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i:SY E5 ZR F E-Bike Kompaktrad 20" schwarz

zweirad-stadler:i-sy-e5-zr-f-e-bike-kompaktrad-20-schwarz · source URL · confidence 0.83

Eligibility

Cannot win: e-bike bikes are not value-ranked yet (no e-bike-specific equipment model)

Size decisions

retailer labelalphacomparable cmmatchmappingin stockvariant priceevidence
47 cm—47 cmexact scalestated by the retaileryeslisting price47 cm

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

Identity

Canonical configuration: I:sy | E5 ZR F E-Bike Kompaktrad 20" | Nexus
Confidence: medium

retailerpricesizes in stock
Zweirad Stadler€3.79847 cmdebug
Zweirad Stadler€3.79847 cmdebug
Zweirad Stadler€4.19947 cm (Onesize)debug

Provenance — why we believe each fact

fieldsourceevidence
brandretailer:zweirad-stadler / parsei:SY
modelretailer:zweirad-stadler / derivedi:SY E5 ZR F E-Bike Kompaktrad 20" schwarz
categoryretailer:zweirad-stadler / parseE-Bike
frameMaterialretailer:zweirad-stadler / parseAluminium
groupsetFamilyretailer:zweirad-stadler / dictionaryShimano Nexus Revo Shifter || Shimano Nexus
electronicShiftingretailer:zweirad-stadler / derivedShimano Nexus Revo Shifter || Shimano Nexus
speedsretailer:zweirad-stadler / parse5-Gang
brakesretailer:zweirad-stadler / parseHydraulische Scheibenbremsen
brakePistonsretailer:zweirad-stadler / parse2 Kolben
suspensionretailer:zweirad-stadler / derivedStarrgabel
forkretailer:zweirad-stadler / dictionaryStarrgabel
dropperPostretailer:zweirad-stadler / derivedseatpost row "i:SY Sattelstütze, 415 mm, ⌀ 34,9mm" names no dropper, in a 41-field spec table
beltDriveretailer:zweirad-stadler / parseGates Riemenantrieb | i:SY E-Bike Kurbel | Nabenschaltung
rackretailer:zweirad-stadler / parsei:SY Carrier MonkeyLoad ready
mudguardsretailer:zweirad-stadler / parseSKS Bluemels 20 Zoll, Breite 65mm
lightingretailer:zweirad-stadler / parseFuxon FF-100HB, 100 Lux LED mit Fernlicht
wheelSizeretailer:zweirad-stadler / parse20
weightKgretailer:zweirad-stadler / parseGewicht: ca. 24,3 kg
powerMeterretailer:zweirad-stadler / derivedabsent from a 41-field spec table
availabilityretailer:zweirad-stadler / derived1 of 1 sizes orderable
ebike.motorretailer:zweirad-stadler / parseBosch Performance Line | Bosch
ebike.motor.positionretailer:zweirad-stadler / parseMittelmotor
ebike.motor.torqueNmretailer:zweirad-stadler / parse75 Nm
ebike.battery.integrationretailer:zweirad-stadler / parsePowerPack
ebike.speedClassretailer:zweirad-stadler / parseUnterstützung: Bis zu 25 km/h
ebike.eDisciplineretailer:zweirad-stadler / parseshelf: E-Kompaktrad
ebike.displayretailer:zweirad-stadler / parseDisplay: Bosch Intuvia 100
ebike.maxSystemWeightKgretailer:zweirad-stadler / parsezul. Gesamtgewicht: 150 kg
ebike.battery.capacityWhai / ai (1)Kapazität: 545 Wh

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.",
    "Brakes \"hydraulic-disc\" = 0, the baseline for mtb-hardtail.",
    "24.3 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"
  ],
  "applied": [],
  "rejected": [],
  "notes": "The source names the wheel rim model \"RYDE Andra 40 Disc, 32 H\" but does not establish its material or a defensible wheel tier. The crank is branded i:SY while the shifter and rear hub are Shimano Nexus, but the source does not establish normalized groupset families for all drivetrain components, so mixedGroupset cannot be determined reliably.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Material: Aluminium",
      "confidence": 1
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Schalthebel: Shimano Nexus Revo Shifter",
      "confidence": 1
    },
    "groupsetFamily": {
      "value": "Nexus",
      "evidence": "Shimano Nexus Revo Shifter",
      "confidence": 1
    },
    "electronicShifting": {
      "value": "false",
      "evidence": "Schaltung: Nabenschaltung",
      "confidence": 0.95
    },
    "speeds": {
      "value": "5",
      "evidence": "Gänge: 5-Gang",
      "confidence": 1
    },
    "mixedGroupset": {
      "value": null,
      "evidence": null,
      "confidence": 0.2
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "brakes": {
      "value": "hydraulic-disc",
      "evidence": "Bremsenart: Hydraulische Scheibenbremsen",
      "confidence": 1
    },
    "weightKg": {
      "value": "24.3",
      "evidence": "Gewicht: ca. 24,3 kg",
      "confidence": 1
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "notes": "The source names the wheel rim model \"RYDE Andra 40 Disc, 32 H\" but does not establish its material or a defensible wheel tier. The crank is branded i:SY while the shifter and rear hub are Shimano Nexus, but the source does not establish normalized groupset families for all drivetrain components, so mixedGroupset cannot be determined reliably."
  }
}

Normalized record

{
  "id": "zweirad-stadler:i-sy-e5-zr-f-e-bike-kompaktrad-20-schwarz",
  "retailer": "zweirad-stadler",
  "retailerProductId": "i-sy-e5-zr-f-e-bike-kompaktrad-20-schwarz",
  "productUrl": "https://shop.zweirad-stadler.de/fahrrad-shop/e-bikes/e-kompaktrad/i-sy-e5-zr-f-e-bike-kompaktrad-20-schwarz.html",
  "brand": "I:sy",
  "model": "E5 ZR F E-Bike Kompaktrad 20\" schwarz",
  "modelYear": null,
  "category": "e-bike",
  "categoryBasis": "stated",
  "sourceCategory": "e-bike",
  "price": 3798,
  "originalPrice": 4199,
  "currency": "EUR",
  "discountPercent": 10,
  "frameMaterial": "aluminium",
  "frameModel": null,
  "frameTier": null,
  "groupsetBrand": "Shimano",
  "groupsetFamily": "Nexus",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": 5,
  "mixedGroupset": false,
  "groupsetComponents": {
    "shifters": "Nexus",
    "hubs": "Nexus"
  },
  "groupsetTierSpread": 0,
  "crank": "i:SY E-Bike Kurbel",
  "cassette": "46/28T",
  "brakes": "hydraulic-disc",
  "brakePistons": 2,
  "brakeTier": "unknown",
  "suspension": "none",
  "fork": {
    "make": null,
    "line": null,
    "tier": "rigid",
    "travelMm": 0
  },
  "rearShock": null,
  "dropperPost": false,
  "beltDrive": true,
  "hubDynamo": null,
  "rack": true,
  "mudguards": true,
  "chaincase": null,
  "kickstand": null,
  "lighting": true,
  "wheelSize": "other",
  "wheelset": "RYDE Andra 40 Disc, 32 H | Shimano Nexus",
  "wheelMaterial": "unknown",
  "wheelTier": "unknown",
  "tyres": "Schwalbe Pick Up, Super Defense, 60-406",
  "weightKg": 24.3,
  "ebike": {
    "motor": {
      "text": "Bosch Performance Line | Bosch",
      "brand": "bosch",
      "model": null,
      "position": "mid",
      "torqueNm": 75,
      "torqueSource": "retailer",
      "ratedPowerW": null,
      "peakPowerW": null
    },
    "battery": {
      "text": "Bosch PowerPack 545, 36V, 15,2 Ah",
      "capacityWh": 545,
      "count": null,
      "integration": "external",
      "removable": null
    },
    "speedClass": "pedelec-25",
    "rangeExtender": "unknown",
    "display": "Bosch Intuvia 100",
    "abs": null,
    "autoShift": null,
    "statedRangeKm": null,
    "eDiscipline": "e-compact",
    "eDisciplineBasis": "leaf",
    "frameShape": "unknown",
    "cargoType": "unknown",
    "maxSystemWeightKg": 150,
    "rackCapacityKg": null,
    "weightIncludesBattery": null
  },
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "47 cm",
      "size": "47",
      "sizeCm": 47,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "4-8 Werktage"
    }
  ],
  "seller": null,
  "availability": "limited",
  "gtins": [],
  "imageUrl": "https://shop.zweirad-stadler.de/out/pictures/generated/product/1/1500_1500_100/isy-e5zrf-ebike-schwarz-132421-2024a.jpg",
  "rawTitle": "i:SY E5 ZR F E-Bike Kompaktrad 20\" schwarz",
  "fetchedAt": "2026-09-26T08:25:16.057Z",
  "normalizationConfidence": 0.83,
  "warnings": [
    {
      "code": "single-size-only",
      "message": "Only one size is in stock (47 cm).",
      "severity": "info"
    },
    {
      "code": "wheel-material-unknown",
      "message": "Wheel material could not be established.",
      "severity": "info"
    }
  ],
  "ebikeAi": {
    "requested": [
      "motorModel",
      "batteryWh",
      "frameShape"
    ],
    "applied": [
      "batteryWh"
    ],
    "rejected": [],
    "notes": "The source names the motor only as Bosch Performance Line, without an exact motor model. Battery integration is not stated. The frame is described as 'Kompaktrad', which does not deterministically establish diamond, trapeze, or step-through.",
    "raw": {
      "motorBrand": {
        "value": "bosch",
        "evidence": "Motorhersteller: Bosch",
        "confidence": 1
      },
      "motorModel": {
        "value": null,
        "evidence": null,
        "confidence": 1
      },
      "batteryWh": {
        "value": "545",
        "evidence": "Kapazität: 545 Wh",
        "confidence": 1
      },
      "speedClass": {
        "value": "pedelec-25",
        "evidence": "Unterstützung: Bis zu 25 km/h",
        "confidence": 1
      },
      "batteryIntegration": {
        "value": null,
        "evidence": null,
        "confidence": 1
      },
      "frameShape": {
        "value": null,
        "evidence": null,
        "confidence": 1
      },
      "notes": "The source names the motor only as Bosch Performance Line, without an exact motor model. Battery integration is not stated. The frame is described as 'Kompaktrad', which does not deterministically establish diamond, trapeze, or step-through."
    }
  }
}

Parsed specification table

{
  "Material": "Aluminium",
  "Rahmenform": "Kompaktrad",
  "Farbe": "schwarz",
  "Herstellerfarbe": "pepper black",
  "Motor": "Bosch Performance Line",
  "Motorart": "Mittelmotor",
  "Motorhersteller": "Bosch",
  "Max. Drehmoment": "75 Nm",
  "Unterstützung": "Bis zu 25 km/h",
  "Akku": "Bosch PowerPack 545, 36V, 15,2 Ah",
  "Kapazität": "545 Wh",
  "Ladegerät": "Bosch 4A",
  "Display": "Bosch Intuvia 100",
  "Gabel": "Starrgabel",
  "Gänge": "5-Gang",
  "Schaltung": "Nabenschaltung",
  "Schalthebel": "Shimano Nexus Revo Shifter",
  "Bremshebel": "3-Finger Bremshebel",
  "Bremsenart": "Hydraulische Scheibenbremsen",
  "Bremsscheiben": "VR: 180 mm | HR: 160 mm",
  "Kette": "Gates Riemenantrieb",
  "Kassette": "46/28T",
  "Kurbel": "i:SY E-Bike Kurbel",
  "Felgen": "RYDE Andra 40 Disc, 32 H",
  "Laufradgröße": "20\"",
  "Reifen": "Schwalbe Pick Up, Super Defense, 60-406",
  "Nabe hinten": "Shimano Nexus",
  "Sattel": "Zecure Trekking, Hydro Foam Gr. L",
  "Sattelstütze": "i:SY Sattelstütze, 415 mm, ⌀ 34,9mm",
  "Pedale": "i:SY Antirutsch Pedale",
  "Lenker": "i:SY Lenker 30°",
  "Griffe": "Ergon GC10 ergonomische Griffe",
  "Vorbau": "i:SY Vorbau 70mm",
  "Scheinwerfer": "Fuxon FF-100HB, 100 Lux LED mit Fernlicht",
  "Rücklicht": "Fuxon R-Glow S LED Rücklicht",
  "Schutzbleche": "SKS Bluemels 20 Zoll, Breite 65mm",
  "Gepäckträger": "i:SY Carrier MonkeyLoad ready",
  "Sonstiges": "Horn Catena Kettenschutz, Abus Rahmenschloss 4750L NR (gleichschließend mit Akku-Schloss), Pletscher Kickstand Comp40 Flex",
  "Gewicht": "ca. 24,3 kg",
  "zul. Gesamtgewicht": "150 kg",
  "Bremsen": "Tektro HD-T532, 2 Kolben"
}

Raw adapter output

{
  "retailer": "zweirad-stadler",
  "retailerProductId": "i-sy-e5-zr-f-e-bike-kompaktrad-20-schwarz",
  "productUrl": "https://shop.zweirad-stadler.de/fahrrad-shop/e-bikes/e-kompaktrad/i-sy-e5-zr-f-e-bike-kompaktrad-20-schwarz.html",
  "extractionMethod": "server-html",
  "sourceCategory": "e-bike",
  "rawTitle": "i:SY E5 ZR F E-Bike Kompaktrad 20\" schwarz",
  "rawBrand": "i:SY",
  "price": 3798,
  "originalPrice": 4199,
  "currency": "EUR",
  "imageUrl": "https://shop.zweirad-stadler.de/out/pictures/generated/product/1/1500_1500_100/isy-e5zrf-ebike-schwarz-132421-2024a.jpg",
  "rawSpecifications": {
    "Material": "Aluminium",
    "Rahmenform": "Kompaktrad",
    "Farbe": "schwarz",
    "Herstellerfarbe": "pepper black",
    "Motor": "Bosch Performance Line",
    "Motorart": "Mittelmotor",
    "Motorhersteller": "Bosch",
    "Max. Drehmoment": "75 Nm",
    "Unterstützung": "Bis zu 25 km/h",
    "Akku": "Bosch PowerPack 545, 36V, 15,2 Ah",
    "Kapazität": "545 Wh",
    "Ladegerät": "Bosch 4A",
    "Display": "Bosch Intuvia 100",
    "Gabel": "Starrgabel",
    "Gänge": "5-Gang",
    "Schaltung": "Nabenschaltung",
    "Schalthebel": "Shimano Nexus Revo Shifter",
    "Bremshebel": "3-Finger Bremshebel",
    "Bremsenart": "Hydraulische Scheibenbremsen",
    "Bremsscheiben": "VR: 180 mm | HR: 160 mm",
    "Kette": "Gates Riemenantrieb",
    "Kassette": "46/28T",
    "Kurbel": "i:SY E-Bike Kurbel",
    "Felgen": "RYDE Andra 40 Disc, 32 H",
    "Laufradgröße": "20\"",
    "Reifen": "Schwalbe Pick Up, Super Defense, 60-406",
    "Nabe hinten": "Shimano Nexus",
    "Sattel": "Zecure Trekking, Hydro Foam Gr. L",
    "Sattelstütze": "i:SY Sattelstütze, 415 mm, ⌀ 34,9mm",
    "Pedale": "i:SY Antirutsch Pedale",
    "Lenker": "i:SY Lenker 30°",
    "Griffe": "Ergon GC10 ergonomische Griffe",
    "Vorbau": "i:SY Vorbau 70mm",
    "Scheinwerfer": "Fuxon FF-100HB, 100 Lux LED mit Fernlicht",
    "Rücklicht": "Fuxon R-Glow S LED Rücklicht",
    "Schutzbleche": "SKS Bluemels 20 Zoll, Breite 65mm",
    "Gepäckträger": "i:SY Carrier MonkeyLoad ready",
    "Sonstiges": "Horn Catena Kettenschutz, Abus Rahmenschloss 4750L NR (gleichschließend mit Akku-Schloss), Pletscher Kickstand Comp40 Flex",
    "Gewicht": "ca. 24,3 kg",
    "zul. Gesamtgewicht": "150 kg",
    "Bremsen": "Tektro HD-T532, 2 Kolben"
  },
  "rawFeatures": [
    "0% Finanzierung ab 379,80 € möglich",
    "Dienstrad-Leasing möglich",
    "14 Tage kostenloses Rückgaberecht",
    "Unsere E-Bikes werden alle vor der Auslieferung fachmännisch montiert und von unseren Werkstatt-Profis Probe gefahren",
    "Klein, aber oho! Die Kompakträder von i:SY überzeugen Radfahrer und Radfahrerinnen, die gerne im urbanen Bereichen unterwegs sind. Vollgepackt mit hochwertigen Komponenten und einer leistungsstarken elektrischen Antriebseinheit von Bosch steht dem Großstadtabenteuer nichts mehr im Wege.",
    "Leistungsstarke Antriebseinheit Bosch Performance Line mit 75 Newtonmeter Drehmoment",
    "Langanhaltende Leistung durch 545 Wattstunden Bosch PowerPack",
    "GATES® CDX Centertrack Zahnriemenantrieb",
    "Wartungsarme Shimano Nexus 5-Gang Nabenschaltung",
    "Kräftige hydraulische Scheibenbremsen",
    "Volle Vernetzung durch das Bosch Smart System",
    "Geschwindigkeit: Bis zu 25 km/h"
  ],
  "rawSizes": [
    {
      "rawSize": "47 cm",
      "size": "47",
      "sizeCm": 47,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "4-8 Werktage"
    }
  ],
  "availabilityText": "1 of 1 sizes orderable",
  "fetchedAt": "2026-09-26T08:25:16.057Z",
  "sourceMeta": {
    "savingBadge": "401 € gespartauf UVP",
    "deliveryWindows": [
      "47 cm 4-8 Werktage"
    ]
  },
  "listingPath": [
    "E-Bikes",
    "E-Kompaktrad"
  ]
}

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