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Corratec Life CX8 Belt

bikeexchange:corratec_life_cx8_belt_2025 · source URL · confidence 0.53 · GTIN 4043184833237

Eligibility

Cannot win: confidence 0.53 below 0.75; e-bike bikes are not value-ranked yet (no e-bike-specific equipment model)

Size decisions

retailer labelalphacomparable cmmatchmappingin stockvariant priceevidence
40cm—40 cmexact scalestated by the retaileryes€5.22040cm
47cm—47 cmexact scalestated by the retaileryes€5.22047cm
57cm—57 cmexact scalestated by the retaileryes€5.79957cm

A shopper asking for: 54 → nothing compatible · 56 → 57cm in stock · 58 → 57cm in stock · 60 → nothing compatible

Identity

Only listing of this configuration — nothing to merge.

Provenance — why we believe each fact

fieldsourceevidence
brandretailer:bikeexchange / parseCorratec
modelretailer:bikeexchange / derivedCorratec Life CX8 Belt
modelYearretailer:bikeexchange / parseJahr: 2025
categoryretailer:bikeexchange / derivedretailer taxonomy
frameMaterialretailer:bikeexchange / parseAluminium
suspensionretailer:bikeexchange / derivedno suspension fork and no rear shock on a drop-bar listing
forkretailer:bikeexchange / dictionary100mm
dropperPostretailer:bikeexchange / derivedseatpost row "ERGOTEC Ray 31.6mm" names no dropper, in a 29-field spec table
beltDriveretailer:bikeexchange / parseGATES carbon drive belt 118T | Gates 46T | GATES 46T | ENVIO
weightKgretailer:bikeexchange / parseGewicht*: 28.25 kg
powerMeterretailer:bikeexchange / derivedabsent from a 29-field spec table
availabilityretailer:bikeexchange / derivedsizes 3: 3 stocked, 0 gone, 0 unread
sellerretailer:bikeexchange / parse40cm: Rad-Max (Inhaber: Maximilian Weber)
ebike.motorretailer:bikeexchange / parseBosch | Bosch Performance Line CX Smart System BDU38
ebike.motor.positionretailer:bikeexchange / parseMittelmotor
ebike.battery.capacityWhretailer:bikeexchange / parse800 Wh
ebike.battery.integrationretailer:bikeexchange / parsePowerTube
ebike.displayretailer:bikeexchange / parseDisplay: Bosch Kiox 500
ebike.maxSystemWeightKgretailer:bikeexchange / parseZulässiges Gesamtgewicht: 180 kg

Warnings

Score breakdown

{
  "frameScore": 11,
  "drivetrainScore": 0,
  "wheelScore": 5,
  "extrasScore": 0,
  "suspensionScore": 2,
  "weightAdjustment": -3,
  "equipmentValue": 15,
  "notes": [
    "Groupset not identified: 0 drivetrain points.",
    "Wheels unknown: scored level with basic aluminium, which is neither a reward for omitting the wheelset nor a penalty for naming a cheap one.",
    "28.25 kg vs 14.4 kg mtb-hardtail reference = -3.",
    "Fork \"rigid\" +2 (0 mm travel, which is not scored)."
  ],
  "marketPrice": null,
  "valueScore": null,
  "savingsVsMarket": null
}

AI normalization

{
  "requested": [
    "groupsetFamily",
    "wheelMaterial",
    "wheelTier",
    "brakes"
  ],
  "applied": [],
  "rejected": [],
  "notes": "The drivetrain is named ENVIOLO TREKKING with Gates belt-drive components, but neither ENVIOLO nor Gates is represented as a valid groupset family in the vocabulary. Wheel material and brake type are not explicitly established; the brake model alone does not deterministically establish hydraulic-disc, mechanical-disc, or rim.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Rahmenmaterial: Aluminium",
      "confidence": 1
    },
    "groupsetBrand": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "groupsetFamily": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "electronicShifting": {
      "value": "false",
      "evidence": "Schalthebel: ENVIOLO MANUAL CONTROLLER TWIST PURE",
      "confidence": 0.95
    },
    "speeds": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "mixedGroupset": {
      "value": null,
      "evidence": null,
      "confidence": 0.95
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "brakes": {
      "value": null,
      "evidence": null,
      "confidence": 0.95
    },
    "weightKg": {
      "value": "28.25",
      "evidence": "Gewicht*: 28.25 kg",
      "confidence": 1
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "notes": "The drivetrain is named ENVIOLO TREKKING with Gates belt-drive components, but neither ENVIOLO nor Gates is represented as a valid groupset family in the vocabulary. Wheel material and brake type are not explicitly established; the brake model alone does not deterministically establish hydraulic-disc, mechanical-disc, or rim."
  }
}

Normalized record

{
  "id": "bikeexchange:corratec_life_cx8_belt_2025",
  "retailer": "bikeexchange",
  "retailerProductId": "corratec_life_cx8_belt_2025",
  "productUrl": "https://www.bikeexchange.de/de-DE/products/corratec_life_cx8_belt_2025?sku=COR_0000644194",
  "brand": "Corratec",
  "model": "Life CX8 Belt",
  "modelYear": 2025,
  "category": "e-bike",
  "categoryBasis": "route",
  "sourceCategory": "e-bike",
  "price": 5220,
  "originalPrice": 5799,
  "currency": "EUR",
  "discountPercent": 10,
  "frameMaterial": "aluminium",
  "frameModel": "Corratec EP Life Belt 27.5“ Aluminium 12x148mm",
  "frameTier": null,
  "groupsetBrand": null,
  "groupsetFamily": null,
  "groupsetGeneration": null,
  "electronicShifting": null,
  "speeds": null,
  "mixedGroupset": null,
  "groupsetComponents": null,
  "groupsetTierSpread": 0,
  "crank": "Gates 46T",
  "cassette": "GATES 22T",
  "brakes": "unknown",
  "brakePistons": null,
  "brakeTier": "unknown",
  "suspension": "none",
  "fork": {
    "make": null,
    "line": null,
    "tier": "rigid",
    "travelMm": 0
  },
  "rearShock": null,
  "dropperPost": false,
  "beltDrive": true,
  "hubDynamo": null,
  "rack": null,
  "mudguards": null,
  "chaincase": null,
  "kickstand": null,
  "lighting": null,
  "wheelSize": null,
  "wheelset": "584-25 15x110 / 12x148 up to 200Kg",
  "wheelMaterial": "unknown",
  "wheelTier": "unknown",
  "tyres": "SCHWALBE JOHNNY WATTS 60-584",
  "weightKg": 28.25,
  "ebike": {
    "motor": {
      "text": "Bosch | Bosch Performance Line CX Smart System BDU38",
      "brand": "bosch",
      "model": null,
      "position": "mid",
      "torqueNm": null,
      "torqueSource": null,
      "ratedPowerW": null,
      "peakPowerW": null
    },
    "battery": {
      "text": "800 Wh | Bosch PowerTube",
      "capacityWh": 800,
      "count": 1,
      "integration": "integrated",
      "removable": null
    },
    "speedClass": "unknown",
    "rangeExtender": "unknown",
    "display": "Bosch Kiox 500",
    "abs": null,
    "autoShift": null,
    "statedRangeKm": null,
    "eDiscipline": "unknown",
    "eDisciplineBasis": null,
    "frameShape": "unknown",
    "cargoType": "unknown",
    "maxSystemWeightKg": 180,
    "rackCapacityKg": null,
    "weightIncludesBattery": null
  },
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "40cm",
      "size": null,
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": 5220,
      "seller": "Rad-Max (Inhaber: Maximilian Weber)",
      "deliveryNote": "Reguläre Lieferzeit 8 Tage"
    },
    {
      "rawSize": "47cm",
      "size": "47",
      "sizeCm": 47,
      "inStock": true,
      "stockCount": null,
      "price": 5220,
      "seller": null,
      "deliveryNote": null
    },
    {
      "rawSize": "57cm",
      "size": "57",
      "sizeCm": 57,
      "inStock": true,
      "stockCount": null,
      "price": 5799,
      "seller": null,
      "deliveryNote": null
    }
  ],
  "seller": "Rad-Max (Inhaber: Maximilian Weber)",
  "availability": "in-stock",
  "gtins": [
    "4043184833237"
  ],
  "imageUrl": "https://images.cdn.europe-west1.gcp.commercetools.com/078b97e9-ed31-4c81-baae-cdd44f3bf3c1/38709f6268735b495654-VPLRYNnk.png",
  "rawTitle": "Corratec Life CX8 Belt",
  "fetchedAt": "2026-09-26T06:26:03.100Z",
  "normalizationConfidence": 0.53,
  "warnings": [
    {
      "code": "groupset-unknown",
      "message": "Groupset could not be established.",
      "severity": "high"
    },
    {
      "code": "wheel-material-unknown",
      "message": "Wheel material could not be established.",
      "severity": "info"
    }
  ],
  "ebikeAi": {
    "requested": [
      "motorModel",
      "speedClass",
      "frameShape"
    ],
    "applied": [],
    "rejected": [],
    "notes": "The source identifies the motor as “Bosch Performance Line CX Smart System BDU38”, but this does not establish one exact motor model from the permitted vocabulary. “Bosch PowerTube” does not explicitly establish the battery integration category.",
    "raw": {
      "motorBrand": {
        "value": "bosch",
        "evidence": "Motorhersteller: Bosch",
        "confidence": 1
      },
      "motorModel": {
        "value": null,
        "evidence": null,
        "confidence": 0
      },
      "batteryWh": {
        "value": "800",
        "evidence": "Akkukapazität: 800 Wh",
        "confidence": 1
      },
      "speedClass": {
        "value": null,
        "evidence": null,
        "confidence": 0
      },
      "batteryIntegration": {
        "value": null,
        "evidence": null,
        "confidence": 0
      },
      "frameShape": {
        "value": null,
        "evidence": null,
        "confidence": 0
      },
      "notes": "The source identifies the motor as “Bosch Performance Line CX Smart System BDU38”, but this does not establish one exact motor model from the permitted vocabulary. “Bosch PowerTube” does not explicitly establish the battery integration category."
    }
  }
}

Parsed specification table

{
  "Rahmenmaterial": "Aluminium",
  "Gewicht*": "28.25 kg",
  "Rahmen": "Corratec EP Life Belt 27.5“ Aluminium 12x148mm",
  "Zulässiges Gesamtgewicht": "180 kg",
  "Bremse": "TEKTRO HD-M535 203mm",
  "Laufräder": "584-25 15x110 / 12x148 up to 200Kg",
  "Reifen vorne": "SCHWALBE JOHNNY WATTS 60-584",
  "Reifen": "SCHWALBE JOHNNY WATTS 60-584 frontSCHWALBE JOHNNY WATTS 60-584 rear",
  "Vorbau": "ERGOTEC Swell RE 31.8 80/100mm",
  "Lenker": "ERGOTEC Riser Bar 50 31.8mm 720mm 25 Deg Backsweep",
  "Display": "Bosch Kiox 500",
  "Akkukapazität": "800 Wh",
  "Motorhersteller": "Bosch",
  "Akku": "Bosch PowerTube",
  "Motor": "Bosch Performance Line CX Smart System BDU38",
  "Motorposition": "Mittelmotor",
  "Schaltung": "ENVIOLO TREKKING",
  "Umwerfer hinten": "ENVIOLO TREKKING",
  "Kurbelgarnitur": "Gates 46T",
  "Kurbel": "GATES 46T",
  "Schalthebel": "ENVIOLO MANUAL CONTROLLER TWIST PURE",
  "Kassette": "GATES 22T",
  "Kette / Riemen": "GATES carbon drive belt 118T",
  "Sattel": "SQ Lab 621 ERGOLUX",
  "Sattelstütze": "ERGOTEC Ray 31.6mm",
  "Gabel Bauart": "Federgabel",
  "Federweg vorne": "100mm",
  "Gabelhersteller": "SR Suntour",
  "Jahr": "2025"
}

Raw adapter output

{
  "retailer": "bikeexchange",
  "retailerProductId": "corratec_life_cx8_belt_2025",
  "productUrl": "https://www.bikeexchange.de/de-DE/products/corratec_life_cx8_belt_2025?sku=COR_0000644194",
  "extractionMethod": "embedded-json",
  "sourceCategory": "e-bike",
  "rawTitle": "Corratec Life CX8 Belt",
  "rawBrand": "Corratec",
  "price": 5220,
  "originalPrice": 5799,
  "currency": "EUR",
  "imageUrl": "https://images.cdn.europe-west1.gcp.commercetools.com/078b97e9-ed31-4c81-baae-cdd44f3bf3c1/38709f6268735b495654-VPLRYNnk.png",
  "rawSpecifications": {
    "Rahmenmaterial": "Aluminium",
    "Gewicht*": "28.25 kg",
    "Rahmen": "Corratec EP Life Belt 27.5“ Aluminium 12x148mm",
    "Zulässiges Gesamtgewicht": "180 kg",
    "Bremse": "TEKTRO HD-M535 203mm",
    "Laufräder": "584-25 15x110 / 12x148 up to 200Kg",
    "Reifen vorne": "SCHWALBE JOHNNY WATTS 60-584",
    "Reifen": "SCHWALBE JOHNNY WATTS 60-584 frontSCHWALBE JOHNNY WATTS 60-584 rear",
    "Vorbau": "ERGOTEC Swell RE 31.8 80/100mm",
    "Lenker": "ERGOTEC Riser Bar 50 31.8mm 720mm 25 Deg Backsweep",
    "Display": "Bosch Kiox 500",
    "Akkukapazität": "800 Wh",
    "Motorhersteller": "Bosch",
    "Akku": "Bosch PowerTube",
    "Motor": "Bosch Performance Line CX Smart System BDU38",
    "Motorposition": "Mittelmotor",
    "Schaltung": "ENVIOLO TREKKING",
    "Umwerfer hinten": "ENVIOLO TREKKING",
    "Kurbelgarnitur": "Gates 46T",
    "Kurbel": "GATES 46T",
    "Schalthebel": "ENVIOLO MANUAL CONTROLLER TWIST PURE",
    "Kassette": "GATES 22T",
    "Kette / Riemen": "GATES carbon drive belt 118T",
    "Sattel": "SQ Lab 621 ERGOLUX",
    "Sattelstütze": "ERGOTEC Ray 31.6mm",
    "Gabel Bauart": "Federgabel",
    "Federweg vorne": "100mm",
    "Gabelhersteller": "SR Suntour",
    "Jahr": "2025"
  },
  "rawFeatures": [
    "Bosch",
    "800wh",
    "Nabenschaltung",
    "Beschreibung"
  ],
  "rawSizes": [
    {
      "rawSize": "40cm",
      "size": null,
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": 5220,
      "seller": "Rad-Max (Inhaber: Maximilian Weber)",
      "deliveryNote": "Reguläre Lieferzeit 8 Tage"
    },
    {
      "rawSize": "47cm",
      "size": "47",
      "sizeCm": 47,
      "inStock": true,
      "stockCount": null,
      "price": 5220,
      "seller": null,
      "deliveryNote": null
    },
    {
      "rawSize": "57cm",
      "size": "57",
      "sizeCm": 57,
      "inStock": true,
      "stockCount": null,
      "price": 5799,
      "seller": null,
      "deliveryNote": null
    }
  ],
  "availabilityText": "sizes 3: 3 stocked, 0 gone, 0 unread",
  "fetchedAt": "2026-09-26T06:26:03.100Z",
  "sourceMeta": {
    "skus": [
      "4043184833237"
    ],
    "shopSkus": [
      "COR_0000644194",
      "COR_0000644194",
      "COR_0000644195",
      "COR_0000644197"
    ],
    "seller": "Rad-Max (Inhaber: Maximilian Weber)",
    "sellerOfSize": "40cm",
    "sellerId": "b5da9975-8e8e-4af9-8349-77df914fdd8c",
    "storeKey": "store_01KCRKQKPSQEMBSDZWNVFWZB9Q_eur",
    "storeCity": "Mühlacker",
    "storeCountry": "DE",
    "storeDelivers": true,
    "storeClickAndCollect": true,
    "storeReservation": true,
    "storeDeliveryTime": "P8D",
    "shippingPrice": 90,
    "hasMoreSellers": false,
    "condition": "NEW",
    "ctProductId": "05139f57-b060-4eec-8c16-bf184983f252",
    "shopCategory": "E-City & Urban",
    "colourCount": 1,
    "fetchedSku": "COR_0000644194"
  },
  "listingPath": [
    "E-Bikes",
    "E-City & Urban"
  ]
}

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