Centurion Backfire Fit R800i EQ

boc:15234309128457 · source URL · confidence 0.83

Eligibility

Cannot win: availability is out-of-stock; no size confirmed in stock; e-bike bikes are not value-ranked yet (no e-bike-specific equipment model)

Size decisions

retailer label	alpha	comparable cm	match	mapping	in stock	variant price	evidence
45 CM	—	45 cm	exact scale	stated by the retailer	no	€3.099,99	45 CM
50 CM	—	50 cm	exact scale	stated by the retailer	no	€3.099,99	50 CM
55 CM	—	55 cm	exact scale	stated by the retailer	no	€3.099,99	55 CM

retailer label

alpha

comparable cm

match

mapping

in stock

variant price

evidence

45 CM

—

45 cm

exact scale

stated by the retailer

€3.099,99

45 CM

50 CM

—

50 cm

exact scale

stated by the retailer

€3.099,99

50 CM

55 CM

—

55 cm

exact scale

stated by the retailer

€3.099,99

55 CM

A shopper asking for: 54 → 55 CM fits but sold out · 56 → 55 CM fits but sold out · 58 → nothing compatible · 60 → nothing compatible

Identity

Only listing of this configuration — nothing to merge.

Provenance — why we believe each fact

field source evidence

brand retailer:boc / parse CENTURION

model retailer:boc / derived Centurion Backfire Fit R800i EQ

category retailer:boc / derived retailer taxonomy

frameMaterial retailer:boc / parse Aluminium

groupsetFamily retailer:boc / dictionary Shimano Cues

electronicShifting retailer:boc / derived Shimano Cues

speeds retailer:boc / parse model code LG400

brakeTier retailer:boc / dictionary MT520

brakePistons retailer:boc / parse Shimano caliper code MT520

suspension retailer:boc / derived no suspension fork and no rear shock on a drop-bar listing

dropperPost retailer:boc / derived seatpost row "PROCRAFT Pro II | * Durchmesser: 30.9mm * Länge: 350mm (S, M" names no dropper, in a 44-field spec table

beltDrive retailer:boc / parse CN-LG5

rack retailer:boc / parse CENTURION Racktime Snapit 2.0 Pro

mudguards retailer:boc / parse CURANA Apollo 75

chaincase retailer:boc / parse SHIMANO OT-SP41

kickstand retailer:boc / parse PROCRAFT Edge FS

lighting retailer:boc / parse LEZYNE Mini STVZO E65 | * 210 Lumen

wheelSize retailer:boc / parse 29

weightKg retailer:boc / parse Gewicht Kg. ca.: 25 kg

powerMeter retailer:boc / derived absent from a 44-field spec table

availability retailer:boc / derived all variants sold out

ebike.motor retailer:boc / parse Bosch Performance Line CX

ebike.battery.capacityWh retailer:boc / parse 750 Wh

ebike.battery.integration retailer:boc / parse PowerTube

ebike.eDiscipline retailer:boc / parse shelf: Hardtail E-Mountainbikes

ebike.display retailer:boc / parse Display: Bosch Intuvia 100

ebike.maxSystemWeightKg retailer:boc / parse zulässiges Gesamtgewicht Kg: 150 kg

ebike.frameShape retailer:boc / parse Diamant

brakes ai / ai (1) Hydraulische Shimano MT520 Scheibenbremse

field	source	evidence
brand	`retailer:boc` / parse	CENTURION
model	`retailer:boc` / derived	Centurion Backfire Fit R800i EQ
category	`retailer:boc` / derived	retailer taxonomy
frameMaterial	`retailer:boc` / parse	Aluminium
groupsetFamily	`retailer:boc` / dictionary	Shimano Cues
electronicShifting	`retailer:boc` / derived	Shimano Cues
speeds	`retailer:boc` / parse	model code LG400
brakeTier	`retailer:boc` / dictionary	MT520
brakePistons	`retailer:boc` / parse	Shimano caliper code MT520
suspension	`retailer:boc` / derived	no suspension fork and no rear shock on a drop-bar listing
dropperPost	`retailer:boc` / derived	seatpost row "PROCRAFT Pro II \| * Durchmesser: 30.9mm * Länge: 350mm (S, M" names no dropper, in a 44-field spec table
beltDrive	`retailer:boc` / parse	CN-LG5
rack	`retailer:boc` / parse	CENTURION Racktime Snapit 2.0 Pro
mudguards	`retailer:boc` / parse	CURANA Apollo 75
chaincase	`retailer:boc` / parse	SHIMANO OT-SP41
kickstand	`retailer:boc` / parse	PROCRAFT Edge FS
lighting	`retailer:boc` / parse	LEZYNE Mini STVZO E65 \| * 210 Lumen
wheelSize	`retailer:boc` / parse	29
weightKg	`retailer:boc` / parse	Gewicht Kg. ca.: 25 kg
powerMeter	`retailer:boc` / derived	absent from a 44-field spec table
availability	`retailer:boc` / derived	all variants sold out
ebike.motor	`retailer:boc` / parse	Bosch Performance Line CX
ebike.battery.capacityWh	`retailer:boc` / parse	750 Wh
ebike.battery.integration	`retailer:boc` / parse	PowerTube
ebike.eDiscipline	`retailer:boc` / parse	shelf: Hardtail E-Mountainbikes
ebike.display	`retailer:boc` / parse	Display: Bosch Intuvia 100
ebike.maxSystemWeightKg	`retailer:boc` / parse	zulässiges Gesamtgewicht Kg: 150 kg
ebike.frameShape	`retailer:boc` / parse	Diamant
brakes	`ai` / ai (1)	Hydraulische Shimano MT520 Scheibenbremse

Warnings

info wheel-material-unknown — Wheel material could not be established.

Score breakdown

{
  "frameScore": 11,
  "drivetrainScore": 8,
  "wheelScore": 5,
  "extrasScore": 0,
  "suspensionScore": 0,
  "weightAdjustment": -3,
  "equipmentValue": 21,
  "notes": [
    "Shimano CUES = 11.",
    "10-speed -3.",
    "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.",
    "25 kg vs 14.4 kg mtb-hardtail reference = -3.",
    "Fork series not stated: scored at the bottom of the fork ladder rather than assumed.",
    "Brake series \"basic\" +0."
  ],
  "marketPrice": null,
  "valueScore": null,
  "savingsVsMarket": null
}

AI normalization

{
  "requested": [
    "wheelMaterial",
    "wheelTier",
    "brakes"
  ],
  "applied": [
    "brakes"
  ],
  "rejected": [],
  "notes": "The PROCRAFT MD25 wheelset is named, but its material and a defensible wheel-tier classification are not stated. The Shimano Cues shifter/derailleur and CENTURION crank indicate a mixed component setup.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Rahmenmaterial: Aluminium",
      "confidence": 1
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Schalthebel: Shimano Cues",
      "confidence": 1
    },
    "groupsetFamily": {
      "value": "CUES",
      "evidence": "Schaltung: Shimano Cues",
      "confidence": 1
    },
    "electronicShifting": {
      "value": null,
      "evidence": null,
      "confidence": 0.98
    },
    "speeds": {
      "value": "11",
      "evidence": "Anzahl Gänge: 11",
      "confidence": 1
    },
    "mixedGroupset": {
      "value": "true",
      "evidence": "Kurbelgarnitur: CENTURION R Pro II Gen4",
      "confidence": 0.88
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 0.99
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 0.99
    },
    "brakes": {
      "value": "hydraulic-disc",
      "evidence": "Hydraulische Shimano MT520 Scheibenbremse",
      "confidence": 1
    },
    "weightKg": {
      "value": "25.0",
      "evidence": "Gewicht Kg. ca.: 25 kg",
      "confidence": 1
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 0.99
    },
    "notes": "The PROCRAFT MD25 wheelset is named, but its material and a defensible wheel-tier classification are not stated. The Shimano Cues shifter/derailleur and CENTURION crank indicate a mixed component setup."
  }
}

Normalized record

{
  "id": "boc:15234309128457",
  "retailer": "boc",
  "retailerProductId": "15234309128457",
  "productUrl": "https://boc24.de/products/centurion-backfire-fit-r800i-eq",
  "brand": "Centurion",
  "model": "Backfire Fit R800i EQ",
  "modelYear": null,
  "category": "e-bike",
  "categoryBasis": "route",
  "sourceCategory": "e-bike",
  "price": 3099.99,
  "originalPrice": 4399,
  "currency": "EUR",
  "discountPercent": 30,
  "frameMaterial": "aluminium",
  "frameModel": null,
  "frameTier": null,
  "groupsetBrand": "Shimano",
  "groupsetFamily": "CUES",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": 10,
  "mixedGroupset": false,
  "groupsetComponents": {
    "shifters": "CUES",
    "cassette": "CUES"
  },
  "groupsetTierSpread": 0,
  "crank": "CENTURION R Pro II Gen4 | * mattschwarz/Alu gebürstet * Länge: 170mm (S), 175mm (M, L, XL) * CK-790",
  "cassette": "SHIMANO CS-LG400-11 | * 11-50T",
  "brakes": "hydraulic-disc",
  "brakePistons": 4,
  "brakeTier": "basic",
  "suspension": "none",
  "fork": null,
  "rearShock": null,
  "dropperPost": false,
  "beltDrive": false,
  "hubDynamo": null,
  "rack": true,
  "mudguards": true,
  "chaincase": true,
  "kickstand": true,
  "lighting": true,
  "wheelSize": "29",
  "wheelset": "PROCRAFT MD25 | * IW 25mm * tubeless ready",
  "wheelMaterial": "unknown",
  "wheelTier": "unknown",
  "tyres": "SCHWALBE Smart Sam 29x2.25\" | * Performance Line mit Reflex",
  "weightKg": 25,
  "ebike": {
    "motor": {
      "text": "Bosch Performance Line CX",
      "brand": "bosch",
      "model": null,
      "position": "unknown",
      "torqueNm": null,
      "torqueSource": null,
      "ratedPowerW": null,
      "peakPowerW": null
    },
    "battery": {
      "text": "750 Wh | BOSCH PowerTube 750Wh; Größe S: 625Wh",
      "capacityWh": 750,
      "count": 1,
      "integration": "integrated",
      "removable": null
    },
    "speedClass": "unknown",
    "rangeExtender": "unknown",
    "display": "Bosch Intuvia 100",
    "abs": null,
    "autoShift": null,
    "statedRangeKm": null,
    "eDiscipline": "e-mtb",
    "eDisciplineBasis": "leaf",
    "frameShape": "diamond",
    "cargoType": "unknown",
    "maxSystemWeightKg": 150,
    "rackCapacityKg": null,
    "weightIncludesBattery": null
  },
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "45 CM",
      "size": "45",
      "sizeCm": 45,
      "inStock": false,
      "stockCount": null,
      "price": 3099.99,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "50 CM",
      "size": "50",
      "sizeCm": 50,
      "inStock": false,
      "stockCount": null,
      "price": 3099.99,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "55 CM",
      "size": "55",
      "sizeCm": 55,
      "inStock": false,
      "stockCount": null,
      "price": 3099.99,
      "preorder": false,
      "deliveryNote": null
    }
  ],
  "seller": null,
  "availability": "out-of-stock",
  "gtins": [],
  "imageUrl": "https://cdn.shopify.com/s/files/1/0582/1677/5854/files/az_CenturionBackfirefitR800iEQ-0-lagunagruen-237708.jpg?v=1782604697",
  "rawTitle": "Centurion Backfire Fit R800i EQ",
  "fetchedAt": "2026-09-26T05:58:15.305Z",
  "normalizationConfidence": 0.83,
  "warnings": [
    {
      "code": "wheel-material-unknown",
      "message": "Wheel material could not be established.",
      "severity": "info"
    }
  ],
  "ebikeAi": {
    "requested": [
      "motorModel",
      "speedClass"
    ],
    "applied": [],
    "rejected": [],
    "notes": "The source lists a 750 Wh battery but also states \"Größe S: 625Wh\", so the installed capacity cannot be determined without the frame size. The exact Bosch motor model, speed class, and battery integration are not established.",
    "raw": {
      "motorBrand": {
        "value": "bosch",
        "evidence": "Kraftvoller Bosch Performance Line CX Motor",
        "confidence": 1
      },
      "motorModel": {
        "value": null,
        "evidence": null,
        "confidence": 1
      },
      "batteryWh": {
        "value": null,
        "evidence": null,
        "confidence": 1
      },
      "speedClass": {
        "value": null,
        "evidence": null,
        "confidence": 1
      },
      "batteryIntegration": {
        "value": null,
        "evidence": null,
        "confidence": 1
      },
      "frameShape": {
        "value": "diamond",
        "evidence": "Rahmenform: Diamant",
        "confidence": 1
      },
      "notes": "The source lists a 750 Wh battery but also states \"Größe S: 625Wh\", so the installed capacity cannot be determined without the frame size. The exact Bosch motor model, speed class, and battery integration are not established."
    }
  }
}

Parsed specification table

{
  "Ausstattung": "Kraftvoller Bosch Performance Line CX Motor Leistungsstarker Bosch PowerTube 750 Wh Akku Hydraulische Shimano MT520 Scheibenbremse Hochwertige Shimano Cues Kettenschaltung Zuverlässige Schwalbe Smart Sam Reifen",
  "Akkukapazität": "750 Wh",
  "Anzahl Gänge": "11",
  "Artikelmarke": "Centurion",
  "Batterie": "BOSCH PowerTube 750Wh; Größe S: 625Wh",
  "Beleuchtung": "LEZYNE Mini STVZO E65 | * 210 Lumen",
  "Bereifung": "SCHWALBE Smart Sam 29x2.25\" | * Performance Line mit Reflex",
  "Bremsen": "Shimano MT520",
  "Bremshebel": "SHIMANO BL-MT501",
  "Bremsscheibe hinten": "SHIMANO RT-EM600 | * 180mm Centerlock",
  "Bremsscheibe vorne": "SHIMANO Deore SM-RT64 | * 203mm Centerlock",
  "Display": "Bosch Intuvia 100",
  "Gepäckträger": "CENTURION Racktime Snapit 2.0 Pro",
  "Geschlecht": "Unisex",
  "Gewicht Kg. ca.": "25 kg",
  "Griffe": "PROCRAFT Comfort Comp II",
  "Hinterradnabe": "SHIMANO HB-TC500-15-B | * 15x110mm * 32H",
  "Kassette": "SHIMANO CS-LG400-11 | * 11-50T",
  "Kette": "Shimano CN-LG500",
  "Kettenschutz": "SHIMANO OT-SP41",
  "Klingel": "PROCRAFT Megaping",
  "Kurbelgarnitur": "CENTURION R Pro II Gen4 | * mattschwarz/Alu gebürstet * Länge: 170mm (S), 175mm (M, L, XL) * CK-790",
  "Ladegerät": "Bosch Standard Charger",
  "Laufräder": "PROCRAFT MD25 | * IW 25mm * tubeless ready",
  "Laufradgröße": "29 Zoll",
  "Lenker": "PROCRAFT Trail Pro 35 | * Durchmesser: 35mm * Breite: 720mm * Rise: 20m",
  "Motor": "Bosch Performance Line CX",
  "Pedale": "VP VPE-527",
  "Rahmenform": "Diamant",
  "Rahmenmaterial": "Aluminium",
  "Rücklicht": "AXA Juno",
  "Sattel": "PROCRAFT Cross Sport II",
  "Sattelklemme": "PROCRAFT SC-119A | * Durchmesser: 34.9mm",
  "Sattelstütze": "PROCRAFT Pro II | * Durchmesser: 30.9mm * Länge: 350mm (S, M), 400mm (L, XL)",
  "Schalthebel": "Shimano Cues",
  "Schaltung": "Shimano Cues",
  "Schaltungstyp": "Kettenschaltung",
  "Schutzblech": "CURANA Apollo 75",
  "Speichen": "PROCRAFT stainless 2.0",
  "Ständer": "PROCRAFT Edge FS",
  "Steuersatz": "ACROS AZX | * AICR * tapered 1.5\" - 1.8\" * top ID56/OD62, bottom ID66/OD74",
  "Vorbau": "ACROS AZX | * AICR * tapered 1.5\" - 1.8\" * top ID56/OD62, bottom ID66/OD74",
  "Vorderradnabe": "SHIMANO FH-TC500-HM-B | * 12x148mm * 32H",
  "zulässiges Gesamtgewicht Kg": "150 kg"
}

Raw adapter output

{
  "retailer": "boc",
  "retailerProductId": "15234309128457",
  "productUrl": "https://boc24.de/products/centurion-backfire-fit-r800i-eq",
  "extractionMethod": "public-json-api",
  "sourceCategory": "e-bike",
  "rawTitle": "Centurion Backfire Fit R800i EQ",
  "rawBrand": "CENTURION",
  "price": 3099.99,
  "originalPrice": 4399,
  "currency": "EUR",
  "imageUrl": "https://cdn.shopify.com/s/files/1/0582/1677/5854/files/az_CenturionBackfirefitR800iEQ-0-lagunagruen-237708.jpg?v=1782604697",
  "rawSpecifications": {
    "Ausstattung": "Kraftvoller Bosch Performance Line CX Motor Leistungsstarker Bosch PowerTube 750 Wh Akku Hydraulische Shimano MT520 Scheibenbremse Hochwertige Shimano Cues Kettenschaltung Zuverlässige Schwalbe Smart Sam Reifen",
    "Akkukapazität": "750 Wh",
    "Anzahl Gänge": "11",
    "Artikelmarke": "Centurion",
    "Batterie": "BOSCH PowerTube 750Wh; Größe S: 625Wh",
    "Beleuchtung": "LEZYNE Mini STVZO E65 | * 210 Lumen",
    "Bereifung": "SCHWALBE Smart Sam 29x2.25\" | * Performance Line mit Reflex",
    "Bremsen": "Shimano MT520",
    "Bremshebel": "SHIMANO BL-MT501",
    "Bremsscheibe hinten": "SHIMANO RT-EM600 | * 180mm Centerlock",
    "Bremsscheibe vorne": "SHIMANO Deore SM-RT64 | * 203mm Centerlock",
    "Display": "Bosch Intuvia 100",
    "Gepäckträger": "CENTURION Racktime Snapit 2.0 Pro",
    "Geschlecht": "Unisex",
    "Gewicht Kg. ca.": "25 kg",
    "Griffe": "PROCRAFT Comfort Comp II",
    "Hinterradnabe": "SHIMANO HB-TC500-15-B | * 15x110mm * 32H",
    "Kassette": "SHIMANO CS-LG400-11 | * 11-50T",
    "Kette": "Shimano CN-LG500",
    "Kettenschutz": "SHIMANO OT-SP41",
    "Klingel": "PROCRAFT Megaping",
    "Kurbelgarnitur": "CENTURION R Pro II Gen4 | * mattschwarz/Alu gebürstet * Länge: 170mm (S), 175mm (M, L, XL) * CK-790",
    "Ladegerät": "Bosch Standard Charger",
    "Laufräder": "PROCRAFT MD25 | * IW 25mm * tubeless ready",
    "Laufradgröße": "29 Zoll",
    "Lenker": "PROCRAFT Trail Pro 35 | * Durchmesser: 35mm * Breite: 720mm * Rise: 20m",
    "Motor": "Bosch Performance Line CX",
    "Pedale": "VP VPE-527",
    "Rahmenform": "Diamant",
    "Rahmenmaterial": "Aluminium",
    "Rücklicht": "AXA Juno",
    "Sattel": "PROCRAFT Cross Sport II",
    "Sattelklemme": "PROCRAFT SC-119A | * Durchmesser: 34.9mm",
    "Sattelstütze": "PROCRAFT Pro II | * Durchmesser: 30.9mm * Länge: 350mm (S, M), 400mm (L, XL)",
    "Schalthebel": "Shimano Cues",
    "Schaltung": "Shimano Cues",
    "Schaltungstyp": "Kettenschaltung",
    "Schutzblech": "CURANA Apollo 75",
    "Speichen": "PROCRAFT stainless 2.0",
    "Ständer": "PROCRAFT Edge FS",
    "Steuersatz": "ACROS AZX | * AICR * tapered 1.5\" - 1.8\" * top ID56/OD62, bottom ID66/OD74",
    "Vorbau": "ACROS AZX | * AICR * tapered 1.5\" - 1.8\" * top ID56/OD62, bottom ID66/OD74",
    "Vorderradnabe": "SHIMANO FH-TC500-HM-B | * 12x148mm * 32H",
    "zulässiges Gesamtgewicht Kg": "150 kg"
  },
  "rawFeatures": [
    "Das Backfire Fit ist die perfekte Kombination aus Komfort und Freizeitspaß. Es eignet sich sowohl für entspannte Touren auf geteerten Routen als auch für Forst- und Waldwege. Dank EQ-Vollausstattung macht es auch im Alltag eine prima Figur."
  ],
  "rawSizes": [
    {
      "rawSize": "45 CM",
      "size": "45",
      "sizeCm": 45,
      "inStock": false,
      "stockCount": null,
      "price": 3099.99,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "50 CM",
      "size": "50",
      "sizeCm": 50,
      "inStock": false,
      "stockCount": null,
      "price": 3099.99,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "55 CM",
      "size": "55",
      "sizeCm": 55,
      "inStock": false,
      "stockCount": null,
      "price": 3099.99,
      "preorder": false,
      "deliveryNote": null
    }
  ],
  "availabilityText": "all variants sold out",
  "fetchedAt": "2026-09-26T05:58:15.305Z",
  "sourceMeta": {
    "shopifyProductId": 15234309128457,
    "handle": "centurion-backfire-fit-r800i-eq",
    "productType": "WG1",
    "variantSkus": [
      "237708-1",
      "237708-2",
      "237708-3"
    ]
  },
  "listingPath": [
    "E-Bikes",
    "E-Mountainbikes",
    "Hardtail E-Mountainbikes"
  ]
}

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