← Review table (gravel) · shopper page

Bergamont Grandurance 4

boc:7499314167982 · source URL · confidence 0.78

Eligibility

Cannot win: availability is out-of-stock; no size confirmed in stock

Size decisions

retailer labelalphacomparable cmmatchmappingin stockvariant priceevidence
49 CM49 cmexact scalestated by the retailerno€99949 CM
53 CM53 cmexact scalestated by the retailerno€99953 CM
55 CM55 cmexact scalestated by the retailerno€99955 CM
57 CM57 cmexact scalestated by the retailerno€99957 CM
61 CM61 cmexact scalestated by the retailerno€99961 CM

A shopper asking for: 54 → 53 CM/55 CM fits but sold out · 56 → 55 CM/57 CM fits but sold out · 58 → 57 CM fits but sold out · 60 → 61 CM fits but sold out

Identity

Only listing of this configuration — nothing to merge.

Provenance — why we believe each fact

fieldsourceevidence
brandretailer:boc / parseBERGAMONT
modelretailer:boc / derivedBergamont Grandurance 4
modelYearretailer:boc / parseModelljahr: 2021
categoryretailer:boc / parseGrandurance
frameMaterialretailer:boc / parseAluminium
groupsetFamilyretailer:boc / dictionaryShimano Sora || Shimano Sora || Shimano Sora
electronicShiftingretailer:boc / derivedShimano Sora || Shimano Sora || Shimano Sora
suspensionretailer:boc / derivedno suspension fork and no rear shock on a drop-bar listing
forkretailer:boc / dictionaryGrandurance Aluminium
dropperPostretailer:boc / derivedseatpost row "Syncros 2.5" names no dropper, in a 33-field spec table
beltDriveretailer:boc / parseKMC
wheelSizeretailer:boc / parse28
weightKgretailer:boc / parseGewicht Kg. ca.: 11 kg
powerMeterretailer:boc / derivedabsent from a 33-field spec table
availabilityretailer:boc / derivedall variants sold out
brakesai / ai (0.95)Mechanische Shimano Sora Scheibenbremsen

Warnings

Score breakdown

{
  "frameScore": 11,
  "drivetrainScore": 8,
  "wheelScore": 5,
  "extrasScore": -2,
  "suspensionScore": 0,
  "weightAdjustment": -1.2,
  "equipmentValue": 20.8,
  "notes": [
    "Shimano Sora = 8.",
    "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.",
    "11 kg vs 10.4 kg gravel reference = -1.2."
  ],
  "marketPrice": 1097,
  "valueScore": 1.098,
  "savingsVsMarket": 98
}

AI normalization

{
  "requested": [
    "wheelMaterial",
    "wheelTier",
    "brakes"
  ],
  "applied": [
    "brakes"
  ],
  "rejected": [],
  "notes": "Wheel rim model given as \"Felgen: Shining DB-T260, Disc\" but material not stated and model not recognised for tiering; electronic shifting not explicitly mentioned in the source (only Sora is named), so electronicShifting is left null.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Rahmenmaterial: Aluminium",
      "confidence": 0.95
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Shimano Sora",
      "confidence": 0.95
    },
    "groupsetFamily": {
      "value": "Sora",
      "evidence": "Shimano Sora",
      "confidence": 0.95
    },
    "electronicShifting": {
      "value": null,
      "evidence": null,
      "confidence": 0.3
    },
    "speeds": {
      "value": "18",
      "evidence": "Anzahl Gänge: 18",
      "confidence": 0.95
    },
    "mixedGroupset": {
      "value": "false",
      "evidence": "Kurbelgarnitur: Shimano Sora",
      "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 Shimano Sora Scheibenbremsen",
      "confidence": 0.95
    },
    "weightKg": {
      "value": "11",
      "evidence": "Gewicht Kg. ca.: 11 kg",
      "confidence": 0.95
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 0.3
    },
    "notes": "Wheel rim model given as \"Felgen: Shining DB-T260, Disc\" but material not stated and model not recognised for tiering; electronic shifting not explicitly mentioned in the source (only Sora is named), so electronicShifting is left null."
  }
}

Normalized record

{
  "id": "boc:7499314167982",
  "retailer": "boc",
  "retailerProductId": "7499314167982",
  "productUrl": "https://boc24.de/products/bergamont-grandurance-4",
  "brand": "Bergamont",
  "model": "Grandurance 4",
  "modelYear": 2021,
  "category": "gravel",
  "categoryBasis": "stated",
  "sourceCategory": "gravel",
  "price": 999,
  "originalPrice": null,
  "currency": "EUR",
  "discountPercent": null,
  "frameMaterial": "aluminium",
  "frameModel": null,
  "frameTier": null,
  "groupsetBrand": "Shimano",
  "groupsetFamily": "Sora",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": null,
  "mixedGroupset": false,
  "groupsetComponents": {
    "shifters": "Sora",
    "rearDerailleur": "Sora",
    "frontDerailleur": "Sora",
    "crank": "Sora"
  },
  "groupsetTierSpread": 0,
  "crank": "Shimano Sora, FC-R3000, 50/34t",
  "cassette": "Shimano CS-HG201-9, 11-34t",
  "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": null,
  "rack": null,
  "mudguards": null,
  "chaincase": null,
  "kickstand": null,
  "lighting": null,
  "wheelSize": "28",
  "wheelset": "Shining DB-T260, Disc | BGM Pro, Centerlock, Disc, Schnellspanner",
  "wheelMaterial": "unknown",
  "wheelTier": "unknown",
  "tyres": "Schwalbe G-One Allround, Raceguard, 35-622",
  "weightKg": 11,
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "49 CM",
      "size": "49",
      "sizeCm": 49,
      "inStock": false,
      "stockCount": null,
      "price": 999,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "53 CM",
      "size": "53",
      "sizeCm": 53,
      "inStock": false,
      "stockCount": null,
      "price": 999,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "55 CM",
      "size": "55",
      "sizeCm": 55,
      "inStock": false,
      "stockCount": null,
      "price": 999,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "57 CM",
      "size": "57",
      "sizeCm": 57,
      "inStock": false,
      "stockCount": null,
      "price": 999,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "61 CM",
      "size": "61",
      "sizeCm": 61,
      "inStock": false,
      "stockCount": null,
      "price": 999,
      "preorder": false,
      "deliveryNote": null
    }
  ],
  "seller": null,
  "availability": "out-of-stock",
  "gtins": [],
  "imageUrl": "https://cdn.shopify.com/s/files/1/0582/1677/5854/files/az_0217908_2039-0.jpg?v=1777986961",
  "rawTitle": "Bergamont Grandurance 4",
  "fetchedAt": "2026-09-19T05:36:09.429Z",
  "normalizationConfidence": 0.78,
  "warnings": [
    {
      "code": "wheel-material-unknown",
      "message": "Wheel material could not be established.",
      "severity": "info"
    }
  ]
}

Parsed specification table

{
  "Ausstattung": "Leichter 28 Zoll Aluminiumrahmen Grandurance Aluminium Starrgabel Bewährte Shimano Sora 18-Gang Kettenschaltung Mechanische Shimano Sora Scheibenbremsen",
  "Anzahl Gänge": "18",
  "Artikelmarke": "Bergamont",
  "Ausstattungsniveau": "ohne zusätzliche Ausstattung",
  "Bremsen": "Shimano BR-R317, SM-RT54 160/160 mm",
  "Bremshebel": "Shimano Sora",
  "Felgen": "Shining DB-T260, Disc",
  "Gabel": "Grandurance Aluminium",
  "Gewicht Kg. ca.": "11 kg",
  "Griffe": "BGM Race Grip-Tape, Antislip",
  "Hinterradnabe": "BGM Pro, Centerlock, Disc, Schnellspanner",
  "Innenlager": "Shimano Hollowtech II, BSA",
  "Kassette": "Shimano CS-HG201-9, 11-34t",
  "Kette": "KMC X9",
  "Kurbelgarnitur": "Shimano Sora, FC-R3000, 50/34t",
  "Laufradgröße": "28 Zoll",
  "Lenker": "Syncros Creston 2.0, Flare: 10°",
  "Modelljahr": "2021",
  "Pedale": "ohne",
  "Rahmenform": "Diamant",
  "Rahmenmaterial": "Aluminium",
  "Reifen hinten": "Schwalbe G-One Allround, Raceguard, 35-622",
  "Reifen vorne": "Schwalbe G-One Allround, Raceguard, 35-622",
  "Sattel": "Syncros Tofino 2.5",
  "Sattelstütze": "Syncros 2.5",
  "Schalthebel": "Shimano Sora",
  "Schaltung": "Shimano Sora",
  "Schaltwerk": "Shimano Sora",
  "Speichen": "Edelstahl, schwarz",
  "Steuersatz": "BGM F13-C, A-Headset, semi-integriert, Tapered",
  "Umwerfer": "Shimano Sora",
  "Vorbau": "Syncros RR2.5",
  "zulässiges Gesamtgewicht Kg": "115 kg"
}

Raw adapter output

{
  "retailer": "boc",
  "retailerProductId": "7499314167982",
  "productUrl": "https://boc24.de/products/bergamont-grandurance-4",
  "extractionMethod": "public-json-api",
  "sourceCategory": "gravel",
  "rawTitle": "Bergamont Grandurance 4",
  "rawBrand": "BERGAMONT",
  "price": 999,
  "originalPrice": null,
  "currency": "EUR",
  "imageUrl": "https://cdn.shopify.com/s/files/1/0582/1677/5854/files/az_0217908_2039-0.jpg?v=1777986961",
  "rawSpecifications": {
    "Ausstattung": "Leichter 28 Zoll Aluminiumrahmen Grandurance Aluminium Starrgabel Bewährte Shimano Sora 18-Gang Kettenschaltung Mechanische Shimano Sora Scheibenbremsen",
    "Anzahl Gänge": "18",
    "Artikelmarke": "Bergamont",
    "Ausstattungsniveau": "ohne zusätzliche Ausstattung",
    "Bremsen": "Shimano BR-R317, SM-RT54 160/160 mm",
    "Bremshebel": "Shimano Sora",
    "Felgen": "Shining DB-T260, Disc",
    "Gabel": "Grandurance Aluminium",
    "Gewicht Kg. ca.": "11 kg",
    "Griffe": "BGM Race Grip-Tape, Antislip",
    "Hinterradnabe": "BGM Pro, Centerlock, Disc, Schnellspanner",
    "Innenlager": "Shimano Hollowtech II, BSA",
    "Kassette": "Shimano CS-HG201-9, 11-34t",
    "Kette": "KMC X9",
    "Kurbelgarnitur": "Shimano Sora, FC-R3000, 50/34t",
    "Laufradgröße": "28 Zoll",
    "Lenker": "Syncros Creston 2.0, Flare: 10°",
    "Modelljahr": "2021",
    "Pedale": "ohne",
    "Rahmenform": "Diamant",
    "Rahmenmaterial": "Aluminium",
    "Reifen hinten": "Schwalbe G-One Allround, Raceguard, 35-622",
    "Reifen vorne": "Schwalbe G-One Allround, Raceguard, 35-622",
    "Sattel": "Syncros Tofino 2.5",
    "Sattelstütze": "Syncros 2.5",
    "Schalthebel": "Shimano Sora",
    "Schaltung": "Shimano Sora",
    "Schaltwerk": "Shimano Sora",
    "Speichen": "Edelstahl, schwarz",
    "Steuersatz": "BGM F13-C, A-Headset, semi-integriert, Tapered",
    "Umwerfer": "Shimano Sora",
    "Vorbau": "Syncros RR2.5",
    "zulässiges Gesamtgewicht Kg": "115 kg"
  },
  "rawFeatures": [
    "Leichter 28 Zoll Aluminiumrahmen, Grandurance Aluminium Starrgabel, Bewährte Shimano Sora 18-Gang Kettenschaltung, Mechanische Shimano Sora Scheibenbremsen. Hinweis: Durch die Lieferengpässe bei den Fahrradherstellern kann es sein, dass vereinzelt Komponenten der abgebildeten Original-Ausstattung durch gleichwertige oder sogar höherwertige Bauteile ersetzt worden sind. In Einzelfällen ist es möglich, dass das gelieferte Fahrrad von den Abbildungen im Shop abweicht."
  ],
  "rawSizes": [
    {
      "rawSize": "49 CM",
      "size": "49",
      "sizeCm": 49,
      "inStock": false,
      "stockCount": null,
      "price": 999,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "53 CM",
      "size": "53",
      "sizeCm": 53,
      "inStock": false,
      "stockCount": null,
      "price": 999,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "55 CM",
      "size": "55",
      "sizeCm": 55,
      "inStock": false,
      "stockCount": null,
      "price": 999,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "57 CM",
      "size": "57",
      "sizeCm": 57,
      "inStock": false,
      "stockCount": null,
      "price": 999,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "61 CM",
      "size": "61",
      "sizeCm": 61,
      "inStock": false,
      "stockCount": null,
      "price": 999,
      "preorder": false,
      "deliveryNote": null
    }
  ],
  "availabilityText": "all variants sold out",
  "fetchedAt": "2026-09-19T05:36:09.429Z",
  "sourceMeta": {
    "shopifyProductId": 7499314167982,
    "handle": "bergamont-grandurance-4",
    "productType": "WG1",
    "variantSkus": [
      "217908-1",
      "217908-2",
      "217908-3",
      "217908-4",
      "217908-5"
    ]
  }
}

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