready",
    "Sattelstütze": "Bulls Aluminium 27,2 mm",
    "Sattel": "Bulls Gravel",
    "Laufradgröße": "28\"",
    "Felgen": "Bulls XC-21 Evo tubeless ready",
    "Reifen": "Schwalbe G-One Allround Performance RaceGuard TLE",
    "Nabe vorne": "Shutter Precision PL-8QR CL",
    "Nabe hinten": "Formula RXC-135S-QR",
    "Scheinwerfer": "Fuxon FS-70, 70 Lux",
    "Rücklicht": "Fuxon R-60, LED",
    "Gepäckträger": "Bulls Urban/Gravel",
    "Schutzbleche": "Aluminium",
    "zul. Gesamtgewicht": "max. 125 kg",
    "Rahmenform": "Gravel",
    "Herstellerfarbe": "metallic aventurine"
  },
  "rawFeatures": [
    "0% Finanzierung ab 149,19 € möglich",
    "Dienstrad-Leasing möglich",
    "14 Tage kostenloses Rückgaberecht",
    "Fahrrad vollständig montiert und mit wenigen Handgriffen fahrbereit",
    "Hochwertiger und leichter Aluminiumrahmen mit modernster Gravel-Geometrie",
    "Maximale Flexibilität dank unzähliger Anschraubpunkte für Zubehör"
  ],
  "rawSizes": [
    {
      "rawSize": "47 cm",
      "size": "47",
      "sizeCm": 47,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "7-14 Werktage"
    },
    {
      "rawSize": "51 cm",
      "size": "51",
      "sizeCm": 51,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "4-8 Werktage"
    },
    {
      "rawSize": "55 cm",
      "size": "55",
      "sizeCm": 55,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "7-14 Werktage"
    }
  ],
  "availabilityText": "3 of 3 sizes orderable",
  "fetchedAt": "2026-09-19T06:32:01.712Z",
  "sourceMeta": {
    "savingBadge": "507 € gespartauf UVP",
    "deliveryWindows": [
      "47 cm 7-14 Werktage",
      "51 cm 4-8 Werktage",
      "55 cm 7-14 Werktage"
    ]
  }
}

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