i:SY S8 ZR F Belt 545 Kompaktrad 20" blau

zweirad-stadler:i-sy-s8-zr-f-belt-545-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

retailer label	alpha	comparable cm	match	mapping	in stock	variant price	evidence
47 cm (Onesize)	—	—	unknown	unsupported	yes	listing price	—

retailer label

alpha

comparable cm

match

mapping

in stock

variant price

evidence

47 cm (Onesize)

—

unknown

unsupported

yes

listing price

—

mapping	unsupported
reason	"47 cm (Onesize)" could not be read as a frame size.

mapping

unsupported

reason

"47 cm (Onesize)" could not be read as a frame size.

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

Identity

Only listing of this configuration — nothing to merge.

Provenance — why we believe each fact

field source evidence

brand retailer:zweirad-stadler / parse i:SY

model retailer:zweirad-stadler / derived i:SY S8 ZR F Belt 545 Kompaktrad 20" blau

category retailer:zweirad-stadler / derived retailer taxonomy

frameMaterial retailer:zweirad-stadler / parse Aluminium

groupsetFamily retailer:zweirad-stadler / dictionary Shimano Nexus Revoshifter || Shimano Nexus

electronicShifting retailer:zweirad-stadler / derived Shimano Nexus Revoshifter || Shimano Nexus

speeds retailer:zweirad-stadler / parse 8-Gang

brakes retailer:zweirad-stadler / parse Hydraulische Scheibenbremsen

brakePistons retailer:zweirad-stadler / parse 2-Kolben

suspension retailer:zweirad-stadler / derived Starrgabel

fork retailer:zweirad-stadler / dictionary Starrgabel

dropperPost retailer:zweirad-stadler / derived seatpost row "By.Schulz G.2 ST" names no dropper, in a 46-field spec table

rack retailer:zweirad-stadler / parse i:SY Carrier 2.0 Monkey Load Ready

mudguards retailer:zweirad-stadler / parse SKS Bluemels 20 Zoll, Breite 65 mm

kickstand retailer:zweirad-stadler / parse Pletscher Kickstand Comp40 Flex

lighting retailer:zweirad-stadler / parse FUXON FF-100EB, 100 Lux LED mit Fernlicht

wheelSize retailer:zweirad-stadler / parse 20

weightKg retailer:zweirad-stadler / parse Gewicht: ca. 24,7 kg

powerMeter retailer:zweirad-stadler / derived absent from a 46-field spec table

availability retailer:zweirad-stadler / derived 1 of 1 sizes orderable

ebike.motor retailer:zweirad-stadler / parse Bosch | Bosch Active Line Plus

ebike.motor.position retailer:zweirad-stadler / parse Mittelmotor

ebike.motor.torqueNm retailer:zweirad-stadler / parse 60 Nm

ebike.speedClass retailer:zweirad-stadler / parse Unterstützung: bis 25 km/h

ebike.eDiscipline retailer:zweirad-stadler / parse shelf: E-Kompaktrad

ebike.display retailer:zweirad-stadler / parse Display: Bosch Intuvia 100

ebike.maxSystemWeightKg retailer:zweirad-stadler / parse zul. Gesamtgewicht: max. 150 kg

ebike.battery.capacityWh ai / ai (1) Kapazität: 545 Wh

field	source	evidence
brand	`retailer:zweirad-stadler` / parse	i:SY
model	`retailer:zweirad-stadler` / derived	i:SY S8 ZR F Belt 545 Kompaktrad 20" blau
category	`retailer:zweirad-stadler` / derived	retailer taxonomy
frameMaterial	`retailer:zweirad-stadler` / parse	Aluminium
groupsetFamily	`retailer:zweirad-stadler` / dictionary	Shimano Nexus Revoshifter \|\| Shimano Nexus
electronicShifting	`retailer:zweirad-stadler` / derived	Shimano Nexus Revoshifter \|\| Shimano Nexus
speeds	`retailer:zweirad-stadler` / parse	8-Gang
brakes	`retailer:zweirad-stadler` / parse	Hydraulische Scheibenbremsen
brakePistons	`retailer:zweirad-stadler` / parse	2-Kolben
suspension	`retailer:zweirad-stadler` / derived	Starrgabel
fork	`retailer:zweirad-stadler` / dictionary	Starrgabel
dropperPost	`retailer:zweirad-stadler` / derived	seatpost row "By.Schulz G.2 ST" names no dropper, in a 46-field spec table
rack	`retailer:zweirad-stadler` / parse	i:SY Carrier 2.0 Monkey Load Ready
mudguards	`retailer:zweirad-stadler` / parse	SKS Bluemels 20 Zoll, Breite 65 mm
kickstand	`retailer:zweirad-stadler` / parse	Pletscher Kickstand Comp40 Flex
lighting	`retailer:zweirad-stadler` / parse	FUXON FF-100EB, 100 Lux LED mit Fernlicht
wheelSize	`retailer:zweirad-stadler` / parse	20
weightKg	`retailer:zweirad-stadler` / parse	Gewicht: ca. 24,7 kg
powerMeter	`retailer:zweirad-stadler` / derived	absent from a 46-field spec table
availability	`retailer:zweirad-stadler` / derived	1 of 1 sizes orderable
ebike.motor	`retailer:zweirad-stadler` / parse	Bosch \| Bosch Active Line Plus
ebike.motor.position	`retailer:zweirad-stadler` / parse	Mittelmotor
ebike.motor.torqueNm	`retailer:zweirad-stadler` / parse	60 Nm
ebike.speedClass	`retailer:zweirad-stadler` / parse	Unterstützung: bis 25 km/h
ebike.eDiscipline	`retailer:zweirad-stadler` / parse	shelf: E-Kompaktrad
ebike.display	`retailer:zweirad-stadler` / parse	Display: Bosch Intuvia 100
ebike.maxSystemWeightKg	`retailer:zweirad-stadler` / parse	zul. Gesamtgewicht: max. 150 kg
ebike.battery.capacityWh	`ai` / ai (1)	Kapazität: 545 Wh

Warnings

info single-size-only — Only one size is in stock (47 cm (Onesize)).
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.",
    "24.7 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 Andra40 rims but does not establish wheel material or a defensible wheel tier. The drivetrain is a Shimano Nexus hub gear; no power meter is mentioned.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Material: Aluminium",
      "confidence": 1
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Schaltwerk: Shimano Nexus",
      "confidence": 1
    },
    "groupsetFamily": {
      "value": "Nexus",
      "evidence": "8-Gang Shimano Nexus Nabenschaltung",
      "confidence": 1
    },
    "electronicShifting": {
      "value": "false",
      "evidence": "Nabenschaltung",
      "confidence": 0.9
    },
    "speeds": {
      "value": "8",
      "evidence": "Gänge: 8-Gang",
      "confidence": 1
    },
    "mixedGroupset": {
      "value": "false",
      "evidence": "8-Gang Shimano Nexus Nabenschaltung",
      "confidence": 0.95
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "brakes": {
      "value": "hydraulic-disc",
      "evidence": "Bremsen vorne: Tektro HD-T280, hydraulische 2-Kolben Scheibenbremse",
      "confidence": 1
    },
    "weightKg": {
      "value": "24.7",
      "evidence": "Gewicht: ca. 24,7 kg",
      "confidence": 1
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "notes": "The source names Ryde Andra40 rims but does not establish wheel material or a defensible wheel tier. The drivetrain is a Shimano Nexus hub gear; no power meter is mentioned."
  }
}

Normalized record

{
  "id": "zweirad-stadler:i-sy-s8-zr-f-belt-545-kompaktrad-20-blau",
  "retailer": "zweirad-stadler",
  "retailerProductId": "i-sy-s8-zr-f-belt-545-kompaktrad-20-blau",
  "productUrl": "https://shop.zweirad-stadler.de/fahrrad-shop/e-bikes/e-kompaktrad/i-sy-s8-zr-f-belt-545-kompaktrad-20-blau.html",
  "brand": "I:sy",
  "model": "S8 ZR F Belt 545 Kompaktrad 20\" blau",
  "modelYear": null,
  "category": "e-bike",
  "categoryBasis": "route",
  "sourceCategory": "e-bike",
  "price": 3899,
  "originalPrice": null,
  "currency": "EUR",
  "discountPercent": null,
  "frameMaterial": "aluminium",
  "frameModel": null,
  "frameTier": null,
  "groupsetBrand": "Shimano",
  "groupsetFamily": "Nexus",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": 8,
  "mixedGroupset": false,
  "groupsetComponents": {
    "shifters": "Nexus",
    "rearDerailleur": "Nexus"
  },
  "groupsetTierSpread": 0,
  "crank": "i:SY E-Bike Kurbel",
  "cassette": "63/22T",
  "brakes": "hydraulic-disc",
  "brakePistons": 2,
  "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": true,
  "lighting": true,
  "wheelSize": "other",
  "wheelset": "Ryde Andra40 20\" | Shimano Deore HB-M5100, Centerlock | Shimano SG-C6001-8D",
  "wheelMaterial": "unknown",
  "wheelTier": "unknown",
  "tyres": "Schwalbe Pick Up, Super Defense, 60-406",
  "weightKg": 24.7,
  "ebike": {
    "motor": {
      "text": "Bosch | Bosch Active Line Plus",
      "brand": "bosch",
      "model": null,
      "position": "mid",
      "torqueNm": 60,
      "torqueSource": "retailer",
      "ratedPowerW": null,
      "peakPowerW": null
    },
    "battery": {
      "text": null,
      "capacityWh": 545,
      "count": null,
      "integration": "unknown",
      "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 (Onesize)",
      "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-s8-zr-f-belt-545-blau-kompaktrad-20-134799-a.jpg",
  "rawTitle": "i:SY S8 ZR F Belt 545 Kompaktrad 20\" blau",
  "fetchedAt": "2026-09-26T08:25:20.780Z",
  "normalizationConfidence": 0.83,
  "warnings": [
    {
      "code": "single-size-only",
      "message": "Only one size is in stock (47 cm (Onesize)).",
      "severity": "info"
    },
    {
      "code": "wheel-material-unknown",
      "message": "Wheel material could not be established.",
      "severity": "info"
    }
  ],
  "ebikeAi": {
    "requested": [
      "motorModel",
      "batteryWh",
      "batteryIntegration",
      "frameShape"
    ],
    "applied": [
      "batteryWh"
    ],
    "rejected": [],
    "notes": "Der Motor wird als „Bosch Active Line Plus“ genannt, aber die Quelle nennt keine eindeutig zuordenbare exakte Motoreinheit. „Rahmenform: Kompakt“ lässt sich keiner der vorgegebenen Rahmenformen Diamant, Trapez oder Tiefeinsteiger eindeutig zuordnen. Die Batterieintegration wird nicht angegeben.",
    "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 25 km/h",
        "confidence": 1
      },
      "batteryIntegration": {
        "value": null,
        "evidence": null,
        "confidence": 1
      },
      "frameShape": {
        "value": null,
        "evidence": null,
        "confidence": 1
      },
      "notes": "Der Motor wird als „Bosch Active Line Plus“ genannt, aber die Quelle nennt keine eindeutig zuordenbare exakte Motoreinheit. „Rahmenform: Kompakt“ lässt sich keiner der vorgegebenen Rahmenformen Diamant, Trapez oder Tiefeinsteiger eindeutig zuordnen. Die Batterieintegration wird nicht angegeben."
    }
  }
}

Parsed specification table

{
  "Material": "Aluminium",
  "Farbe": "blau",
  "Gabel": "Original I:SY Starrgabel",
  "Steuersatz": "i:SY Steuersatz",
  "Schaltung": "Nabenschaltung",
  "Gänge": "8-Gang",
  "Schaltwerk": "Shimano Nexus",
  "Schalthebel": "Shimano Nexus Revoshifter",
  "Bremsenart": "Hydraulische Scheibenbremsen",
  "Bremshebel": "3-Finger Bremshebel",
  "Bremsscheiben": "180 mm/ 180 mm",
  "Kurbel": "i:SY E-Bike Kurbel",
  "Pedale": "i:SY Antirutsch Faltpedal",
  "Kassette": "63/22T",
  "Lenker": "i:SY Lenker 30°",
  "Griffe": "ERGON GC10 ERGONomische Griffe",
  "Vorbau": "i:SY Vorbau 70 mm",
  "Sattelstütze": "By.Schulz G.2 ST",
  "Sattel": "ZECURE Hydro Foam, Gr. M",
  "Laufradgröße": "20\"",
  "Felgen": "Ryde Andra40 20\"",
  "Speichen": "32xNiro 2,0 mm",
  "Reifen": "Schwalbe Pick Up, Super Defense, 60-406",
  "Nabe vorne": "Shimano Deore HB-M5100, Centerlock",
  "Nabe hinten": "Shimano SG-C6001-8D",
  "Motorart": "Mittelmotor",
  "Motorhersteller": "Bosch",
  "Motor": "Bosch Active Line Plus",
  "Max. Drehmoment": "60 Nm",
  "Unterstützung": "bis 25 km/h",
  "Kapazität": "545 Wh",
  "Display": "Bosch Intuvia 100",
  "Scheinwerfer": "FUXON FF-100EB, 100 Lux LED mit Fernlicht",
  "Rücklicht": "FUXON R-Glow S LED Rücklicht",
  "Gepäckträger": "i:SY Carrier 2.0 Monkey Load Ready",
  "Schutzbleche": "SKS Bluemels 20 Zoll, Breite 65 mm",
  "Gewicht": "ca. 24,7 kg",
  "zul. Gesamtgewicht": "max. 150 kg",
  "Rahmenform": "Kompakt",
  "Herstellerfarbe": "dusty blue",
  "Bremsen vorne": "Tektro HD-T280, hydraulische 2-Kolben Scheibenbremse",
  "Bremsen hinten": "Tektro HD-T280, hydraulische 2-Kolben Scheibenbremse",
  "Riemenantrieb": "Ja",
  "Reifengröße": "60-406",
  "Fahrradschloss": "Abus i:SY-Set gleichschließend, bestehend aus Akku- und Rahmenschloss (BLO BOS DT3.2 + 4750SL NR)",
  "Fahrradständer": "Pletscher Kickstand Comp40 Flex"
}

Raw adapter output

{
  "retailer": "zweirad-stadler",
  "retailerProductId": "i-sy-s8-zr-f-belt-545-kompaktrad-20-blau",
  "productUrl": "https://shop.zweirad-stadler.de/fahrrad-shop/e-bikes/e-kompaktrad/i-sy-s8-zr-f-belt-545-kompaktrad-20-blau.html",
  "extractionMethod": "server-html",
  "sourceCategory": "e-bike",
  "rawTitle": "i:SY S8 ZR F Belt 545 Kompaktrad 20\" blau",
  "rawBrand": "i:SY",
  "price": 3899,
  "originalPrice": null,
  "currency": "EUR",
  "imageUrl": "https://shop.zweirad-stadler.de/out/pictures/generated/product/1/1500_1500_100/isy-s8-zr-f-belt-545-blau-kompaktrad-20-134799-a.jpg",
  "rawSpecifications": {
    "Material": "Aluminium",
    "Farbe": "blau",
    "Gabel": "Original I:SY Starrgabel",
    "Steuersatz": "i:SY Steuersatz",
    "Schaltung": "Nabenschaltung",
    "Gänge": "8-Gang",
    "Schaltwerk": "Shimano Nexus",
    "Schalthebel": "Shimano Nexus Revoshifter",
    "Bremsenart": "Hydraulische Scheibenbremsen",
    "Bremshebel": "3-Finger Bremshebel",
    "Bremsscheiben": "180 mm/ 180 mm",
    "Kurbel": "i:SY E-Bike Kurbel",
    "Pedale": "i:SY Antirutsch Faltpedal",
    "Kassette": "63/22T",
    "Lenker": "i:SY Lenker 30°",
    "Griffe": "ERGON GC10 ERGONomische Griffe",
    "Vorbau": "i:SY Vorbau 70 mm",
    "Sattelstütze": "By.Schulz G.2 ST",
    "Sattel": "ZECURE Hydro Foam, Gr. M",
    "Laufradgröße": "20\"",
    "Felgen": "Ryde Andra40 20\"",
    "Speichen": "32xNiro 2,0 mm",
    "Reifen": "Schwalbe Pick Up, Super Defense, 60-406",
    "Nabe vorne": "Shimano Deore HB-M5100, Centerlock",
    "Nabe hinten": "Shimano SG-C6001-8D",
    "Motorart": "Mittelmotor",
    "Motorhersteller": "Bosch",
    "Motor": "Bosch Active Line Plus",
    "Max. Drehmoment": "60 Nm",
    "Unterstützung": "bis 25 km/h",
    "Kapazität": "545 Wh",
    "Display": "Bosch Intuvia 100",
    "Scheinwerfer": "FUXON FF-100EB, 100 Lux LED mit Fernlicht",
    "Rücklicht": "FUXON R-Glow S LED Rücklicht",
    "Gepäckträger": "i:SY Carrier 2.0 Monkey Load Ready",
    "Schutzbleche": "SKS Bluemels 20 Zoll, Breite 65 mm",
    "Gewicht": "ca. 24,7 kg",
    "zul. Gesamtgewicht": "max. 150 kg",
    "Rahmenform": "Kompakt",
    "Herstellerfarbe": "dusty blue",
    "Bremsen vorne": "Tektro HD-T280, hydraulische 2-Kolben Scheibenbremse",
    "Bremsen hinten": "Tektro HD-T280, hydraulische 2-Kolben Scheibenbremse",
    "Riemenantrieb": "Ja",
    "Reifengröße": "60-406",
    "Fahrradschloss": "Abus i:SY-Set gleichschließend, bestehend aus Akku- und Rahmenschloss (BLO BOS DT3.2 + 4750SL NR)",
    "Fahrradständer": "Pletscher Kickstand Comp40 Flex"
  },
  "rawFeatures": [
    "47 cm (Onesize) 4-8 Werktage",
    "0% Finanzierung ab 389,90 € 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",
    "Entdecken Sie das vielseitige i:SY S8 ZR F Belt Kompaktrad, jetzt ausgestattet mit dem innovativen und wartungsarmen GATES CDX Zahnriemen. Dieses Premium-E-Bike Kompakt kombiniert die bewährte SHIMANO Nexus 8-Gang Nabenschaltung mit dem harmonischen BOSCH Active Line Plus Motor für ein müheloses Fahrerlebnis im Alltag und auf Touren.",
    "Bosch Active Line Plus (Smart System) Motor 60 Nm",
    "8-Gang Shimano Nexus Nabenschaltung mit Gates CDX Zahnriemen-Antrieb",
    "Tektro Hydraulische Scheibenbremsen",
    "Gewicht lt. Hersteller: ca. 24,7 kg",
    "Zul. Gesamtgewicht: max. 150 kg",
    "Technische Maße ca.: Länge: 160,9 cm; Höhe: 113,4 cm; Breite: 28 cm; Einstiegshöhe: 48 cm"
  ],
  "rawSizes": [
    {
      "rawSize": "47 cm (Onesize)",
      "size": "47",
      "sizeCm": 47,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "4-8 Werktage"
    }
  ],
  "availabilityText": "1 of 1 sizes orderable",
  "fetchedAt": "2026-09-26T08:25:20.780Z",
  "sourceMeta": {
    "savingBadge": null,
    "deliveryWindows": [
      "47 cm (Onesize) 4-8 Werktage"
    ]
  },
  "listingPath": [
    "E-Bikes",
    "E-Kompaktrad"
  ]
}

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