← Review table (e-bike) · shopper page

Hercules Roberta Deluxe I-R8 625 E-Bike City Bike Herren 28" schwarz

zweirad-stadler:hercules-roberta-deluxe-i-r8-625-e-bike-city-bike-herren-28-schwarz · source URL · confidence 1

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 → 57 cm in stock · 58 → 57 cm in stock · 60 → 61 cm in stock

Identity

Only listing of this configuration — nothing to merge.

Provenance — why we believe each fact

Warnings

none

Score breakdown

{
  "frameScore": 11,
  "drivetrainScore": 0,
  "wheelScore": 5,
  "extrasScore": 0,
  "suspensionScore": 0,
  "weightAdjustment": 0,
  "equipmentValue": 16,
  "notes": [
    "Groupset not identified: 0 drivetrain points.",
    "Wheels \"basic-aluminium\" = 5.",
    "Brakes \"hydraulic-disc\" = 0, the baseline for mtb-hardtail.",
    "Weight not published: no weight adjustment either way.",
    "Fork series not stated: scored at the bottom of the fork ladder rather than assumed."
  ],
  "marketPrice": null,
  "valueScore": null,
  "savingsVsMarket": null
}

AI normalization

{
  "requested": [
    "weightKg"
  ],
  "applied": [],
  "rejected": [],
  "notes": "The source does not state the complete-bike weight. The wheel listing names the rim model \"Rodi Web 19\" but does not establish its material or a defensible wheel tier. The drivetrain is an internal-gear hub system; no derailleur is specified.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Material: Aluminium",
      "confidence": 1
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "8-Gang Nabenschaltung von Shimano mit Drehgriffschalter",
      "confidence": 1
    },
    "groupsetFamily": {
      "value": "Nexus",
      "evidence": "Schalthebel: Shimano Nexus Revo Shifter",
      "confidence": 0.99
    },
    "electronicShifting": {
      "value": "false",
      "evidence": "8-Gang Nabenschaltung von Shimano mit Drehgriffschalter",
      "confidence": 0.99
    },
    "speeds": {
      "value": "8",
      "evidence": "Gänge: 8-Gang",
      "confidence": 1
    },
    "mixedGroupset": {
      "value": "false",
      "evidence": "Schalthebel: Shimano Nexus Revo Shifter",
      "confidence": 0.85
    },
    "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": null,
      "evidence": null,
      "confidence": 1
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "notes": "The source does not state the complete-bike weight. The wheel listing names the rim model \"Rodi Web 19\" but does not establish its material or a defensible wheel tier. The drivetrain is an internal-gear hub system; no derailleur is specified."
  }
}

Normalized record

{
  "id": "zweirad-stadler:hercules-roberta-deluxe-i-r8-625-e-bike-city-bike-herren-28-schwarz",
  "retailer": "zweirad-stadler",
  "retailerProductId": "hercules-roberta-deluxe-i-r8-625-e-bike-city-bike-herren-28-schwarz",
  "productUrl": "https://shop.zweirad-stadler.de/fahrrad-shop/e-bikes/e-citybike/hercules-roberta-deluxe-i-r8-625-e-bike-city-bike-herren-28-schwarz.html",
  "brand": "Hercules",
  "model": "Roberta Deluxe I-R8 625 E-Bike City Bike 28\" schwarz",
  "modelYear": null,
  "category": "e-bike",
  "categoryBasis": "stated",
  "sourceCategory": "e-bike",
  "price": 2899,
  "originalPrice": 3799,
  "currency": "EUR",
  "discountPercent": 24,
  "frameMaterial": "aluminium",
  "frameModel": null,
  "frameTier": null,
  "groupsetBrand": "Shimano",
  "groupsetFamily": "Nexus",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": 8,
  "mixedGroupset": false,
  "groupsetComponents": {
    "shifters": "Nexus",
    "hubs": "Nexus"
  },
  "groupsetTierSpread": 0,
  "crank": "Hercules EC38",
  "cassette": "Shimano 19T",
  "brakes": "hydraulic-disc",
  "brakePistons": null,
  "brakeTier": "unknown",
  "suspension": "front",
  "fork": {
    "make": "SR Suntour",
    "line": null,
    "tier": "unknown",
    "travelMm": 63
  },
  "rearShock": null,
  "dropperPost": false,
  "beltDrive": false,
  "hubDynamo": null,
  "rack": true,
  "mudguards": true,
  "chaincase": null,
  "kickstand": null,
  "lighting": true,
  "wheelSize": "28",
  "wheelset": "Rodi Web 19 | SHIMANO HB-MT200, QR | Shimano Nexus",
  "wheelMaterial": "aluminium",
  "wheelTier": "basic-aluminium",
  "tyres": "Schwalbe Energizer Active Plus, GreenGuard",
  "weightKg": null,
  "ebike": {
    "motor": {
      "text": "Bosch | Bosch Active Line Plus",
      "brand": "bosch",
      "model": null,
      "position": "mid",
      "torqueNm": 50,
      "torqueSource": "retailer",
      "ratedPowerW": null,
      "peakPowerW": null
    },
    "battery": {
      "text": "Bosch PowerTube Horizontal",
      "capacityWh": 625,
      "count": null,
      "integration": "integrated",
      "removable": true
    },
    "speedClass": "pedelec-25",
    "rangeExtender": "unknown",
    "display": "Bosch Intuvia",
    "abs": null,
    "autoShift": null,
    "statedRangeKm": null,
    "eDiscipline": "e-city",
    "eDisciplineBasis": "leaf",
    "frameShape": "unknown",
    "cargoType": "unknown",
    "maxSystemWeightKg": 135,
    "rackCapacityKg": null,
    "weightIncludesBattery": null
  },
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "57 cm",
      "size": "57",
      "sizeCm": 57,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "4-8 Werktage"
    },
    {
      "rawSize": "61 cm",
      "size": "61",
      "sizeCm": 61,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "7-14 Werktage"
    }
  ],
  "seller": null,
  "availability": "in-stock",
  "gtins": [],
  "imageUrl": "https://shop.zweirad-stadler.de/out/pictures/generated/product/1/1500_1500_100/hercules-robert-ir8-deluxe-sw-e-bike-132313.jpg",
  "rawTitle": "Hercules Roberta Deluxe I-R8 625 E-Bike City Bike Herren 28\" schwarz",
  "fetchedAt": "2026-09-26T08:23:01.006Z",
  "normalizationConfidence": 1,
  "warnings": [],
  "ebikeAi": {
    "requested": [
      "motorModel",
      "batteryWh",
      "frameShape"
    ],
    "applied": [
      "batteryWh"
    ],
    "rejected": [],
    "notes": "The source names the motor as Bosch Active Line Plus, but does not establish one of the permitted exact motorModel unit identifiers. The frame is described as Herren, which does not deterministically map to the permitted frameShape values.",
    "raw": {
      "motorBrand": {
        "value": "bosch",
        "evidence": "Motorhersteller: Bosch",
        "confidence": 1
      },
      "motorModel": {
        "value": null,
        "evidence": null,
        "confidence": 1
      },
      "batteryWh": {
        "value": "625",
        "evidence": "Kapazität: 625 Wh",
        "confidence": 1
      },
      "speedClass": {
        "value": "pedelec-25",
        "evidence": "Unterstützung: Bis zu 25 km/h",
        "confidence": 1
      },
      "batteryIntegration": {
        "value": "integrated",
        "evidence": "625 Wattstunden PowerTube Akku (im Rahmen integriert/herausnehmbar)",
        "confidence": 1
      },
      "frameShape": {
        "value": null,
        "evidence": null,
        "confidence": 1
      },
      "notes": "The source names the motor as Bosch Active Line Plus, but does not establish one of the permitted exact motorModel unit identifiers. The frame is described as Herren, which does not deterministically map to the permitted frameShape values."
    }
  }
}

Parsed specification table

{
  "Material": "Aluminium",
  "Farbe": "schwarz",
  "Gabel": "SR SUNTOUR NEX-E25 HLO, einstellbar, Lockout",
  "Federweg Gabel": "63 mm",
  "Schaltung": "Nabenschaltung",
  "Gänge": "8-Gang",
  "Schalthebel": "Shimano Nexus Revo Shifter",
  "Bremsenart": "Hydraulische Scheibenbremsen",
  "Bremsen": "TEKTRO HD-T280",
  "Bremsscheiben": "Hinten: TEKTRO TR160-47, 160 mm",
  "Rücktrittbremse": "Ja",
  "Kurbel": "Hercules EC38",
  "Kassette": "Shimano 19T",
  "Kette": "KMC Z610",
  "Lenker": "Ergo City, Aluminium, 640 mm, 35° backsweep, 31,8 mm",
  "Vorbau": "A-Head, verstellbar",
  "Sattelstütze Art": "Gefedert",
  "Sattelstütze": "LIMOTEC S1-Z, 350 mm, 50 mm Federweg",
  "Sattel": "Selle Bassano Suprema M",
  "Laufradgröße": "28\"",
  "Felgen": "Rodi Web 19",
  "Reifen": "Schwalbe Energizer Active Plus, GreenGuard",
  "Nabe vorne": "SHIMANO HB-MT200, QR",
  "Nabe hinten": "Shimano Nexus",
  "Motorart": "Mittelmotor",
  "Motorhersteller": "Bosch",
  "Motor": "Bosch Active Line Plus",
  "Max. Drehmoment": "50 Nm",
  "Unterstützung": "Bis zu 25 km/h",
  "Akku Hersteller": "Bosch",
  "Akku": "Bosch PowerTube Horizontal",
  "Kapazität": "625 Wh",
  "Ladegerät": "Ja",
  "Display": "Bosch Intuvia",
  "Scheinwerfer": "HERCULES FS-50, LED, bis zu 50 Lux",
  "Rücklicht": "COMUS, ICR-11, LED",
  "Gepäckträger": "i-Rack Systemträger R8, Federklappe",
  "Schutzbleche": "Ja",
  "zul. Gesamtgewicht": "135 kg",
  "Rahmenform": "Herren"
}

Raw adapter output

{
  "retailer": "zweirad-stadler",
  "retailerProductId": "hercules-roberta-deluxe-i-r8-625-e-bike-city-bike-herren-28-schwarz",
  "productUrl": "https://shop.zweirad-stadler.de/fahrrad-shop/e-bikes/e-citybike/hercules-roberta-deluxe-i-r8-625-e-bike-city-bike-herren-28-schwarz.html",
  "extractionMethod": "server-html",
  "sourceCategory": "e-bike",
  "rawTitle": "Hercules Roberta Deluxe I-R8 625 E-Bike City Bike Herren 28\" schwarz",
  "rawBrand": "Hercules",
  "price": 2899,
  "originalPrice": 3799,
  "currency": "EUR",
  "imageUrl": "https://shop.zweirad-stadler.de/out/pictures/generated/product/1/1500_1500_100/hercules-robert-ir8-deluxe-sw-e-bike-132313.jpg",
  "rawSpecifications": {
    "Material": "Aluminium",
    "Farbe": "schwarz",
    "Gabel": "SR SUNTOUR NEX-E25 HLO, einstellbar, Lockout",
    "Federweg Gabel": "63 mm",
    "Schaltung": "Nabenschaltung",
    "Gänge": "8-Gang",
    "Schalthebel": "Shimano Nexus Revo Shifter",
    "Bremsenart": "Hydraulische Scheibenbremsen",
    "Bremsen": "TEKTRO HD-T280",
    "Bremsscheiben": "Hinten: TEKTRO TR160-47, 160 mm",
    "Rücktrittbremse": "Ja",
    "Kurbel": "Hercules EC38",
    "Kassette": "Shimano 19T",
    "Kette": "KMC Z610",
    "Lenker": "Ergo City, Aluminium, 640 mm, 35° backsweep, 31,8 mm",
    "Vorbau": "A-Head, verstellbar",
    "Sattelstütze Art": "Gefedert",
    "Sattelstütze": "LIMOTEC S1-Z, 350 mm, 50 mm Federweg",
    "Sattel": "Selle Bassano Suprema M",
    "Laufradgröße": "28\"",
    "Felgen": "Rodi Web 19",
    "Reifen": "Schwalbe Energizer Active Plus, GreenGuard",
    "Nabe vorne": "SHIMANO HB-MT200, QR",
    "Nabe hinten": "Shimano Nexus",
    "Motorart": "Mittelmotor",
    "Motorhersteller": "Bosch",
    "Motor": "Bosch Active Line Plus",
    "Max. Drehmoment": "50 Nm",
    "Unterstützung": "Bis zu 25 km/h",
    "Akku Hersteller": "Bosch",
    "Akku": "Bosch PowerTube Horizontal",
    "Kapazität": "625 Wh",
    "Ladegerät": "Ja",
    "Display": "Bosch Intuvia",
    "Scheinwerfer": "HERCULES FS-50, LED, bis zu 50 Lux",
    "Rücklicht": "COMUS, ICR-11, LED",
    "Gepäckträger": "i-Rack Systemträger R8, Federklappe",
    "Schutzbleche": "Ja",
    "zul. Gesamtgewicht": "135 kg",
    "Rahmenform": "Herren"
  },
  "rawFeatures": [
    "0% Finanzierung ab 289,89 € 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",
    "Die Robert/a-Serie von Hercules umfasst optisch und technisch ansprechende Tourenbikes, die mit harmonischen Bosch-Motoren sowie wartungsfreien Nabenschaltungen ausgestattet sind. Sie eigenen sich hervorragend für die alternative Fortbewegung in der Stadt oder für Ausflüge am Wochenende. Die formvollendeten Rahmen in klassischem Schwarz vermitteln zeitlose Eleganz.",
    "Active Plus Antriebseinheit von Bosch 50 Nm",
    "625 Wattstunden PowerTube Akku (im Rahmen integriert/herausnehmbar)",
    "8-Gang Nabenschaltung von Shimano mit Drehgriffschalter",
    "Tektro Hydraulische Scheibenbremsen",
    "Praktischer Gepäckträger und helle Beleuchtung",
    "Zulässiges Gesamtgewicht: max. 135 kg",
    "Geschwindigkeit: Bis zu 25 km/h"
  ],
  "rawSizes": [
    {
      "rawSize": "57 cm",
      "size": "57",
      "sizeCm": 57,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "4-8 Werktage"
    },
    {
      "rawSize": "61 cm",
      "size": "61",
      "sizeCm": 61,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "7-14 Werktage"
    }
  ],
  "availabilityText": "2 of 2 sizes orderable",
  "fetchedAt": "2026-09-26T08:23:01.006Z",
  "sourceMeta": {
    "savingBadge": "900 € gespartauf UVP",
    "deliveryWindows": [
      "57 cm 4-8 Werktage",
      "61 cm 7-14 Werktage"
    ]
  },
  "listingPath": [
    "E-Bikes",
    "E-Citybike"
  ]
}

Impressum · Privacy · Contact · About BikeFind