← Review table (e-bike) · shopper page

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

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

Eligibility

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

Size decisions

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

• brand exact (I:sy)
• model normalized to "e5 zr f e kompaktrad 20"
• groupset family exact (Nexus)
• model year unavailable on every listing
• 3 listings across 1 retailer
• downgraded to medium: no shared GTIN, and no listing states a model year

Provenance — why we believe each fact

Warnings

• info single-size-only — Only one size is in stock (47 cm).
• info wheel-material-unknown — Wheel material could not be established.

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": "Wheel material and wheel tier are not established by the source. The source names the rim model \"RYDE Andra 40 Disc, 32 H\" but does not state its material or provide sufficient tier information. Mixed groupset is treated as false because only Shimano Nexus is identified as the drivetrain group.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Material: Aluminium",
      "confidence": 1
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "5-Gang Shimano Nexus Nabenschaltung",
      "confidence": 1
    },
    "groupsetFamily": {
      "value": "Nexus",
      "evidence": "5-Gang Shimano Nexus Nabenschaltung",
      "confidence": 1
    },
    "electronicShifting": {
      "value": "false",
      "evidence": "Schaltung: Nabenschaltung",
      "confidence": 0.98
    },
    "speeds": {
      "value": "5",
      "evidence": "Gänge: 5-Gang",
      "confidence": 1
    },
    "mixedGroupset": {
      "value": "false",
      "evidence": "5-Gang Shimano Nexus Nabenschaltung",
      "confidence": 0.8
    },
    "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": "Wheel material and wheel tier are not established by the source. The source names the rim model \"RYDE Andra 40 Disc, 32 H\" but does not state its material or provide sufficient tier information. Mixed groupset is treated as false because only Shimano Nexus is identified as the drivetrain group."
  }
}

Normalized record

{
  "id": "zweirad-stadler:i-sy-e5-zr-f-e-bike-kompaktrad-20-blau",
  "retailer": "zweirad-stadler",
  "retailerProductId": "i-sy-e5-zr-f-e-bike-kompaktrad-20-blau",
  "productUrl": "https://shop.zweirad-stadler.de/fahrrad-shop/e-bikes/e-kompaktrad/i-sy-e5-zr-f-e-bike-kompaktrad-20-blau.html",
  "brand": "I:sy",
  "model": "E5 ZR F E-Bike Kompaktrad 20\" blau",
  "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": 1,
      "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-blau-132422-2024aa.jpg",
  "rawTitle": "i:SY E5 ZR F E-Bike Kompaktrad 20\" blau",
  "fetchedAt": "2026-09-26T08:25:17.468Z",
  "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",
      "frameShape"
    ],
    "applied": [],
    "rejected": [],
    "notes": "The source names the motor as Bosch Performance Line but does not establish an exact motor model. The frame is described as \"Kompaktrad\", which does not deterministically map to the permitted frame-shape values. Battery integration is not stated.",
    "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 as Bosch Performance Line but does not establish an exact motor model. The frame is described as \"Kompaktrad\", which does not deterministically map to the permitted frame-shape values. Battery integration is not stated."
    }
  }
}

Parsed specification table

{
  "Material": "Aluminium",
  "Rahmenform": "Kompaktrad",
  "Farbe": "blau",
  "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-blau",
  "productUrl": "https://shop.zweirad-stadler.de/fahrrad-shop/e-bikes/e-kompaktrad/i-sy-e5-zr-f-e-bike-kompaktrad-20-blau.html",
  "extractionMethod": "server-html",
  "sourceCategory": "e-bike",
  "rawTitle": "i:SY E5 ZR F E-Bike Kompaktrad 20\" blau",
  "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-blau-132422-2024aa.jpg",
  "rawSpecifications": {
    "Material": "Aluminium",
    "Rahmenform": "Kompaktrad",
    "Farbe": "blau",
    "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.",
    "Bosch Performance Line 75 Nm",
    "545 Wh Bosch PowerPack Akku",
    "5-Gang Shimano Nexus Nabenschaltung",
    "Tektro Hydraulische Scheibenbremsen",
    "GATES® CDX Centertrack Zahnriemenantrieb",
    "Volle Vernetzung durch das Bosch Smart System",
    "Gewicht lt. Hersteller: ca. 24,3 kg"
  ],
  "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": "2026-09-26T08:25:17.468Z",
  "sourceMeta": {
    "savingBadge": "401 € gespartauf UVP",
    "deliveryWindows": [
      "47 cm 4-8 Werktage"
    ]
  },
  "listingPath": [
    "E-Bikes",
    "E-Kompaktrad"
  ]
}

Impressum · Privacy · Contact · About BikeFind