← Review table (mtb) · shopper page

Centurion Backfire Fit Comp 50.29

boc:7497588637870 · source URL · confidence 0.74

Eligibility

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

Size decisions

retailer labelalphacomparable cmmatchmappingin stockvariant priceevidence
43 CM43 cmexact scalestated by the retailerno€69943 CM
48 CM48 cmexact scalestated by the retailerno€69948 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:boc / parseCENTURION
modelretailer:boc / derivedCenturion Backfire Fit Comp 50.29
modelYearretailer:boc / parseModelljahr: 2021
categoryretailer:boc / derived
frameMaterialretailer:boc / parseAluminium
groupsetFamilyretailer:boc / dictionaryShimano SL-M315 || Shimano Acera || SHIMANO FD-M315-TS
electronicShiftingretailer:boc / derivedShimano SL-M315 || Shimano Acera || SHIMANO FD-M315-TS
suspensionretailer:boc / derivedsuspension fork "SR Suntour XCT ATB" and no rear shock in a 36-field spec table
forkretailer:boc / parseSR Suntour XCT ATB
dropperPostretailer:boc / derivedseatpost row "PROCRAFT Comp II" names no dropper, in a 36-field spec table
beltDriveretailer:boc / parseKMC
wheelSizeretailer:boc / parse29
weightKgretailer:boc / parseGewicht Kg. ca.: 12 kg
powerMeterretailer:boc / derivedabsent from a 36-field spec table
availabilityretailer:boc / derivedall variants sold out
brakesai / ai (0.9)Hydraulische Tektro M275 Scheibenbremsen

Warnings

Score breakdown

{
  "frameScore": 11,
  "drivetrainScore": 7,
  "wheelScore": 5,
  "extrasScore": 0,
  "suspensionScore": 0,
  "weightAdjustment": 3.6,
  "equipmentValue": 26.6,
  "notes": [
    "Shimano Altus = 7.",
    "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 \"hydraulic-disc\" = 0, the baseline for mtb-hardtail.",
    "12 kg vs 14.4 kg mtb-hardtail reference = +3.6.",
    "Fork series not stated: scored at the bottom of the fork ladder rather than assumed."
  ],
  "marketPrice": 837,
  "valueScore": 1.197,
  "savingsVsMarket": 138
}

AI normalization

{
  "requested": [
    "wheelMaterial",
    "wheelTier",
    "brakes"
  ],
  "applied": [
    "brakes"
  ],
  "rejected": [],
  "notes": "Wheel material and wheel tier cannot be determined from the provided text: rims are listed as \"Felgen: PROCRAFT JD 200\" (house brand) but no material or well-known wheel model is given. Power meter is not mentioned.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Rahmenmaterial: Aluminium",
      "confidence": 0.9
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Schaltwerk: Shimano Acera",
      "confidence": 0.9
    },
    "groupsetFamily": {
      "value": "Acera",
      "evidence": "Shimano Acera",
      "confidence": 0.9
    },
    "electronicShifting": {
      "value": "false",
      "evidence": "Schalthebel: Shimano SL-M315",
      "confidence": 0.8
    },
    "speeds": {
      "value": "16",
      "evidence": "Anzahl Gänge: 16",
      "confidence": 0.9
    },
    "mixedGroupset": {
      "value": "false",
      "evidence": "Schalthebel: Shimano SL-M315; Schaltwerk: Shimano Acera; Kurbelgarnitur: SHIMANO FC-M315-2 36-22T",
      "confidence": 0.8
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "brakes": {
      "value": "hydraulic-disc",
      "evidence": "Hydraulische Tektro M275 Scheibenbremsen",
      "confidence": 0.9
    },
    "weightKg": {
      "value": "12",
      "evidence": "Gewicht Kg. ca.: 12 kg",
      "confidence": 0.9
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 0.5
    },
    "notes": "Wheel material and wheel tier cannot be determined from the provided text: rims are listed as \"Felgen: PROCRAFT JD 200\" (house brand) but no material or well-known wheel model is given. Power meter is not mentioned."
  }
}

Normalized record

{
  "id": "boc:7497588637870",
  "retailer": "boc",
  "retailerProductId": "7497588637870",
  "productUrl": "https://boc24.de/products/centurion-backfire-fit-comp-50-29",
  "brand": "Centurion",
  "model": "Backfire Fit Comp 50.29",
  "modelYear": 2021,
  "category": "mtb",
  "categoryBasis": "route",
  "sourceCategory": "mtb",
  "price": 699,
  "originalPrice": null,
  "currency": "EUR",
  "discountPercent": null,
  "frameMaterial": "aluminium",
  "frameModel": "Backfire Fit Comp",
  "frameTier": null,
  "groupsetBrand": "Shimano",
  "groupsetFamily": "Altus",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": null,
  "mixedGroupset": true,
  "groupsetComponents": {
    "shifters": "Altus",
    "rearDerailleur": "Acera",
    "frontDerailleur": "Altus",
    "crank": "Altus"
  },
  "groupsetTierSpread": 0,
  "crank": "SHIMANO FC-M315-2 36-22T",
  "cassette": "Shimano HG31",
  "brakes": "hydraulic-disc",
  "brakePistons": null,
  "brakeTier": "unknown",
  "suspension": "front",
  "fork": {
    "make": "SR Suntour",
    "line": "XCT",
    "tier": "unknown",
    "travelMm": 100
  },
  "rearShock": null,
  "dropperPost": false,
  "beltDrive": false,
  "hubDynamo": null,
  "rack": null,
  "mudguards": null,
  "chaincase": null,
  "kickstand": null,
  "lighting": null,
  "wheelSize": "29",
  "wheelset": "PROCRAFT JD 200 | SHIMANO HB-TX506 | SHIMANO FH-TX506",
  "wheelMaterial": "unknown",
  "wheelTier": "unknown",
  "tyres": "KENDA Small Block 8, 27.5/29x2.1\"",
  "weightKg": 12,
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "43 CM",
      "size": "43",
      "sizeCm": 43,
      "inStock": false,
      "stockCount": null,
      "price": 699,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "48 CM",
      "size": "48",
      "sizeCm": 48,
      "inStock": false,
      "stockCount": null,
      "price": 699,
      "preorder": false,
      "deliveryNote": null
    }
  ],
  "seller": null,
  "availability": "out-of-stock",
  "gtins": [],
  "imageUrl": "https://cdn.shopify.com/s/files/1/0582/1677/5854/files/az_centurion-backfire-fit-comp-5029-coolmint-219913.jpg?v=1785996571",
  "rawTitle": "Centurion Backfire Fit Comp 50.29",
  "fetchedAt": "2026-09-19T05:40:59.532Z",
  "normalizationConfidence": 0.74,
  "warnings": [
    {
      "code": "wheel-material-unknown",
      "message": "Wheel material could not be established.",
      "severity": "info"
    },
    {
      "code": "mixed-groupset",
      "message": "Not a uniform groupset: {\"shifters\":\"Altus\",\"rearDerailleur\":\"Acera\",\"frontDerailleur\":\"Altus\",\"crank\":\"Altus\"}. Ranked on the shifting level, with a penalty.",
      "severity": "info"
    }
  ]
}

Parsed specification table

{
  "Ausstattung": "Agiler 29 Zoll Aluminiumrahmen Wertige SR Suntour XCT Federgabel Erprobte Shimano Acera Kettenschaltung Hydraulische Tektro M275 Scheibenbremsen Griffiger Kenda Small Block 8 Reifen",
  "Anzahl Gänge": "16",
  "Artikelmarke": "Centurion",
  "Ausstattungsniveau": "ohne zusätzliche Ausstattung",
  "Bremsen": "Tektro M275",
  "Bremshebel": "TEKTRO M276",
  "Federweg vorne": "100 mm",
  "Felgen": "PROCRAFT JD 200",
  "Gabel": "SR Suntour XCT ATB",
  "Gewicht Kg. ca.": "12 kg",
  "Griffe": "PROCRAFT Sport Comp",
  "Hinterradnabe": "SHIMANO HB-TX506",
  "Innenlager": "FSA BB-7420ST",
  "Kassette": "Shimano HG31",
  "Kette": "KMC Z8.3",
  "Kurbelgarnitur": "SHIMANO FC-M315-2 36-22T",
  "Laufradgröße": "29 Zoll",
  "Lenker": "PROCRAFT Riser Comp",
  "Modelljahr": "2021",
  "Pedale": "VP-899",
  "Rahmen": "Backfire Fit Comp",
  "Rahmenform": "Trapez",
  "Rahmenmaterial": "Aluminium",
  "Reifen hinten": "KENDA Small Block 8, 27.5/29x2.1\"",
  "Reifen vorne": "Kenda Small Block 8, 27.5/29x2.1\"",
  "Sattel": "PROCRAFT Sport Comfort",
  "Sattelstütze": "PROCRAFT Comp II",
  "Schalthebel": "Shimano SL-M315",
  "Schaltung": "Shimano Acera",
  "Schaltwerk": "Shimano Acera",
  "Speichen": "PROCRAFT stainless 2.0",
  "Steuersatz": "FSA No.10P",
  "Umwerfer": "SHIMANO FD-M315-TS",
  "Vorbau": "PROCRAFT Comp II",
  "Vorderradnabe": "SHIMANO FH-TX506",
  "zulässiges Gesamtgewicht Kg": "135 kg"
}

Raw adapter output

{
  "retailer": "boc",
  "retailerProductId": "7497588637870",
  "productUrl": "https://boc24.de/products/centurion-backfire-fit-comp-50-29",
  "extractionMethod": "public-json-api",
  "sourceCategory": "mtb",
  "rawTitle": "Centurion Backfire Fit Comp 50.29",
  "rawBrand": "CENTURION",
  "price": 699,
  "originalPrice": null,
  "currency": "EUR",
  "imageUrl": "https://cdn.shopify.com/s/files/1/0582/1677/5854/files/az_centurion-backfire-fit-comp-5029-coolmint-219913.jpg?v=1785996571",
  "rawSpecifications": {
    "Ausstattung": "Agiler 29 Zoll Aluminiumrahmen Wertige SR Suntour XCT Federgabel Erprobte Shimano Acera Kettenschaltung Hydraulische Tektro M275 Scheibenbremsen Griffiger Kenda Small Block 8 Reifen",
    "Anzahl Gänge": "16",
    "Artikelmarke": "Centurion",
    "Ausstattungsniveau": "ohne zusätzliche Ausstattung",
    "Bremsen": "Tektro M275",
    "Bremshebel": "TEKTRO M276",
    "Federweg vorne": "100 mm",
    "Felgen": "PROCRAFT JD 200",
    "Gabel": "SR Suntour XCT ATB",
    "Gewicht Kg. ca.": "12 kg",
    "Griffe": "PROCRAFT Sport Comp",
    "Hinterradnabe": "SHIMANO HB-TX506",
    "Innenlager": "FSA BB-7420ST",
    "Kassette": "Shimano HG31",
    "Kette": "KMC Z8.3",
    "Kurbelgarnitur": "SHIMANO FC-M315-2 36-22T",
    "Laufradgröße": "29 Zoll",
    "Lenker": "PROCRAFT Riser Comp",
    "Modelljahr": "2021",
    "Pedale": "VP-899",
    "Rahmen": "Backfire Fit Comp",
    "Rahmenform": "Trapez",
    "Rahmenmaterial": "Aluminium",
    "Reifen hinten": "KENDA Small Block 8, 27.5/29x2.1\"",
    "Reifen vorne": "Kenda Small Block 8, 27.5/29x2.1\"",
    "Sattel": "PROCRAFT Sport Comfort",
    "Sattelstütze": "PROCRAFT Comp II",
    "Schalthebel": "Shimano SL-M315",
    "Schaltung": "Shimano Acera",
    "Schaltwerk": "Shimano Acera",
    "Speichen": "PROCRAFT stainless 2.0",
    "Steuersatz": "FSA No.10P",
    "Umwerfer": "SHIMANO FD-M315-TS",
    "Vorbau": "PROCRAFT Comp II",
    "Vorderradnabe": "SHIMANO FH-TX506",
    "zulässiges Gesamtgewicht Kg": "135 kg"
  },
  "rawFeatures": [
    "Agiler 29 Zoll Aluminiumrahmen, Wertige SR Suntour XCT Federgabel, Erprobte Shimano Acera Kettenschaltung, Hydraulische Tektro M275 Scheibenbremsen, Griffiger Kenda Small Block 8 Reifen. 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": "43 CM",
      "size": "43",
      "sizeCm": 43,
      "inStock": false,
      "stockCount": null,
      "price": 699,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "48 CM",
      "size": "48",
      "sizeCm": 48,
      "inStock": false,
      "stockCount": null,
      "price": 699,
      "preorder": false,
      "deliveryNote": null
    }
  ],
  "availabilityText": "all variants sold out",
  "fetchedAt": "2026-09-19T05:40:59.532Z",
  "sourceMeta": {
    "shopifyProductId": 7497588637870,
    "handle": "centurion-backfire-fit-comp-50-29",
    "productType": "WG1",
    "variantSkus": [
      "219913-1",
      "219913-2"
    ]
  }
}

Impressum · Privacy · Contact · About BikeFind