Centurion Backfire Comp 50 Diamant schiefer

bikes-de:centurion-backfire-comp-50-2024 · source URL · confidence 0.83 · GTIN 4039645512216, 4039645512223, 4039645512230

Eligibility

Can win a band.

Size decisions

retailer label	alpha	comparable cm	match	mapping	in stock	variant price	evidence
33 cm (27,5")	—	—	unknown	unsupported	yes	€699	—
38 cm (27,5")	—	—	unknown	unsupported	no	listing price	—
43 cm (27,5")	—	43 cm	exact scale	stated by the retailer	no	listing price	43 cm (27,5")

retailer label

alpha

comparable cm

match

mapping

in stock

variant price

evidence

33 cm (27,5")

—

unknown

unsupported

yes

€699

—

38 cm (27,5")

—

unknown

unsupported

listing price

—

43 cm (27,5")

—

43 cm

exact scale

stated by the retailer

listing price

43 cm (27,5")

mapping	unsupported
reason	"33 cm (27,5")" could not be read as a frame size.

mapping

unsupported

reason

"33 cm (27,5")" could not be read as a frame size.

A shopper asking for: 54 → nothing compatible · 56 → nothing compatible · 58 → nothing compatible · 60 → nothing compatible

Identity

Canonical configuration: Centurion | Backfire Comp 50 Diamant schiefer | Altus | 2024
Confidence: high

brand exact (Centurion)
model normalized to "backfire comp 50 diamant schiefer"
groupset family exact (Altus)
GTIN match (4039645512230)
listings state different model years (2022, 2024); the shared manufacturer barcode says they are one SKU and is trusted over the year fields
2 listings across 2 retailers

retailer	price	sizes in stock
BikeExchange	€589	XXS, XS, S	debug
bikes.de	€699	33 cm (27,5")	debug

retailer

price

sizes in stock

BikeExchange

€589

XXS, XS, S

debug

bikes.de

€699

33 cm (27,5")

debug

Provenance — why we believe each fact

field source evidence

brand retailer:bikes-de / parse Centurion

model retailer:bikes-de / derived Centurion Backfire Comp 50 Diamant schiefer

modelYear retailer:bikes-de / parse Jahr: 2024

category retailer:bikes-de / derived retailer taxonomy

frameMaterial retailer:bikes-de / parse Aluminium

groupsetFamily retailer:bikes-de / dictionary Shimano SL-M315-2L , SL-M315-8R mit Ganganzeige || Shimano Acera RD-M360-SGS 2x8 || Shimano FD-M315-TS Durchmesser: 34.9 mm top-swing

electronicShifting retailer:bikes-de / derived Shimano SL-M315-2L , SL-M315-8R mit Ganganzeige || Shimano Acera RD-M360-SGS 2x8 || Shimano FD-M315-TS Durchmesser: 34.9 mm top-swing

speeds retailer:bikes-de / parse 2x8

brakes retailer:bikes-de / parse Hydraulische Scheibenbremse

suspension retailer:bikes-de / derived suspension fork "SR Suntour XCT ATB pre load adjuster Federweg: 100 mm 1 1/8"" and no rear shock in a 40-field spec table

fork retailer:bikes-de / parse SR Suntour XCT ATB pre load adjuster Federweg: 100 mm 1 1/8" straight

dropperPost retailer:bikes-de / derived seatpost row "PROCRAFT Comp II 27.2 mm Länge: 27.5": 350 mm, 29": 400 mm" names no dropper, in a 40-field spec table

beltDrive retailer:bikes-de / parse KMC

wheelSize retailer:bikes-de / parse 27.5

powerMeter retailer:bikes-de / derived absent from a 40-field spec table

availability retailer:bikes-de / derived 1 of 3 frame sizes offered for shipping by a bikes.de dealer

weightKg ai / ai (0.92) Gewicht: 14,3

field	source	evidence
brand	`retailer:bikes-de` / parse	Centurion
model	`retailer:bikes-de` / derived	Centurion Backfire Comp 50 Diamant schiefer
modelYear	`retailer:bikes-de` / parse	Jahr: 2024
category	`retailer:bikes-de` / derived	retailer taxonomy
frameMaterial	`retailer:bikes-de` / parse	Aluminium
groupsetFamily	`retailer:bikes-de` / dictionary	Shimano SL-M315-2L , SL-M315-8R mit Ganganzeige \|\| Shimano Acera RD-M360-SGS 2x8 \|\| Shimano FD-M315-TS Durchmesser: 34.9 mm top-swing
electronicShifting	`retailer:bikes-de` / derived	Shimano SL-M315-2L , SL-M315-8R mit Ganganzeige \|\| Shimano Acera RD-M360-SGS 2x8 \|\| Shimano FD-M315-TS Durchmesser: 34.9 mm top-swing
speeds	`retailer:bikes-de` / parse	2x8
brakes	`retailer:bikes-de` / parse	Hydraulische Scheibenbremse
suspension	`retailer:bikes-de` / derived	suspension fork "SR Suntour XCT ATB pre load adjuster Federweg: 100 mm 1 1/8"" and no rear shock in a 40-field spec table
fork	`retailer:bikes-de` / parse	SR Suntour XCT ATB pre load adjuster Federweg: 100 mm 1 1/8" straight
dropperPost	`retailer:bikes-de` / derived	seatpost row "PROCRAFT Comp II 27.2 mm Länge: 27.5": 350 mm, 29": 400 mm" names no dropper, in a 40-field spec table
beltDrive	`retailer:bikes-de` / parse	KMC
wheelSize	`retailer:bikes-de` / parse	27.5
powerMeter	`retailer:bikes-de` / derived	absent from a 40-field spec table
availability	`retailer:bikes-de` / derived	1 of 3 frame sizes offered for shipping by a bikes.de dealer
weightKg	`ai` / ai (0.92)	Gewicht: 14,3

Warnings

info single-size-only — Only one size is in stock (33 cm (27,5")).
info wheel-material-unknown — Wheel material could not be established.
info mixed-groupset — Not a uniform groupset: {"shifters":"Altus","rearDerailleur":"Acera","frontDerailleur":"Altus","crank":"Altus"}. Ranked on the shifting level, with a penalty.

Score breakdown

{
  "frameScore": 11,
  "drivetrainScore": 3,
  "wheelScore": 5,
  "extrasScore": 0,
  "suspensionScore": 0,
  "weightAdjustment": 0.1,
  "equipmentValue": 19.1,
  "notes": [
    "Shimano Altus = 7.",
    "Mixed groupset, but no crank or cassette below the family it is ranked as: no penalty.",
    "8-speed -4.",
    "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.",
    "14.3 kg vs 14.4 kg mtb-hardtail reference = +0.1.",
    "Fork series not stated: scored at the bottom of the fork ladder rather than assumed."
  ],
  "marketPrice": 581,
  "valueScore": 0.831,
  "savingsVsMarket": -118
}

AI normalization

{
  "requested": [
    "wheelMaterial",
    "wheelTier",
    "weightKg"
  ],
  "applied": [
    "weightKg"
  ],
  "rejected": [],
  "notes": "Wheel material and tier are not stated; rims are listed as \"PROCRAFT JD 200\" but no material or recognized tier given. Electronic shifting and mixed-groupset status are not explicitly stated in the source. Weight converted from comma to decimal point for value while preserving the verbatim evidence.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Rahmenmaterial lt. Hersteller: Aluminium",
      "confidence": 0.93
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Shimano Acera RD-M360-SGS 2x8",
      "confidence": 0.9
    },
    "groupsetFamily": {
      "value": "Acera",
      "evidence": "Shimano Acera RD-M360-SGS 2x8",
      "confidence": 0.88
    },
    "electronicShifting": {
      "value": null,
      "evidence": null,
      "confidence": 0.25
    },
    "speeds": {
      "value": "16",
      "evidence": "Anzahl Gänge: 16",
      "confidence": 0.95
    },
    "mixedGroupset": {
      "value": null,
      "evidence": null,
      "confidence": 0.25
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 0.2
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 0.2
    },
    "brakes": {
      "value": "hydraulic-disc",
      "evidence": "Bremsen: Hydraulische Scheibenbremse",
      "confidence": 0.95
    },
    "weightKg": {
      "value": "14.3",
      "evidence": "Gewicht: 14,3",
      "confidence": 0.92
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 0.2
    },
    "notes": "Wheel material and tier are not stated; rims are listed as \"PROCRAFT JD 200\" but no material or recognized tier given. Electronic shifting and mixed-groupset status are not explicitly stated in the source. Weight converted from comma to decimal point for value while preserving the verbatim evidence."
  }
}

Normalized record

{
  "id": "bikes-de:centurion-backfire-comp-50-2024",
  "retailer": "bikes-de",
  "retailerProductId": "centurion-backfire-comp-50-2024",
  "productUrl": "https://www.bikes.de/shop/fahrraeder/marke.centurion/centurion-backfire-comp-50-2024/",
  "brand": "Centurion",
  "model": "Backfire Comp 50 Diamant schiefer",
  "modelYear": 2024,
  "category": "mtb",
  "categoryBasis": "route",
  "sourceCategory": "mtb",
  "price": 699,
  "originalPrice": null,
  "currency": "EUR",
  "discountPercent": null,
  "frameMaterial": "aluminium",
  "frameModel": null,
  "frameTier": null,
  "groupsetBrand": "Shimano",
  "groupsetFamily": "Altus",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": 8,
  "mixedGroupset": true,
  "groupsetComponents": {
    "shifters": "Altus",
    "rearDerailleur": "Acera",
    "frontDerailleur": "Altus",
    "crank": "Altus"
  },
  "groupsetTierSpread": 0,
  "crank": "Shimano FC-M315-2 36-22T, Länge: 170 mm (27.5\"), 175 mm (29\")",
  "cassette": "Shimano HG31 11-34T",
  "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": "27.5",
  "wheelset": "VR: PROCRAFT JD 200 IW20 mm, HR: PROCRAFT JD 200 IW20 mm | Shimano HB-TX506 9x100 mm 32H | Shimano FH-TX506 10x135 mm 32H",
  "wheelMaterial": "unknown",
  "wheelTier": "unknown",
  "tyres": "VR: KENDA Small Block 8, 29/27.5x2.10\", HR: KENDA Small Block 8, 29/27.5x2.10\"",
  "weightKg": 14.3,
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "33 cm (27,5\")",
      "size": null,
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": 699
    },
    {
      "rawSize": "38 cm (27,5\")",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": null
    },
    {
      "rawSize": "43 cm (27,5\")",
      "size": "43",
      "sizeCm": 43,
      "inStock": false,
      "stockCount": null,
      "price": null
    }
  ],
  "seller": null,
  "availability": "limited",
  "gtins": [
    "4039645512216",
    "4039645512223",
    "4039645512230"
  ],
  "imageUrl": "https://bikes-opt.b-cdn.net/centurion/2024/1294363_01.jpg",
  "rawTitle": "Centurion Backfire Comp 50 Diamant schiefer",
  "fetchedAt": "2026-09-19T06:03:38.483Z",
  "normalizationConfidence": 0.83,
  "warnings": [
    {
      "code": "single-size-only",
      "message": "Only one size is in stock (33 cm (27,5\")).",
      "severity": "info"
    },
    {
      "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

{
  "Rahmenmaterial lt. Hersteller": "Aluminium",
  "Gabel": "SR Suntour XCT ATB pre load adjuster Federweg: 100 mm 1 1/8\" straight",
  "Gabel Federweg (mm)": "100",
  "Schaltungstyp": "Kettenschaltung",
  "Anzahl Gänge": "16",
  "Umwerfer": "Shimano FD-M315-TS Durchmesser: 34.9 mm top-swing",
  "Schaltwerk": "Shimano Acera RD-M360-SGS 2x8",
  "Schalthebel": "Shimano SL-M315-2L , SL-M315-8R mit Ganganzeige",
  "Zahnkranz": "Shimano HG31 11-34T",
  "Bremsen": "Hydraulische Scheibenbremse",
  "Bremse": "VR: Tektro HD-M275 organic pads, HR: Tektro HD-M275 organic pads",
  "Bremshebel": "Tektro HD-M275",
  "Bremsscheiben": "VR: Tektro TR180-52, HR: Tektro TR180-52",
  "Laufradgröße": "27,5 Zoll",
  "Reifen": "VR: KENDA Small Block 8, 29/27.5x2.10\", HR: KENDA Small Block 8, 29/27.5x2.10\"",
  "Vorderrad-Nabe": "Shimano HB-TX506 9x100 mm 32H",
  "Hinterrad-Nabe": "Shimano FH-TX506 10x135 mm 32H",
  "Felgen": "VR: PROCRAFT JD 200 IW20 mm, HR: PROCRAFT JD 200 IW20 mm",
  "Speichen": "PROCRAFT stainless 2.0",
  "Kette": "KMC Z8.3",
  "Kurbelsatz": "Shimano FC-M315-2 36-22T, Länge: 170 mm (27.5\"), 175 mm (29\")",
  "Pedale": "VP-899",
  "Innenlager": "FSA BB-7420ST 73 mm square type",
  "Lenker": "PROCRAFT Riser Comp Durchmesser: 31.8 mm Breite: 680 mm (27.5\"), 720 mm (29\") Rise: 25 mm",
  "Griffe": "PROCRAFT Sport Comp",
  "Vorbau": "PROCRAFT Comp II Winkel: 7° Länge: 60 mm (XXS), 70 mm (XS), 80 mm (S), 90 mm (M), 100 mm (L)",
  "Steuersatz": "FSA NO.10P",
  "Sattel": "PROCRAFT Sport",
  "Sattelstütze": "PROCRAFT Comp II 27.2 mm Länge: 27.5\": 350 mm, 29\": 400 mm",
  "Straßenzulassung": "Nein",
  "Marke": "Centurion",
  "EAN": "4039645512216",
  "Hersteller Artikelnummer": "42162420",
  "Modellserie Bezeichnung": "Backfire Comp 50",
  "Rahmenform lt. Hersteller": "Diamant",
  "Markenfarbe": "schiefer",
  "Rahmenhöhe": "33 cm (27,5\")",
  "Jahr": "2024",
  "Gewicht": "14,3",
  "Zulässiges Gesamtgewicht": "135"
}

Raw adapter output

{
  "retailer": "bikes-de",
  "retailerProductId": "centurion-backfire-comp-50-2024",
  "productUrl": "https://www.bikes.de/shop/fahrraeder/marke.centurion/centurion-backfire-comp-50-2024/",
  "extractionMethod": "server-html",
  "sourceCategory": "mtb",
  "rawTitle": "Centurion Backfire Comp 50 Diamant schiefer",
  "rawBrand": "Centurion",
  "price": 699,
  "originalPrice": null,
  "currency": "EUR",
  "imageUrl": "https://bikes-opt.b-cdn.net/centurion/2024/1294363_01.jpg",
  "rawSpecifications": {
    "Rahmenmaterial lt. Hersteller": "Aluminium",
    "Gabel": "SR Suntour XCT ATB pre load adjuster Federweg: 100 mm 1 1/8\" straight",
    "Gabel Federweg (mm)": "100",
    "Schaltungstyp": "Kettenschaltung",
    "Anzahl Gänge": "16",
    "Umwerfer": "Shimano FD-M315-TS Durchmesser: 34.9 mm top-swing",
    "Schaltwerk": "Shimano Acera RD-M360-SGS 2x8",
    "Schalthebel": "Shimano SL-M315-2L , SL-M315-8R mit Ganganzeige",
    "Zahnkranz": "Shimano HG31 11-34T",
    "Bremsen": "Hydraulische Scheibenbremse",
    "Bremse": "VR: Tektro HD-M275 organic pads, HR: Tektro HD-M275 organic pads",
    "Bremshebel": "Tektro HD-M275",
    "Bremsscheiben": "VR: Tektro TR180-52, HR: Tektro TR180-52",
    "Laufradgröße": "27,5 Zoll",
    "Reifen": "VR: KENDA Small Block 8, 29/27.5x2.10\", HR: KENDA Small Block 8, 29/27.5x2.10\"",
    "Vorderrad-Nabe": "Shimano HB-TX506 9x100 mm 32H",
    "Hinterrad-Nabe": "Shimano FH-TX506 10x135 mm 32H",
    "Felgen": "VR: PROCRAFT JD 200 IW20 mm, HR: PROCRAFT JD 200 IW20 mm",
    "Speichen": "PROCRAFT stainless 2.0",
    "Kette": "KMC Z8.3",
    "Kurbelsatz": "Shimano FC-M315-2 36-22T, Länge: 170 mm (27.5\"), 175 mm (29\")",
    "Pedale": "VP-899",
    "Innenlager": "FSA BB-7420ST 73 mm square type",
    "Lenker": "PROCRAFT Riser Comp Durchmesser: 31.8 mm Breite: 680 mm (27.5\"), 720 mm (29\") Rise: 25 mm",
    "Griffe": "PROCRAFT Sport Comp",
    "Vorbau": "PROCRAFT Comp II Winkel: 7° Länge: 60 mm (XXS), 70 mm (XS), 80 mm (S), 90 mm (M), 100 mm (L)",
    "Steuersatz": "FSA NO.10P",
    "Sattel": "PROCRAFT Sport",
    "Sattelstütze": "PROCRAFT Comp II 27.2 mm Länge: 27.5\": 350 mm, 29\": 400 mm",
    "Straßenzulassung": "Nein",
    "Marke": "Centurion",
    "EAN": "4039645512216",
    "Hersteller Artikelnummer": "42162420",
    "Modellserie Bezeichnung": "Backfire Comp 50",
    "Rahmenform lt. Hersteller": "Diamant",
    "Markenfarbe": "schiefer",
    "Rahmenhöhe": "33 cm (27,5\")",
    "Jahr": "2024",
    "Gewicht": "14,3",
    "Zulässiges Gesamtgewicht": "135"
  },
  "rawFeatures": [],
  "rawSizes": [
    {
      "rawSize": "33 cm (27,5\")",
      "size": null,
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": 699
    },
    {
      "rawSize": "38 cm (27,5\")",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": null
    },
    {
      "rawSize": "43 cm (27,5\")",
      "size": "43",
      "sizeCm": 43,
      "inStock": false,
      "stockCount": null,
      "price": null
    }
  ],
  "availabilityText": "1 of 3 frame sizes offered for shipping by a bikes.de dealer",
  "fetchedAt": "2026-09-19T06:03:38.483Z",
  "sourceMeta": {
    "dealers": [
      "City-Bike"
    ],
    "listingRows": 1,
    "articleNumbers": [
      "5040"
    ],
    "skus": [
      "4039645512223",
      "4039645512230"
    ],
    "leafCategory": "MTB Hardtails"
  }
}

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