Corratec Life CX8 12S

bikeexchange:corratec_life_cx8_12s_2025 · source URL · confidence 0.78 · GTIN 4043184833251

Eligibility

Cannot win: 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
40cm	—	40 cm	exact scale	stated by the retailer	yes	€4.680	40cm
53cm	—	53 cm	exact scale	stated by the retailer	yes	€4.680	53cm
57cm	—	57 cm	exact scale	stated by the retailer	yes	€5.199	57cm

retailer label

alpha

comparable cm

match

mapping

in stock

variant price

evidence

40cm

—

40 cm

exact scale

stated by the retailer

yes

€4.680

40cm

53cm

—

53 cm

exact scale

stated by the retailer

yes

€4.680

53cm

57cm

—

57 cm

exact scale

stated by the retailer

yes

€5.199

57cm

A shopper asking for: 54 → 53cm in stock · 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

field source evidence

brand retailer:bikeexchange / parse Corratec

model retailer:bikeexchange / derived Corratec Life CX8 12S

modelYear retailer:bikeexchange / parse Jahr: 2025

category retailer:bikeexchange / derived retailer taxonomy

frameMaterial retailer:bikeexchange / parse Aluminium

groupsetFamily retailer:bikeexchange / dictionary SHIMANO SL-U6000-10R CUES 10-SPEED || SHIMANO RD-U6020-10 CUES SGS 10-SPEED

electronicShifting retailer:bikeexchange / derived SHIMANO SL-U6000-10R CUES 10-SPEED || SHIMANO RD-U6020-10 CUES SGS 10-SPEED

speeds retailer:bikeexchange / parse 10-SPEED

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

fork retailer:bikeexchange / dictionary 100mm

dropperPost retailer:bikeexchange / derived seatpost row "ERGOTEC Ray 31.6mm" names no dropper, in a 34-field spec table

beltDrive retailer:bikeexchange / parse CN-LG5

weightKg retailer:bikeexchange / parse Gewicht*: 27.4 kg

powerMeter retailer:bikeexchange / derived absent from a 34-field spec table

availability retailer:bikeexchange / derived sizes 3: 3 stocked, 0 gone, 0 unread

seller retailer:bikeexchange / parse 40cm: Rad-Max (Inhaber: Maximilian Weber)

ebike.motor retailer:bikeexchange / parse Bosch | Bosch Performance Line CX Smart System BDU38

ebike.motor.position retailer:bikeexchange / parse Mittelmotor

ebike.battery.capacityWh retailer:bikeexchange / parse 800 Wh

ebike.battery.integration retailer:bikeexchange / parse PowerTube

ebike.display retailer:bikeexchange / parse Display: Bosch Kiox 500

ebike.maxSystemWeightKg retailer:bikeexchange / parse Zulässiges Gesamtgewicht: 180 kg

field	source	evidence
brand	`retailer:bikeexchange` / parse	Corratec
model	`retailer:bikeexchange` / derived	Corratec Life CX8 12S
modelYear	`retailer:bikeexchange` / parse	Jahr: 2025
category	`retailer:bikeexchange` / derived	retailer taxonomy
frameMaterial	`retailer:bikeexchange` / parse	Aluminium
groupsetFamily	`retailer:bikeexchange` / dictionary	SHIMANO SL-U6000-10R CUES 10-SPEED \|\| SHIMANO RD-U6020-10 CUES SGS 10-SPEED
electronicShifting	`retailer:bikeexchange` / derived	SHIMANO SL-U6000-10R CUES 10-SPEED \|\| SHIMANO RD-U6020-10 CUES SGS 10-SPEED
speeds	`retailer:bikeexchange` / parse	10-SPEED
suspension	`retailer:bikeexchange` / derived	no suspension fork and no rear shock on a drop-bar listing
fork	`retailer:bikeexchange` / dictionary	100mm
dropperPost	`retailer:bikeexchange` / derived	seatpost row "ERGOTEC Ray 31.6mm" names no dropper, in a 34-field spec table
beltDrive	`retailer:bikeexchange` / parse	CN-LG5
weightKg	`retailer:bikeexchange` / parse	Gewicht*: 27.4 kg
powerMeter	`retailer:bikeexchange` / derived	absent from a 34-field spec table
availability	`retailer:bikeexchange` / derived	sizes 3: 3 stocked, 0 gone, 0 unread
seller	`retailer:bikeexchange` / parse	40cm: Rad-Max (Inhaber: Maximilian Weber)
ebike.motor	`retailer:bikeexchange` / parse	Bosch \| Bosch Performance Line CX Smart System BDU38
ebike.motor.position	`retailer:bikeexchange` / parse	Mittelmotor
ebike.battery.capacityWh	`retailer:bikeexchange` / parse	800 Wh
ebike.battery.integration	`retailer:bikeexchange` / parse	PowerTube
ebike.display	`retailer:bikeexchange` / parse	Display: Bosch Kiox 500
ebike.maxSystemWeightKg	`retailer:bikeexchange` / parse	Zulässiges Gesamtgewicht: 180 kg

Warnings

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

Score breakdown

{
  "frameScore": 11,
  "drivetrainScore": 8,
  "wheelScore": 5,
  "extrasScore": 0,
  "suspensionScore": 2,
  "weightAdjustment": -3,
  "equipmentValue": 23,
  "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.",
    "27.4 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": [
    "wheelMaterial",
    "wheelTier",
    "brakes"
  ],
  "applied": [],
  "rejected": [],
  "notes": "Wheel material and wheel tier cannot be established from the generic wheel specification. The brake entries name TEKTRO models and brake discs, but do not explicitly establish hydraulic or mechanical operation. The drivetrain is marked CUES, while the crank is listed as MIRANDA, so it is treated as mixed.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Rahmenmaterial: Aluminium",
      "confidence": 1
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "SHIMANO RD-U6020-10 CUES SGS 10-SPEED",
      "confidence": 1
    },
    "groupsetFamily": {
      "value": "CUES",
      "evidence": "SHIMANO RD-U6020-10 CUES SGS 10-SPEED",
      "confidence": 1
    },
    "electronicShifting": {
      "value": "false",
      "evidence": "Kettenschaltung",
      "confidence": 0.9
    },
    "speeds": {
      "value": "10",
      "evidence": "Anzahl Gänge: 10.0",
      "confidence": 1
    },
    "mixedGroupset": {
      "value": "true",
      "evidence": "Kurbel: MIRANDA DM CF3D 38T",
      "confidence": 0.95
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "brakes": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "weightKg": {
      "value": "27.4",
      "evidence": "Gewicht*: 27.4 kg",
      "confidence": 1
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "notes": "Wheel material and wheel tier cannot be established from the generic wheel specification. The brake entries name TEKTRO models and brake discs, but do not explicitly establish hydraulic or mechanical operation. The drivetrain is marked CUES, while the crank is listed as MIRANDA, so it is treated as mixed."
  }
}

Normalized record

{
  "id": "bikeexchange:corratec_life_cx8_12s_2025",
  "retailer": "bikeexchange",
  "retailerProductId": "corratec_life_cx8_12s_2025",
  "productUrl": "https://www.bikeexchange.de/de-DE/products/corratec_life_cx8_12s_2025?sku=COR_0000644182",
  "brand": "Corratec",
  "model": "Life CX8 12S",
  "modelYear": 2025,
  "category": "e-bike",
  "categoryBasis": "route",
  "sourceCategory": "e-bike",
  "price": 4680,
  "originalPrice": 5199,
  "currency": "EUR",
  "discountPercent": 10,
  "frameMaterial": "aluminium",
  "frameModel": "Aluminium 6061",
  "frameTier": null,
  "groupsetBrand": "Shimano",
  "groupsetFamily": "CUES",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": 10,
  "mixedGroupset": false,
  "groupsetComponents": {
    "shifters": "CUES",
    "rearDerailleur": "CUES",
    "cassette": "CUES"
  },
  "groupsetTierSpread": 0,
  "crank": "MIRANDA DM CF3D 38T",
  "cassette": "SHIMANO CS-LG300-10 CUES 10-SPEED 11-39T",
  "brakes": "unknown",
  "brakePistons": null,
  "brakeTier": "unknown",
  "suspension": "none",
  "fork": {
    "make": null,
    "line": null,
    "tier": "rigid",
    "travelMm": 0
  },
  "rearShock": null,
  "dropperPost": false,
  "beltDrive": false,
  "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": 27.4,
  "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": 4680,
      "seller": "Rad-Max (Inhaber: Maximilian Weber)",
      "deliveryNote": "Reguläre Lieferzeit 8 Tage"
    },
    {
      "rawSize": "53cm",
      "size": "53",
      "sizeCm": 53,
      "inStock": true,
      "stockCount": null,
      "price": 4680,
      "seller": null,
      "deliveryNote": null
    },
    {
      "rawSize": "57cm",
      "size": "57",
      "sizeCm": 57,
      "inStock": true,
      "stockCount": null,
      "price": 5199,
      "seller": null,
      "deliveryNote": null
    }
  ],
  "seller": "Rad-Max (Inhaber: Maximilian Weber)",
  "availability": "in-stock",
  "gtins": [
    "4043184833251"
  ],
  "imageUrl": "https://images.cdn.europe-west1.gcp.commercetools.com/078b97e9-ed31-4c81-baae-cdd44f3bf3c1/b96d9de7d4548e3e0030-14QSIr1c.png",
  "rawTitle": "Corratec Life CX8 12S",
  "fetchedAt": "2026-09-26T06:25:59.440Z",
  "normalizationConfidence": 0.78,
  "warnings": [
    {
      "code": "wheel-material-unknown",
      "message": "Wheel material could not be established.",
      "severity": "info"
    }
  ],
  "ebikeAi": {
    "requested": [
      "motorModel",
      "speedClass",
      "frameShape"
    ],
    "applied": [],
    "rejected": [],
    "notes": "The source names the motor as “Bosch Performance Line CX Smart System BDU38”, which does not deterministically match one of the permitted exact motorModel values. It does not establish the speed class, battery integration type, or frame shape.",
    "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 names the motor as “Bosch Performance Line CX Smart System BDU38”, which does not deterministically match one of the permitted exact motorModel values. It does not establish the speed class, battery integration type, or frame shape."
    }
  }
}

Parsed specification table

{
  "Rahmenmaterial": "Aluminium",
  "Gewicht*": "27.4 kg",
  "Rahmen": "Aluminium 6061",
  "Zulässiges Gesamtgewicht": "180 kg",
  "Bremse": "TEKTRO HD-M535 203/180mm",
  "Bremsscheibe vorne": "203mm",
  "Bremse vorne": "TEKTRO HD-M535 203mm",
  "Bremsscheibe hinten": "180mm",
  "Bremse hinten": "TEKTRO HD-M535 180mm",
  "Laufräder": "584-25 15x110 / 12x148 up to 200Kg",
  "Reifen vorne": "SCHWALBE JOHNNY WATTS 60-584",
  "Reifen": "SCHWALBE JOHNNY WATTS 60-584",
  "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",
  "Ladegerät": "BES3 4A Charger (230V)",
  "Motorhersteller": "Bosch",
  "Akku": "Bosch PowerTube",
  "Motor": "Bosch Performance Line CX Smart System BDU38",
  "Motorposition": "Mittelmotor",
  "Schaltung": "SHIMANO RD-U6020-10 CUES SGS 10-SPEED",
  "Umwerfer hinten": "SHIMANO RD-U6020-10 CUES SGS 10-SPEED",
  "Kurbel": "MIRANDA DM CF3D 38T",
  "Anzahl Gänge": "10.0",
  "Schalthebel": "SHIMANO SL-U6000-10R CUES 10-SPEED",
  "Kassette": "SHIMANO CS-LG300-10 CUES 10-SPEED 11-39T",
  "Kette / Riemen": "SHIMANO CN-LG500 LINKGLIDE 9/10/11 SPEED",
  "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_12s_2025",
  "productUrl": "https://www.bikeexchange.de/de-DE/products/corratec_life_cx8_12s_2025?sku=COR_0000644182",
  "extractionMethod": "embedded-json",
  "sourceCategory": "e-bike",
  "rawTitle": "Corratec Life CX8 12S",
  "rawBrand": "Corratec",
  "price": 4680,
  "originalPrice": 5199,
  "currency": "EUR",
  "imageUrl": "https://images.cdn.europe-west1.gcp.commercetools.com/078b97e9-ed31-4c81-baae-cdd44f3bf3c1/b96d9de7d4548e3e0030-14QSIr1c.png",
  "rawSpecifications": {
    "Rahmenmaterial": "Aluminium",
    "Gewicht*": "27.4 kg",
    "Rahmen": "Aluminium 6061",
    "Zulässiges Gesamtgewicht": "180 kg",
    "Bremse": "TEKTRO HD-M535 203/180mm",
    "Bremsscheibe vorne": "203mm",
    "Bremse vorne": "TEKTRO HD-M535 203mm",
    "Bremsscheibe hinten": "180mm",
    "Bremse hinten": "TEKTRO HD-M535 180mm",
    "Laufräder": "584-25 15x110 / 12x148 up to 200Kg",
    "Reifen vorne": "SCHWALBE JOHNNY WATTS 60-584",
    "Reifen": "SCHWALBE JOHNNY WATTS 60-584",
    "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",
    "Ladegerät": "BES3 4A Charger (230V)",
    "Motorhersteller": "Bosch",
    "Akku": "Bosch PowerTube",
    "Motor": "Bosch Performance Line CX Smart System BDU38",
    "Motorposition": "Mittelmotor",
    "Schaltung": "SHIMANO RD-U6020-10 CUES SGS 10-SPEED",
    "Umwerfer hinten": "SHIMANO RD-U6020-10 CUES SGS 10-SPEED",
    "Kurbel": "MIRANDA DM CF3D 38T",
    "Anzahl Gänge": "10.0",
    "Schalthebel": "SHIMANO SL-U6000-10R CUES 10-SPEED",
    "Kassette": "SHIMANO CS-LG300-10 CUES 10-SPEED 11-39T",
    "Kette / Riemen": "SHIMANO CN-LG500 LINKGLIDE 9/10/11 SPEED",
    "Sattel": "SQ Lab 621 ERGOLUX",
    "Sattelstütze": "ERGOTEC Ray 31.6mm",
    "Gabel Bauart": "Federgabel",
    "Federweg vorne": "100mm",
    "Gabelhersteller": "SR Suntour",
    "Jahr": "2025"
  },
  "rawFeatures": [
    "Bosch",
    "800wh",
    "Kettenschaltung",
    "Beschreibung"
  ],
  "rawSizes": [
    {
      "rawSize": "40cm",
      "size": null,
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": 4680,
      "seller": "Rad-Max (Inhaber: Maximilian Weber)",
      "deliveryNote": "Reguläre Lieferzeit 8 Tage"
    },
    {
      "rawSize": "53cm",
      "size": "53",
      "sizeCm": 53,
      "inStock": true,
      "stockCount": null,
      "price": 4680,
      "seller": null,
      "deliveryNote": null
    },
    {
      "rawSize": "57cm",
      "size": "57",
      "sizeCm": 57,
      "inStock": true,
      "stockCount": null,
      "price": 5199,
      "seller": null,
      "deliveryNote": null
    }
  ],
  "availabilityText": "sizes 3: 3 stocked, 0 gone, 0 unread",
  "fetchedAt": "2026-09-26T06:25:59.440Z",
  "sourceMeta": {
    "skus": [
      "4043184833251"
    ],
    "shopSkus": [
      "COR_0000644182",
      "COR_0000644182",
      "COR_0000644184",
      "COR_0000644185"
    ],
    "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": "b099003a-6008-4d52-a700-25b6fac1fdcc",
    "shopCategory": "E-City & Urban",
    "colourCount": 1,
    "fetchedSku": "COR_0000644182"
  },
  "listingPath": [
    "E-Bikes",
    "E-City & Urban"
  ]
}

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