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Bulls Daily Grinder 1 Gravel Bike 28" blau

zweirad-stadler:bulls-daily-grinder-1-gravel-bike-28-blau · 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": "Wheel material and wheel tier cannot be determined from the provided text: wheelset/felgen listed as 'Bulls DDM-22' but no material or recognized tier is stated. Electronic shifting is not explicitly mentioned; groupset is named 'Shimano Claris' but the source does not explicitly state electronic or mechanical shifting, so electronicShifting is left null. mixedGroupset set to false because shifting components and crank are all listed as Shimano Claris in the spec.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Material: Aluminium",
      "confidence": 0.9
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Shimano Claris 16-Gang Kettenschaltung",
      "confidence": 0.9
    },
    "groupsetFamily": {
      "value": "Claris",
      "evidence": "Shimano Claris 16-Gang Kettenschaltung",
      "confidence": 0.9
    },
    "electronicShifting": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "speeds": {
      "value": "16",
      "evidence": "Gänge: 16-Gang",
      "confidence": 0.9
    },
    "mixedGroupset": {
      "value": "false",
      "evidence": "Schalthebel: Shimano Claris ST-R2000",
      "confidence": 0.7
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "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
    },
    "notes": "Wheel material and wheel tier cannot be determined from the provided text: wheelset/felgen listed as 'Bulls DDM-22' but no material or recognized tier is stated. Electronic shifting is not explicitly mentioned; groupset is named 'Shimano Claris' but the source does not explicitly state electronic or mechanical shifting, so electronicShifting is left null. mixedGroupset set to false because shifting components and crank are all listed as Shimano Claris in the spec."
  }
}

Normalized record

{
  "id": "zweirad-stadler:bulls-daily-grinder-1-gravel-bike-28-blau",
  "retailer": "zweirad-stadler",
  "retailerProductId": "bulls-daily-grinder-1-gravel-bike-28-blau",
  "productUrl": "https://shop.zweirad-stadler.de/fahrrad-shop/rennraeder/gravel-bike/bulls-daily-grinder-1-gravel-bike-28-blau.html",
  "brand": "Bulls",
  "model": "Daily Grinder 1 Gravel Bike 28\" blau",
  "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": null,
  "brakes": "mechanical-disc",
  "brakePistons": null,
  "brakeTier": "unknown",
  "suspension": "none",
  "fork": {
    "make": null,
    "line": "Machete",
    "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": "VEE TIRE Co. Rail MPC 40-622",
  "weightKg": 13.5,
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "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-daily-grinder-gravelbike-blau-132846-a.jpg",
  "rawTitle": "Bulls Daily Grinder 1 Gravel Bike 28\" blau",
  "fetchedAt": "2026-09-19T06:31:45.853Z",
  "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": "blau",
  "Gabel": "Machete Carbon, internal cable routing, 12 mm thru axle",
  "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": "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\" (28 x 1.50)",
  "Laufradsatz": "Bulls DDM-22",
  "Felgen": "Bulls DDM-22",
  "Reifen": "VEE TIRE Co. Rail MPC 40-622",
  "Nabe vorne": "Shimano Deore XT DH-UR705-3D",
  "Nabe hinten": "Formula CL-26QR",
  "Scheinwerfer": "Fuxon FS-50 DRL 50 Lux",
  "Rücklicht": "Fuxon RZ-60",
  "Dynamo": "Shimano Deore XT DH-UR705-3D",
  "Gepäckträger": "Bulls Urban / Gravel Carrier",
  "Schutzbleche": "Aluminium 50 mm",
  "Sonstiges": "Usus U-Mount 44 Ständer",
  "Gewicht": "ca. 13,5 kg",
  "zul. Gesamtgewicht": "max. 135 kg",
  "Rahmenform": "Gravel",
  "Herstellerfarbe": "dark petrol matt"
}

Raw adapter output

{
  "retailer": "zweirad-stadler",
  "retailerProductId": "bulls-daily-grinder-1-gravel-bike-28-blau",
  "productUrl": "https://shop.zweirad-stadler.de/fahrrad-shop/rennraeder/gravel-bike/bulls-daily-grinder-1-gravel-bike-28-blau.html",
  "extractionMethod": "server-html",
  "sourceCategory": "gravel",
  "rawTitle": "Bulls Daily Grinder 1 Gravel Bike 28\" blau",
  "rawBrand": "Bulls",
  "price": 1092,
  "originalPrice": 1399,
  "currency": "EUR",
  "imageUrl": "https://shop.zweirad-stadler.de/out/pictures/generated/product/1/1500_1500_100/bulls-daily-grinder-gravelbike-blau-132846-a.jpg",
  "rawSpecifications": {
    "Material": "Aluminium",
    "Farbe": "blau",
    "Gabel": "Machete Carbon, internal cable routing, 12 mm thru axle",
    "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": "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\" (28 x 1.50)",
    "Laufradsatz": "Bulls DDM-22",
    "Felgen": "Bulls DDM-22",
    "Reifen": "VEE TIRE Co. Rail MPC 40-622",
    "Nabe vorne": "Shimano Deore XT DH-UR705-3D",
    "Nabe hinten": "Formula CL-26QR",
    "Scheinwerfer": "Fuxon FS-50 DRL 50 Lux",
    "Rücklicht": "Fuxon RZ-60",
    "Dynamo": "Shimano Deore XT DH-UR705-3D",
    "Gepäckträger": "Bulls Urban / Gravel Carrier",
    "Schutzbleche": "Aluminium 50 mm",
    "Sonstiges": "Usus U-Mount 44 Ständer",
    "Gewicht": "ca. 13,5 kg",
    "zul. Gesamtgewicht": "max. 135 kg",
    "Rahmenform": "Gravel",
    "Herstellerfarbe": "dark petrol matt"
  },
  "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",
    "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": "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": "2 of 2 sizes orderable",
  "fetchedAt": "2026-09-19T06:31:45.853Z",
  "sourceMeta": {
    "savingBadge": "307 € gespartauf UVP",
    "deliveryWindows": [
      "51 cm 4-8 Werktage",
      "55 cm 4-8 Werktage"
    ]
  }
}

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