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Bulls Daily Grinder 1 Gravel Bike 28" schwarz

zweirad-stadler:bulls-daily-grinder-1-gravel-bike-herren-28-schwarz · source URL · confidence 0.83

Eligibility

Can win a band.

Size decisions

A shopper asking for: 54 → 55 cm in stock · 56 → 55 cm in stock · 58 → nothing compatible · 60 → nothing compatible

Identity

Canonical configuration: Bulls | Daily Grinder 1 Gravel Bike 28" | Claris
Confidence: medium

• brand exact (Bulls)
• model normalized to "daily grinder 1 gravel 28"
• groupset family exact (Claris)
• model year unavailable on every listing
• 4 listings across 1 retailer
• downgraded to medium: no shared GTIN, and no listing states a model year

Provenance — why we believe each fact

Warnings

• high implausible-weight — Stated weight 13.5 kg is outside the 5.5-13 kg plausible range for a complete drop-bar bike.
• info wheel-material-unknown — Wheel material could not be established.

Score breakdown

{
  "frameScore": 11,
  "drivetrainScore": 6,
  "wheelScore": 5,
  "extrasScore": -2,
  "suspensionScore": 0,
  "weightAdjustment": -3,
  "equipmentValue": 17,
  "notes": [
    "Shimano Claris = 6.",
    "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.",
    "13.5 kg vs 10.4 kg gravel reference = -3."
  ],
  "marketPrice": 987,
  "valueScore": 0.904,
  "savingsVsMarket": -105
}

AI normalization

{
  "requested": [
    "wheelMaterial",
    "wheelTier"
  ],
  "applied": [],
  "rejected": [],
  "notes": "Wheels are described as 'Laufradsatz: Bulls DDM-22' / 'Felgen: Bulls DDM-22' in the source but no material or recognisable commercial wheel model tier is stated, so wheelMaterial and wheelTier are left null.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Material: Aluminium",
      "confidence": 0.9
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Schaltwerk: Shimano Claris RD-R2000",
      "confidence": 0.9
    },
    "groupsetFamily": {
      "value": "Claris",
      "evidence": "Shimano Claris 16-Gang Kettenschaltung",
      "confidence": 0.9
    },
    "electronicShifting": {
      "value": "false",
      "evidence": "Shimano Claris 16-Gang Kettenschaltung",
      "confidence": 0.9
    },
    "speeds": {
      "value": "16",
      "evidence": "16-Gang",
      "confidence": 0.9
    },
    "mixedGroupset": {
      "value": "false",
      "evidence": "Schaltwerk: Shimano Claris RD-R2000\nUmwerfer: Shimano Claris FD-R2000\nSchalthebel: Shimano Claris ST-R2000\nKurbel: Shimano Claris FC-RS200 46/34T",
      "confidence": 0.9
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 0.3
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 0.3
    },
    "brakes": {
      "value": "mechanical-disc",
      "evidence": "Mechanische Scheibenbremsen",
      "confidence": 0.9
    },
    "weightKg": {
      "value": "13.5",
      "evidence": "Gewicht: ca. 13,5 kg",
      "confidence": 0.9
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 0.3
    },
    "notes": "Wheels are described as 'Laufradsatz: Bulls DDM-22' / 'Felgen: Bulls DDM-22' in the source but no material or recognisable commercial wheel model tier is stated, so wheelMaterial and wheelTier are left null."
  }
}

Normalized record

{
  "id": "zweirad-stadler:bulls-daily-grinder-1-gravel-bike-herren-28-schwarz",
  "retailer": "zweirad-stadler",
  "retailerProductId": "bulls-daily-grinder-1-gravel-bike-herren-28-schwarz",
  "productUrl": "https://shop.zweirad-stadler.de/fahrrad-shop/rennraeder/gravel-bike/bulls-daily-grinder-1-gravel-bike-herren-28-schwarz.html",
  "brand": "Bulls",
  "model": "Daily Grinder 1 Gravel Bike 28\" schwarz",
  "modelYear": null,
  "category": "gravel",
  "categoryBasis": "stated",
  "sourceCategory": "gravel",
  "price": 1092,
  "originalPrice": 1399,
  "currency": "EUR",
  "discountPercent": 22,
  "frameMaterial": "aluminium",
  "frameModel": null,
  "frameTier": null,
  "groupsetBrand": "Shimano",
  "groupsetFamily": "Claris",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": 8,
  "mixedGroupset": false,
  "groupsetComponents": {
    "shifters": "Claris",
    "rearDerailleur": "Claris",
    "frontDerailleur": "Claris",
    "crank": "Claris"
  },
  "groupsetTierSpread": 0,
  "crank": "Shimano Claris FC-RS200 46/34T",
  "cassette": "Shimano CS-HG50, 11-36T",
  "brakes": "mechanical-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 DDM-22",
  "wheelMaterial": "unknown",
  "wheelTier": "unknown",
  "tyres": "Schwalbe CX COMP K-GUARD, 40-622",
  "weightKg": 13.5,
  "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": "4-8 Werktage"
    }
  ],
  "seller": null,
  "availability": "in-stock",
  "gtins": [],
  "imageUrl": "https://shop.zweirad-stadler.de/out/pictures/generated/product/1/1500_1500_100/bulls-28-dailygrinder1-gravelbike-herren-sw-black-chrome-126162a.jpg",
  "rawTitle": "Bulls Daily Grinder 1 Gravel Bike 28\" schwarz",
  "fetchedAt": "2026-09-19T06:32:07.300Z",
  "normalizationConfidence": 0.83,
  "warnings": [
    {
      "code": "implausible-weight",
      "message": "Stated weight 13.5 kg is outside the 5.5-13 kg plausible range for a complete drop-bar bike.",
      "severity": "high"
    },
    {
      "code": "wheel-material-unknown",
      "message": "Wheel material could not be established.",
      "severity": "info"
    }
  ]
}

Parsed specification table

{
  "Material": "Aluminium",
  "Farbe": "schwarz",
  "Gabel": "Grinder Aluminium",
  "Steuersatz": "FSA Orbit C40ACB (No. 42/ACB)",
  "Schaltung": "Kettenschaltung",
  "Gänge": "16-Gang",
  "Schaltwerk": "Shimano Claris RD-R2000",
  "Umwerfer": "Shimano Claris FD-R2000",
  "Schalthebel": "Shimano Claris ST-R2000",
  "Bremsenart": "Mechanische Scheibenbremsen",
  "Bremsen": "Shimano BR-RS305",
  "Bremsscheiben": "Shimano SM-RT30, 160 mm 6-Loch",
  "Kurbel": "Shimano Claris FC-RS200 46/34T",
  "Kette": "KMC, HG-40",
  "Lenker": "Bulls Gravel SL",
  "Griffe": "Bulls Komfortlenkerband 3 mm",
  "Vorbau": "Bulls MTB Vorbau CCS Slot Mount ready",
  "Sattelstütze Art": "Patent",
  "Sattelstütze": "Bulls Aluminium 27,2 mm",
  "Sattel": "Bulls MTB-Sport",
  "Laufradgröße": "28\"",
  "Laufradsatz": "Bulls DDM-22",
  "Felgen": "Bulls DDM-22",
  "Reifen": "Schwalbe CX COMP K-GUARD, 40-622",
  "Nabe vorne": "SHIMANO Acera DH-3D37QR",
  "Nabe hinten": "Formula CL-26QR",
  "Scheinwerfer": "Fuxon FS-50, 50 Lux LED",
  "Rücklicht": "Fuxon R-60",
  "Gepäckträger": "Bulls Urban / Gravel Carrier",
  "Schutzbleche": "Aluminium 50 mm",
  "Gewicht": "ca. 13,5 kg",
  "zul. Gesamtgewicht": "max. 125 kg",
  "Rahmenform": "Gravel",
  "Herstellerfarbe": "black chrome",
  "Kassette": "Shimano CS-HG50, 11-36T"
}

Raw adapter output

{
  "retailer": "zweirad-stadler",
  "retailerProductId": "bulls-daily-grinder-1-gravel-bike-herren-28-schwarz",
  "productUrl": "https://shop.zweirad-stadler.de/fahrrad-shop/rennraeder/gravel-bike/bulls-daily-grinder-1-gravel-bike-herren-28-schwarz.html",
  "extractionMethod": "server-html",
  "sourceCategory": "gravel",
  "rawTitle": "Bulls Daily Grinder 1 Gravel Bike 28\" schwarz",
  "rawBrand": "Bulls",
  "price": 1092,
  "originalPrice": 1399,
  "currency": "EUR",
  "imageUrl": "https://shop.zweirad-stadler.de/out/pictures/generated/product/1/1500_1500_100/bulls-28-dailygrinder1-gravelbike-herren-sw-black-chrome-126162a.jpg",
  "rawSpecifications": {
    "Material": "Aluminium",
    "Farbe": "schwarz",
    "Gabel": "Grinder Aluminium",
    "Steuersatz": "FSA Orbit C40ACB (No. 42/ACB)",
    "Schaltung": "Kettenschaltung",
    "Gänge": "16-Gang",
    "Schaltwerk": "Shimano Claris RD-R2000",
    "Umwerfer": "Shimano Claris FD-R2000",
    "Schalthebel": "Shimano Claris ST-R2000",
    "Bremsenart": "Mechanische Scheibenbremsen",
    "Bremsen": "Shimano BR-RS305",
    "Bremsscheiben": "Shimano SM-RT30, 160 mm 6-Loch",
    "Kurbel": "Shimano Claris FC-RS200 46/34T",
    "Kette": "KMC, HG-40",
    "Lenker": "Bulls Gravel SL",
    "Griffe": "Bulls Komfortlenkerband 3 mm",
    "Vorbau": "Bulls MTB Vorbau CCS Slot Mount ready",
    "Sattelstütze Art": "Patent",
    "Sattelstütze": "Bulls Aluminium 27,2 mm",
    "Sattel": "Bulls MTB-Sport",
    "Laufradgröße": "28\"",
    "Laufradsatz": "Bulls DDM-22",
    "Felgen": "Bulls DDM-22",
    "Reifen": "Schwalbe CX COMP K-GUARD, 40-622",
    "Nabe vorne": "SHIMANO Acera DH-3D37QR",
    "Nabe hinten": "Formula CL-26QR",
    "Scheinwerfer": "Fuxon FS-50, 50 Lux LED",
    "Rücklicht": "Fuxon R-60",
    "Gepäckträger": "Bulls Urban / Gravel Carrier",
    "Schutzbleche": "Aluminium 50 mm",
    "Gewicht": "ca. 13,5 kg",
    "zul. Gesamtgewicht": "max. 125 kg",
    "Rahmenform": "Gravel",
    "Herstellerfarbe": "black chrome",
    "Kassette": "Shimano CS-HG50, 11-36T"
  },
  "rawFeatures": [
    "0% Finanzierung ab 109,20 € möglich",
    "Dienstrad-Leasing möglich",
    "14 Tage kostenloses Rückgaberecht",
    "Fahrrad vollständig montiert und mit wenigen Handgriffen fahrbereit",
    "Shimano Claris 16-Gang Kettenschaltung",
    "Mechanische Scheibenbremsen",
    "Straßenausstattung mit Fuxon Scheinwerfer und Rücklicht",
    "Shimano Acera Nabendynamo",
    "Bulls Urban/Gravel Gepäckträger",
    "Zahlreiche Aufnahmen am Rad für Bikepacking-Abenteuer",
    "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": "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": "4-8 Werktage"
    }
  ],
  "availabilityText": "3 of 3 sizes orderable",
  "fetchedAt": "2026-09-19T06:32:07.300Z",
  "sourceMeta": {
    "savingBadge": "307 € gespartauf UVP",
    "deliveryWindows": [
      "47 cm 7-14 Werktage",
      "51 cm 4-8 Werktage",
      "55 cm 4-8 Werktage"
    ]
  }
}

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