Centurion Backfire E R2700i 750

boc:15477737259273 · 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	€2.549,99	45 CM
50 CM	—	50 cm	exact scale	stated by the retailer	no	€2.549,99	50 CM
55 CM	—	55 cm	exact scale	stated by the retailer	no	€2.549,99	55 CM

retailer label

alpha

comparable cm

match

mapping

in stock

variant price

evidence

45 CM

—

45 cm

exact scale

stated by the retailer

€2.549,99

45 CM

50 CM

—

50 cm

exact scale

stated by the retailer

€2.549,99

50 CM

55 CM

—

55 cm

exact scale

stated by the retailer

€2.549,99

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 E R2700i 750

modelYear retailer:boc / parse Modelljahr: 2022

category retailer:boc / derived retailer taxonomy

frameMaterial retailer:boc / parse Aluminium

groupsetFamily retailer:boc / dictionary Shimano Deore XT || Shimano Deore XT

electronicShifting retailer:boc / derived Shimano Deore XT || Shimano Deore XT

brakePistons retailer:boc / parse 4-Kolben

suspension retailer:boc / derived suspension fork "FOX AWL eMTB+" and no rear shock in a 46-field spec table

fork retailer:boc / parse FOX AWL eMTB+

dropperPost retailer:boc / derived seatpost row "PROCRAFT Drop Pro" names no dropper, in a 46-field spec table

beltDrive retailer:boc / parse CN-LG5

lighting retailer:boc / parse LEZYNE Power STVZO E115

wheelSize retailer:boc / parse 29

powerMeter retailer:boc / derived absent from a 46-field spec table

availability retailer:boc / derived all variants sold out

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

ebike.motor.position retailer:boc / parse Mittelmotor

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

ebike.frameShape retailer:boc / parse Diamant

brakes ai / ai (1) Hydraulische Shimano Deore Scheibenbremsen

speeds ai / ai (1) Anzahl Gänge: 11

field	source	evidence
brand	`retailer:boc` / parse	CENTURION
model	`retailer:boc` / derived	Centurion Backfire E R2700i 750
modelYear	`retailer:boc` / parse	Modelljahr: 2022
category	`retailer:boc` / derived	retailer taxonomy
frameMaterial	`retailer:boc` / parse	Aluminium
groupsetFamily	`retailer:boc` / dictionary	Shimano Deore XT \|\| Shimano Deore XT
electronicShifting	`retailer:boc` / derived	Shimano Deore XT \|\| Shimano Deore XT
brakePistons	`retailer:boc` / parse	4-Kolben
suspension	`retailer:boc` / derived	suspension fork "FOX AWL eMTB+" and no rear shock in a 46-field spec table
fork	`retailer:boc` / parse	FOX AWL eMTB+
dropperPost	`retailer:boc` / derived	seatpost row "PROCRAFT Drop Pro" names no dropper, in a 46-field spec table
beltDrive	`retailer:boc` / parse	CN-LG5
lighting	`retailer:boc` / parse	LEZYNE Power STVZO E115
wheelSize	`retailer:boc` / parse	29
powerMeter	`retailer:boc` / derived	absent from a 46-field spec table
availability	`retailer:boc` / derived	all variants sold out
ebike.motor	`retailer:boc` / parse	Bosch Performance Line CX \| Bosch
ebike.motor.position	`retailer:boc` / parse	Mittelmotor
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.maxSystemWeightKg	`retailer:boc` / parse	zulässiges Gesamtgewicht Kg: 150 kg
ebike.frameShape	`retailer:boc` / parse	Diamant
brakes	`ai` / ai (1)	Hydraulische Shimano Deore Scheibenbremsen
speeds	`ai` / ai (1)	Anzahl Gänge: 11

Warnings

info suspicious-discount — Claimed 49% off. Treated as context only; it does not affect the ranking.
info wheel-material-unknown — Wheel material could not be established.

Score breakdown

{
  "frameScore": 11,
  "drivetrainScore": 21,
  "wheelScore": 5,
  "extrasScore": 0,
  "suspensionScore": 0,
  "weightAdjustment": 0,
  "equipmentValue": 37,
  "notes": [
    "Shimano XT = 23.",
    "11-speed -2.",
    "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.",
    "Weight not published: no weight adjustment either way.",
    "Fork series not stated: scored at the bottom of the fork ladder rather than assumed."
  ],
  "marketPrice": null,
  "valueScore": null,
  "savingsVsMarket": null
}

AI normalization

{
  "requested": [
    "wheelMaterial",
    "wheelTier",
    "brakes",
    "weightKg"
  ],
  "applied": [
    "brakes"
  ],
  "rejected": [],
  "notes": "Wheel material and wheelset model are not specified. The crankset is named Centurion while the shifter and derailleurs are Shimano Deore XT, so the groupset is mixed. The source contains a battery-capacity discrepancy: 750 Wh is stated in several places, while the Batterie line states 625 Wh for size S and 750 Wh for sizes M, L, XL. The retailer also warns that components may be replaced.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Rahmenmaterial: Aluminium",
      "confidence": 1
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Hochwertige Shimano XT Kettenschaltung",
      "confidence": 1
    },
    "groupsetFamily": {
      "value": "XT",
      "evidence": "Hochwertige Shimano XT Kettenschaltung",
      "confidence": 1
    },
    "electronicShifting": {
      "value": "false",
      "evidence": "Schaltungstyp: Kettenschaltung",
      "confidence": 0.98
    },
    "speeds": {
      "value": "11",
      "evidence": "Anzahl Gänge: 11",
      "confidence": 1
    },
    "mixedGroupset": {
      "value": "true",
      "evidence": "Kurbelgarnitur: Centurion Pro II Gen4",
      "confidence": 0.9
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "brakes": {
      "value": "hydraulic-disc",
      "evidence": "Hydraulische Shimano Deore Scheibenbremsen",
      "confidence": 1
    },
    "weightKg": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "notes": "Wheel material and wheelset model are not specified. The crankset is named Centurion while the shifter and derailleurs are Shimano Deore XT, so the groupset is mixed. The source contains a battery-capacity discrepancy: 750 Wh is stated in several places, while the Batterie line states 625 Wh for size S and 750 Wh for sizes M, L, XL. The retailer also warns that components may be replaced."
  }
}

Normalized record

{
  "id": "boc:15477737259273",
  "retailer": "boc",
  "retailerProductId": "15477737259273",
  "productUrl": "https://boc24.de/products/centurion-backfire-e-r2700i-750",
  "brand": "Centurion",
  "model": "Backfire E R2700i 750",
  "modelYear": 2022,
  "category": "e-bike",
  "categoryBasis": "route",
  "sourceCategory": "e-bike",
  "price": 2549.99,
  "originalPrice": 4999,
  "currency": "EUR",
  "discountPercent": 49,
  "frameMaterial": "aluminium",
  "frameModel": "Backfire R intube II",
  "frameTier": null,
  "groupsetBrand": "Shimano",
  "groupsetFamily": "XT",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": 11,
  "mixedGroupset": false,
  "groupsetComponents": {
    "shifters": "XT",
    "rearDerailleur": "XT",
    "cassette": "XT"
  },
  "groupsetTierSpread": 0,
  "crank": "Centurion Pro II Gen4",
  "cassette": "Shimano Deore XT",
  "brakes": "hydraulic-disc",
  "brakePistons": 4,
  "brakeTier": "unknown",
  "suspension": "front",
  "fork": {
    "make": "FOX",
    "line": null,
    "tier": "unknown",
    "travelMm": 110
  },
  "rearShock": null,
  "dropperPost": false,
  "beltDrive": false,
  "hubDynamo": null,
  "rack": null,
  "mudguards": null,
  "chaincase": null,
  "kickstand": null,
  "lighting": true,
  "wheelSize": "29",
  "wheelset": null,
  "wheelMaterial": "unknown",
  "wheelTier": "unknown",
  "tyres": "Maxxis Ardent, 29x2.4\"/Maxxis Ardent, 29x2.4\"",
  "weightKg": null,
  "ebike": {
    "motor": {
      "text": "Bosch Performance Line CX | Bosch",
      "brand": "bosch",
      "model": null,
      "position": "mid",
      "torqueNm": null,
      "torqueSource": null,
      "ratedPowerW": null,
      "peakPowerW": null
    },
    "battery": {
      "text": "750 Wh | Bosch PowerTube 625 Wh (S), 750Wh (M, L, XL)",
      "capacityWh": 750,
      "count": 1,
      "integration": "integrated",
      "removable": null
    },
    "speedClass": "unknown",
    "rangeExtender": "unknown",
    "display": null,
    "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": 2549.99,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "50 CM",
      "size": "50",
      "sizeCm": 50,
      "inStock": false,
      "stockCount": null,
      "price": 2549.99,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "55 CM",
      "size": "55",
      "sizeCm": 55,
      "inStock": false,
      "stockCount": null,
      "price": 2549.99,
      "preorder": false,
      "deliveryNote": null
    }
  ],
  "seller": null,
  "availability": "out-of-stock",
  "gtins": [],
  "imageUrl": "https://cdn.shopify.com/s/files/1/0582/1677/5854/files/az_Centurion-Backfire-R2700i-750-0-GRAUANTHRAZIT-223822.jpg?v=1782604618",
  "rawTitle": "Centurion Backfire E R2700i 750",
  "fetchedAt": "2026-09-26T05:56:16.182Z",
  "normalizationConfidence": 0.83,
  "warnings": [
    {
      "code": "suspicious-discount",
      "message": "Claimed 49% off. Treated as context only; it does not affect the ranking.",
      "severity": "info"
    },
    {
      "code": "wheel-material-unknown",
      "message": "Wheel material could not be established.",
      "severity": "info"
    }
  ],
  "ebikeAi": {
    "requested": [
      "motorModel",
      "speedClass"
    ],
    "applied": [],
    "rejected": [],
    "notes": "The source names a Bosch Performance Line CX motor but does not establish an exact motor model or speed class. Battery capacity varies by frame size in the specifications: 625 Wh for S and 750 Wh for M, L, and XL.",
    "raw": {
      "motorBrand": {
        "value": "bosch",
        "evidence": "Motormarke: Bosch",
        "confidence": 1
      },
      "motorModel": {
        "value": null,
        "evidence": null,
        "confidence": 0
      },
      "batteryWh": {
        "value": "750",
        "evidence": "Akkukapazität: 750 Wh",
        "confidence": 1
      },
      "speedClass": {
        "value": null,
        "evidence": null,
        "confidence": 0
      },
      "batteryIntegration": {
        "value": "external",
        "evidence": "Akkumontage: Abnehmbarer Akku und am Rahmen",
        "confidence": 0.95
      },
      "frameShape": {
        "value": "diamond",
        "evidence": "Rahmenform: Diamant",
        "confidence": 1
      },
      "notes": "The source names a Bosch Performance Line CX motor but does not establish an exact motor model or speed class. Battery capacity varies by frame size in the specifications: 625 Wh for S and 750 Wh for M, L, and XL."
    }
  }
}

Parsed specification table

{
  "Ausstattung": "Kraftvoller Bosch Performance Line CX Motor Leistungsstarker Bosch PowerTube 750Wh Akku Hochwertige Shimano XT Kettenschaltung Hydraulische Shimano Deore Scheibenbremsen Hochwertige Fox Luftgabel",
  "Akkukapazität": "750 Wh",
  "Akkumontage": "Abnehmbarer Akku und am Rahmen",
  "Anzahl Gänge": "11",
  "Artikelmarke": "Centurion",
  "Batterie": "Bosch PowerTube 625 Wh (S), 750Wh (M, L, XL)",
  "Bauweise": "Unisex",
  "Beleuchtung": "LEZYNE Power STVZO E115",
  "Beleuchtungvorhanden": "Ja",
  "Bereifung": "Maxxis Ardent, 29x2.4\"/Maxxis Ardent, 29x2.4\"",
  "Bremsen": "Shimano Deore 4-Kolben",
  "Bremshebel": "Shimano Deore",
  "Einsatzbereich": "Mountainbikes",
  "Federung vorhanden": "Ja",
  "Federweg vorne": "110 mm",
  "Gabel": "FOX AWL eMTB+",
  "Gepäckträger vorhanden": "Ja",
  "Geschlecht": "Unisex",
  "Griffe": "PROCRAFT Sport Pro",
  "Kassette": "Shimano Deore XT",
  "Kette": "Shimano CN-LG500",
  "Kurbelgarnitur": "Centurion Pro II Gen4",
  "Laufradgröße": "29 Zoll",
  "Lenker": "PROCRAFT Trail Pro 35",
  "Modelljahr": "2022",
  "Motor": "Bosch Performance Line CX",
  "Motormarke": "Bosch",
  "Motorposition": "Mittelmotor",
  "Pedale": "VP-527",
  "Rahmen": "Backfire R intube II",
  "Rahmenform": "Diamant",
  "Rahmenmaterial": "Aluminium",
  "Reifen hinten": "Maxxis Ardent, 29x2.4\"",
  "Reifen vorne": "Maxxis Ardent, 29x2.4\"",
  "Sattel": "PROCRAFT Race",
  "Sattelstütze": "PROCRAFT Drop Pro",
  "Schalthebel": "Shimano Deore XT",
  "Schaltung": "Shimano Deore XT",
  "Schaltungstyp": "Kettenschaltung",
  "Schaltwerk": "Shimano Deore XT",
  "Schutzblech vorhanden": "Nein",
  "Speichen": "PROCRAFT stainless 2.0",
  "Steuersatz": "ACROS AZX",
  "Vorbau": "Procraft Trail Expert 35 AICR",
  "weitere Beleuchtung": "LEZYNE Femto STVZO",
  "zulässiges Gesamtgewicht Kg": "150 kg"
}

Raw adapter output

{
  "retailer": "boc",
  "retailerProductId": "15477737259273",
  "productUrl": "https://boc24.de/products/centurion-backfire-e-r2700i-750",
  "extractionMethod": "public-json-api",
  "sourceCategory": "e-bike",
  "rawTitle": "Centurion Backfire E R2700i 750",
  "rawBrand": "CENTURION",
  "price": 2549.99,
  "originalPrice": 4999,
  "currency": "EUR",
  "imageUrl": "https://cdn.shopify.com/s/files/1/0582/1677/5854/files/az_Centurion-Backfire-R2700i-750-0-GRAUANTHRAZIT-223822.jpg?v=1782604618",
  "rawSpecifications": {
    "Ausstattung": "Kraftvoller Bosch Performance Line CX Motor Leistungsstarker Bosch PowerTube 750Wh Akku Hochwertige Shimano XT Kettenschaltung Hydraulische Shimano Deore Scheibenbremsen Hochwertige Fox Luftgabel",
    "Akkukapazität": "750 Wh",
    "Akkumontage": "Abnehmbarer Akku und am Rahmen",
    "Anzahl Gänge": "11",
    "Artikelmarke": "Centurion",
    "Batterie": "Bosch PowerTube 625 Wh (S), 750Wh (M, L, XL)",
    "Bauweise": "Unisex",
    "Beleuchtung": "LEZYNE Power STVZO E115",
    "Beleuchtungvorhanden": "Ja",
    "Bereifung": "Maxxis Ardent, 29x2.4\"/Maxxis Ardent, 29x2.4\"",
    "Bremsen": "Shimano Deore 4-Kolben",
    "Bremshebel": "Shimano Deore",
    "Einsatzbereich": "Mountainbikes",
    "Federung vorhanden": "Ja",
    "Federweg vorne": "110 mm",
    "Gabel": "FOX AWL eMTB+",
    "Gepäckträger vorhanden": "Ja",
    "Geschlecht": "Unisex",
    "Griffe": "PROCRAFT Sport Pro",
    "Kassette": "Shimano Deore XT",
    "Kette": "Shimano CN-LG500",
    "Kurbelgarnitur": "Centurion Pro II Gen4",
    "Laufradgröße": "29 Zoll",
    "Lenker": "PROCRAFT Trail Pro 35",
    "Modelljahr": "2022",
    "Motor": "Bosch Performance Line CX",
    "Motormarke": "Bosch",
    "Motorposition": "Mittelmotor",
    "Pedale": "VP-527",
    "Rahmen": "Backfire R intube II",
    "Rahmenform": "Diamant",
    "Rahmenmaterial": "Aluminium",
    "Reifen hinten": "Maxxis Ardent, 29x2.4\"",
    "Reifen vorne": "Maxxis Ardent, 29x2.4\"",
    "Sattel": "PROCRAFT Race",
    "Sattelstütze": "PROCRAFT Drop Pro",
    "Schalthebel": "Shimano Deore XT",
    "Schaltung": "Shimano Deore XT",
    "Schaltungstyp": "Kettenschaltung",
    "Schaltwerk": "Shimano Deore XT",
    "Schutzblech vorhanden": "Nein",
    "Speichen": "PROCRAFT stainless 2.0",
    "Steuersatz": "ACROS AZX",
    "Vorbau": "Procraft Trail Expert 35 AICR",
    "weitere Beleuchtung": "LEZYNE Femto STVZO",
    "zulässiges Gesamtgewicht Kg": "150 kg"
  },
  "rawFeatures": [
    "Kraftvoller Bosch Performance Line CX Motor, Leistungsstarker Bosch PowerTube 750Wh Akku, Hochwertige Shimano XT Kettenschaltung, Hydraulische Shimano Deore Scheibenbremsen, Hochwertige Fox Luftgabel. 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": "45 CM",
      "size": "45",
      "sizeCm": 45,
      "inStock": false,
      "stockCount": null,
      "price": 2549.99,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "50 CM",
      "size": "50",
      "sizeCm": 50,
      "inStock": false,
      "stockCount": null,
      "price": 2549.99,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "55 CM",
      "size": "55",
      "sizeCm": 55,
      "inStock": false,
      "stockCount": null,
      "price": 2549.99,
      "preorder": false,
      "deliveryNote": null
    }
  ],
  "availabilityText": "all variants sold out",
  "fetchedAt": "2026-09-26T05:56:16.182Z",
  "sourceMeta": {
    "shopifyProductId": 15477737259273,
    "handle": "centurion-backfire-e-r2700i-750",
    "productType": "WG1",
    "variantSkus": [
      "223822-1",
      "223822-2",
      "223822-3"
    ]
  },
  "listingPath": [
    "E-Bikes",
    "E-Mountainbikes",
    "Hardtail E-Mountainbikes"
  ]
}

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