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

zweirad-stadler:i-sy-e5-zr-rt-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

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

Identity

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

• brand exact (I:sy)
• model normalized to "e5 zr rt e kompaktrad 20"
• groupset family exact (Nexus)
• model year unavailable on every listing
• 2 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 (One Size)).
• 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": "The source names RYDE Andra 40 Disc rims but does not establish their material or a defensible wheel tier. It also does not explicitly establish whether shifting is electronic or whether the build is a mixed groupset.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Material: Aluminium",
      "confidence": 1
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Schalthebel: Shimano Nexus Revo Shifter",
      "confidence": 1
    },
    "groupsetFamily": {
      "value": "Nexus",
      "evidence": "Wartungsarme Shimano Nexus 5-Gang Nabenschaltung",
      "confidence": 1
    },
    "electronicShifting": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "speeds": {
      "value": "5",
      "evidence": "Gänge: 5-Gang",
      "confidence": 1
    },
    "mixedGroupset": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "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 RYDE Andra 40 Disc rims but does not establish their material or a defensible wheel tier. It also does not explicitly establish whether shifting is electronic or whether the build is a mixed groupset."
  }
}

Normalized record

{
  "id": "zweirad-stadler:i-sy-e5-zr-rt-e-bike-kompaktrad-20-schwarz",
  "retailer": "zweirad-stadler",
  "retailerProductId": "i-sy-e5-zr-rt-e-bike-kompaktrad-20-schwarz",
  "productUrl": "https://shop.zweirad-stadler.de/fahrrad-shop/e-bikes/e-kompaktrad/i-sy-e5-zr-rt-e-bike-kompaktrad-20-schwarz.html",
  "brand": "I:sy",
  "model": "E5 ZR RT E-Bike Kompaktrad 20\" schwarz",
  "modelYear": null,
  "category": "e-bike",
  "categoryBasis": "stated",
  "sourceCategory": "e-bike",
  "price": 2992,
  "originalPrice": 4199,
  "currency": "EUR",
  "discountPercent": 29,
  "frameMaterial": "aluminium",
  "frameModel": null,
  "frameTier": null,
  "groupsetBrand": "Shimano",
  "groupsetFamily": "Nexus",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": 5,
  "mixedGroupset": false,
  "groupsetComponents": {
    "shifters": "Nexus"
  },
  "groupsetTierSpread": 0,
  "crank": "i:SY E-Bike Kurbel",
  "cassette": "46 / 28 T",
  "brakes": "hydraulic-disc",
  "brakePistons": null,
  "brakeTier": "unknown",
  "suspension": "none",
  "fork": {
    "make": null,
    "line": null,
    "tier": "rigid",
    "travelMm": 0
  },
  "rearShock": null,
  "dropperPost": false,
  "beltDrive": null,
  "hubDynamo": null,
  "rack": true,
  "mudguards": true,
  "chaincase": null,
  "kickstand": null,
  "lighting": true,
  "wheelSize": "other",
  "wheelset": "RYDE Andra 40 Disc, 32 H | Shimano Deore HB-M6000, Centerlock",
  "wheelMaterial": "unknown",
  "wheelTier": "unknown",
  "tyres": "Schwalbe Pick Up, Super Defense",
  "weightKg": 24.3,
  "ebike": {
    "motor": {
      "text": "Bosch | Bosch Performance Line",
      "brand": "bosch",
      "model": null,
      "position": "mid",
      "torqueNm": 75,
      "torqueSource": "retailer",
      "ratedPowerW": null,
      "peakPowerW": null
    },
    "battery": {
      "text": "Bosch PowerPack 545",
      "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 (One Size)",
      "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-20-e5-zr-rt-ebike-kompaktrad-schwarz-700574-a.jpg",
  "rawTitle": "i:SY E5 ZR RT E-Bike Kompaktrad 20\" schwarz",
  "fetchedAt": "2026-09-26T08:25:11.392Z",
  "normalizationConfidence": 0.83,
  "warnings": [
    {
      "code": "single-size-only",
      "message": "Only one size is in stock (47 cm (One Size)).",
      "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 specifies \"Rahmenform: Kompaktrad\", which does not deterministically map to diamond, trapeze, or step-through. The exact Bosch motor model and battery integration are not stated.",
    "raw": {
      "motorBrand": {
        "value": "bosch",
        "evidence": "Motorhersteller: Bosch",
        "confidence": 1
      },
      "motorModel": {
        "value": null,
        "evidence": null,
        "confidence": 0
      },
      "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": 0
      },
      "frameShape": {
        "value": null,
        "evidence": null,
        "confidence": 0
      },
      "notes": "The source specifies \"Rahmenform: Kompaktrad\", which does not deterministically map to diamond, trapeze, or step-through. The exact Bosch motor model and battery integration are not stated."
    }
  }
}

Parsed specification table

{
  "Material": "Aluminium",
  "Farbe": "schwarz",
  "Gabel": "Starrgabel",
  "Steuersatz": "i:SY Steuersatz",
  "Schaltung": "Nabenschaltung",
  "Gänge": "5-Gang",
  "Schalthebel": "Shimano Nexus Revo Shifter",
  "Bremsenart": "Hydraulische Scheibenbremsen",
  "Bremsen": "Tektro HD-T532",
  "Bremshebel": "3-Finger Bremshebel",
  "Bremsscheiben": "180 mm vo; 160 mm hi",
  "Rücktrittbremse": "Ja",
  "Kurbel": "i:SY E-Bike Kurbel",
  "Pedale": "i:SY Antirutsch Faltpedal",
  "Kassette": "46 / 28 T",
  "Lenker": "i:SY Lenker 30°",
  "Griffe": "Ergon GC10 ERGONomische Griffe",
  "Vorbau": "i:SY Vorbau 70mm",
  "Sattelstütze Art": "Patent",
  "Sattelstütze": "i:SY Sattelstütze, 415 mm, 34,9mm",
  "Sattel": "ZECURE Trekking, Hydro Foam Gr. L",
  "Laufradgröße": "20\"",
  "Felgen": "RYDE Andra 40 Disc, 32 H",
  "Speichen": "32 x Niro 2,0 mm",
  "Reifen": "Schwalbe Pick Up, Super Defense",
  "Nabe vorne": "Shimano Deore HB-M6000, Centerlock",
  "Motorart": "Mittelmotor",
  "Motorhersteller": "Bosch",
  "Motor": "Bosch Performance Line",
  "Max. Drehmoment": "75 Nm",
  "Unterstützung": "bis zu 25 km/h",
  "Akku Hersteller": "Bosch",
  "Akku": "Bosch PowerPack 545",
  "Kapazität": "545 Wh",
  "Ladegerät": "Bosch 4A Charger",
  "Display": "Bosch Intuvia 100",
  "Scheinwerfer": "FUXON FF-100HB, 100 Lux LED mit Fernlicht",
  "Rücklicht": "FUXON R-Glow S LED Rücklicht",
  "Gepäckträger": "i:SY Carrier MonkeyLoad ready",
  "Schutzbleche": "SKS Bluemels 20 Zoll, Breite 65 mm",
  "Sonstiges": "Pletscher Kickstand Comp40 Flex Ständer; Abus i:SY-SET gleichschließend, bestehend aus Akku- und Rahmenschloss (BLO BOS DT3 + 4750SL NR)",
  "Gewicht": "ca. 24,3 kg",
  "zul. Gesamtgewicht": "max. 150 kg",
  "Rahmenform": "Kompaktrad",
  "Herstellerfarbe": "pepper black"
}

Raw adapter output

{
  "retailer": "zweirad-stadler",
  "retailerProductId": "i-sy-e5-zr-rt-e-bike-kompaktrad-20-schwarz",
  "productUrl": "https://shop.zweirad-stadler.de/fahrrad-shop/e-bikes/e-kompaktrad/i-sy-e5-zr-rt-e-bike-kompaktrad-20-schwarz.html",
  "extractionMethod": "server-html",
  "sourceCategory": "e-bike",
  "rawTitle": "i:SY E5 ZR RT E-Bike Kompaktrad 20\" schwarz",
  "rawBrand": "i:SY",
  "price": 2992,
  "originalPrice": 4199,
  "currency": "EUR",
  "imageUrl": "https://shop.zweirad-stadler.de/out/pictures/generated/product/1/1500_1500_100/isy-20-e5-zr-rt-ebike-kompaktrad-schwarz-700574-a.jpg",
  "rawSpecifications": {
    "Material": "Aluminium",
    "Farbe": "schwarz",
    "Gabel": "Starrgabel",
    "Steuersatz": "i:SY Steuersatz",
    "Schaltung": "Nabenschaltung",
    "Gänge": "5-Gang",
    "Schalthebel": "Shimano Nexus Revo Shifter",
    "Bremsenart": "Hydraulische Scheibenbremsen",
    "Bremsen": "Tektro HD-T532",
    "Bremshebel": "3-Finger Bremshebel",
    "Bremsscheiben": "180 mm vo; 160 mm hi",
    "Rücktrittbremse": "Ja",
    "Kurbel": "i:SY E-Bike Kurbel",
    "Pedale": "i:SY Antirutsch Faltpedal",
    "Kassette": "46 / 28 T",
    "Lenker": "i:SY Lenker 30°",
    "Griffe": "Ergon GC10 ERGONomische Griffe",
    "Vorbau": "i:SY Vorbau 70mm",
    "Sattelstütze Art": "Patent",
    "Sattelstütze": "i:SY Sattelstütze, 415 mm, 34,9mm",
    "Sattel": "ZECURE Trekking, Hydro Foam Gr. L",
    "Laufradgröße": "20\"",
    "Felgen": "RYDE Andra 40 Disc, 32 H",
    "Speichen": "32 x Niro 2,0 mm",
    "Reifen": "Schwalbe Pick Up, Super Defense",
    "Nabe vorne": "Shimano Deore HB-M6000, Centerlock",
    "Motorart": "Mittelmotor",
    "Motorhersteller": "Bosch",
    "Motor": "Bosch Performance Line",
    "Max. Drehmoment": "75 Nm",
    "Unterstützung": "bis zu 25 km/h",
    "Akku Hersteller": "Bosch",
    "Akku": "Bosch PowerPack 545",
    "Kapazität": "545 Wh",
    "Ladegerät": "Bosch 4A Charger",
    "Display": "Bosch Intuvia 100",
    "Scheinwerfer": "FUXON FF-100HB, 100 Lux LED mit Fernlicht",
    "Rücklicht": "FUXON R-Glow S LED Rücklicht",
    "Gepäckträger": "i:SY Carrier MonkeyLoad ready",
    "Schutzbleche": "SKS Bluemels 20 Zoll, Breite 65 mm",
    "Sonstiges": "Pletscher Kickstand Comp40 Flex Ständer; Abus i:SY-SET gleichschließend, bestehend aus Akku- und Rahmenschloss (BLO BOS DT3 + 4750SL NR)",
    "Gewicht": "ca. 24,3 kg",
    "zul. Gesamtgewicht": "max. 150 kg",
    "Rahmenform": "Kompaktrad",
    "Herstellerfarbe": "pepper black"
  },
  "rawFeatures": [
    "47 cm (One Size) 4-8 Werktage",
    "0% Finanzierung ab 299,20 € 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. In dieser Variante mit Rücktrittbremse ausgestattet.",
    "Leistungsstarke Antriebseinheit Bosch Performance Line mit 75 Newtonmeter Drehmoment",
    "Langanhaltende Leistung durch 545 Wattstunden Bosch PowerPack",
    "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 (One Size)",
      "size": "47",
      "sizeCm": 47,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "4-8 Werktage"
    }
  ],
  "availabilityText": "1 of 1 sizes orderable",
  "fetchedAt": "2026-09-26T08:25:11.392Z",
  "sourceMeta": {
    "savingBadge": "1207 € gespartauf UVP",
    "deliveryWindows": [
      "47 cm (One Size) 4-8 Werktage"
    ]
  },
  "listingPath": [
    "E-Bikes",
    "E-Kompaktrad"
  ]
}

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