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Kona Dew, gloss niagra

biker-boarder:3159882 · source URL · confidence 0.95 · GTIN 0841073189489, 0841073189496, 0841073189502

Eligibility

Can win a band.

Size decisions

retailer labelalphacomparable cmmatchmappingin stockvariant priceevidence
S // 42 cmS42 cmexact scalestated by the retailer?listing priceS // 42 cm
M // 47 cmM47 cmexact scalestated by the retaileryes€519M // 47 cm
L // 52 cmL52 cmexact scalestated by the retaileryes€519L // 52 cm

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

Identity

Canonical configuration: Kona | Dew | Altus | 2026
Confidence: high

retailerpricesizes in stock
fahrrad.de€489S, M, XL, Ldebug
BIKER-BOARDER€519M // 47 cm, L // 52 cmdebug

Provenance — why we believe each fact

fieldsourceevidence
brandretailer:biker-boarder / parsekona
modelretailer:biker-boarder / derivedKona Dew, gloss niagra
categoryretailer:biker-boarder / derivedretailer taxonomy
frameMaterialretailer:biker-boarder / parse6061
groupsetFamilyretailer:biker-boarder / dictionaryShimano ALTUS 8-fach || Shimano ESSA RDU2000
electronicShiftingretailer:biker-boarder / parsemechanisch
speedsretailer:biker-boarder / parse8-fach
brakesretailer:biker-boarder / parsehydr. Scheibenbremse
brakePistonsretailer:biker-boarder / parse2-Kolben
suspensionretailer:biker-boarder / derivedno suspension fork and no rear shock on a drop-bar listing
forkretailer:biker-boarder / dictionaryKona 6061 Aluminum
dropperPostretailer:biker-boarder / derivedseatpost row "Kona w/Offset 27,2 mm / 375 mm" names no dropper, in a 39-field spec table
beltDriveretailer:biker-boarder / parseKMC
kickstandretailer:biker-boarder / parseinklusive
wheelSizeretailer:biker-boarder / parse29
wheelMaterialretailer:biker-boarder / parseAluminum
powerMeterretailer:biker-boarder / derivedabsent from a 39-field spec table
availabilityretailer:biker-boarder / derived5-12 Werktage
productModelYearretailer:fahrrad-de / derived (0.9)Modelljahr: 2026

Warnings

Score breakdown

{
  "frameScore": 11,
  "drivetrainScore": 6,
  "wheelScore": 5,
  "extrasScore": 3,
  "suspensionScore": 0,
  "weightAdjustment": 0,
  "equipmentValue": 25,
  "notes": [
    "Shimano Essa = 6.",
    "Mixed groupset, but no crank or cassette below the family it is ranked as: no penalty.",
    "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\" +3.",
    "Weight not published: no weight adjustment either way."
  ],
  "marketPrice": 755,
  "valueScore": 1.455,
  "savingsVsMarket": 236
}

AI normalization

{
  "requested": [
    "wheelMaterial",
    "wheelTier",
    "weightKg"
  ],
  "applied": [],
  "rejected": [],
  "notes": "groupsetFamily set to null because the build uses multiple Shimano families (e.g. ALTUS shifters and ACERA cassette) and a clear single family is not established. wheelTier is null because the rims are a generic 'Double Wall Aluminum' house specification rather than a named wheelset model. weightKg is null because no complete-bike weight is stated.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Rahmenmaterial: Aluminium",
      "confidence": 0.9
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Shimano ESSA 8-fach Schaltung",
      "confidence": 0.9
    },
    "groupsetFamily": {
      "value": null,
      "evidence": null,
      "confidence": 0.6
    },
    "electronicShifting": {
      "value": "false",
      "evidence": "Schaltart: mechanisch",
      "confidence": 0.9
    },
    "speeds": {
      "value": "8",
      "evidence": "Gänge: 8",
      "confidence": 0.9
    },
    "mixedGroupset": {
      "value": "true",
      "evidence": "Schalthebel: Shimano ALTUS 8-fach\nKassette: Shimano ACERA 11-45 Z., 8-fach",
      "confidence": 0.9
    },
    "wheelMaterial": {
      "value": "aluminium",
      "evidence": "Felgen: Double Wall Aluminum",
      "confidence": 0.9
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 0.6
    },
    "brakes": {
      "value": "hydraulic-disc",
      "evidence": "Bremsentyp: hydr. Scheibenbremse",
      "confidence": 0.9
    },
    "weightKg": {
      "value": null,
      "evidence": null,
      "confidence": 0.6
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 0.6
    },
    "notes": "groupsetFamily set to null because the build uses multiple Shimano families (e.g. ALTUS shifters and ACERA cassette) and a clear single family is not established. wheelTier is null because the rims are a generic 'Double Wall Aluminum' house specification rather than a named wheelset model. weightKg is null because no complete-bike weight is stated."
  }
}

Normalized record

{
  "id": "biker-boarder:3159882",
  "retailer": "biker-boarder",
  "retailerProductId": "3159882",
  "productUrl": "https://www.biker-boarder.de/kona/3159882.html",
  "brand": "Kona",
  "model": "Dew, gloss niagra",
  "modelYear": null,
  "category": "city",
  "categoryBasis": "route",
  "sourceCategory": "city",
  "price": 519,
  "originalPrice": null,
  "currency": "EUR",
  "discountPercent": null,
  "frameMaterial": "aluminium",
  "frameModel": "Kona 6061 Aluminum Butted",
  "frameTier": null,
  "groupsetBrand": "Shimano",
  "groupsetFamily": "Essa",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": 8,
  "mixedGroupset": true,
  "groupsetComponents": {
    "shifters": "Altus",
    "rearDerailleur": "Essa",
    "crank": "Essa",
    "cassette": "Acera"
  },
  "groupsetTierSpread": 0,
  "crank": "Shimano ESSA 2000 / S-M: 170 mm / L-XL: 175 mm",
  "cassette": "Shimano ACERA 11-45 Z., 8-fach",
  "brakes": "hydraulic-disc",
  "brakePistons": 2,
  "brakeTier": "unknown",
  "suspension": "none",
  "fork": {
    "make": null,
    "line": null,
    "tier": "rigid",
    "travelMm": 0
  },
  "rearShock": null,
  "dropperPost": false,
  "beltDrive": false,
  "hubDynamo": null,
  "rack": null,
  "mudguards": null,
  "chaincase": null,
  "kickstand": true,
  "lighting": null,
  "wheelSize": "29",
  "wheelset": "Double Wall Aluminum | Joytech 9x100 mm | Joytech 10x135 mm",
  "wheelMaterial": "aluminium",
  "wheelTier": "unknown",
  "tyres": "WTB GROOV-E 29x2.00",
  "weightKg": null,
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "S // 42 cm",
      "size": "42",
      "sizeCm": 42,
      "inStock": null,
      "stockCount": null,
      "price": null
    },
    {
      "rawSize": "M // 47 cm",
      "size": "47",
      "sizeCm": 47,
      "inStock": true,
      "stockCount": null,
      "price": 519
    },
    {
      "rawSize": "L // 52 cm",
      "size": "52",
      "sizeCm": 52,
      "inStock": true,
      "stockCount": null,
      "price": 519
    }
  ],
  "seller": null,
  "availability": "in-stock",
  "gtins": [
    "0841073189489",
    "0841073189496",
    "0841073189502"
  ],
  "imageUrl": "https://img.biker-boarder.de/products/400x300c/af/af3d83b6-54a3-4a06-8cfb-19fd0913f776.jpg",
  "rawTitle": "Kona Dew, gloss niagra",
  "fetchedAt": "2026-09-19T06:30:26.508Z",
  "normalizationConfidence": 0.95,
  "warnings": [
    {
      "code": "mixed-groupset",
      "message": "Not a uniform groupset: {\"shifters\":\"Altus\",\"rearDerailleur\":\"Essa\",\"crank\":\"Essa\",\"cassette\":\"Acera\"}. Ranked on the shifting level, with a penalty.",
      "severity": "info"
    },
    {
      "code": "model-year-from-product",
      "message": "This shop does not publish a model year. The 1 other listing of this product agree it is a 2026, read here from fahrrad-de's listing (Kona Dew blue (2026)).",
      "severity": "info"
    }
  ],
  "productModelYear": 2026
}

Parsed specification table

{
  "Bike Einsatzzweck": "City",
  "Rahmen": "Kona 6061 Aluminum Butted",
  "Rahmenmaterial": "Aluminium",
  "Rahmenform": "Diamantrahmen",
  "Gabel": "Kona 6061 Aluminum",
  "Steuersatz": "Feimin ZS44/ZS44",
  "Vorbau": "Kona 31,8 mm / Rise 3º / Länge 45 mm",
  "Lenker": "Kona Back 10º / Up 6º / Rise 70 mm / Breite 700 mm",
  "Griffe": "Kona Key",
  "Bremsen": "Tektro M280 2-Kolben / Tektro 160mm 6B 1,8 mm",
  "Bremshebel": "Tektro",
  "Bremsentyp": "hydr. Scheibenbremse",
  "Schaltwerk": "Shimano ESSA RDU2000",
  "Schalthebel": "Shimano ALTUS 8-fach",
  "Schaltart": "mechanisch",
  "Kassette": "Shimano ACERA 11-45 Z., 8-fach",
  "Kette": "KMC Z8.3",
  "Kurbelsatz": "Shimano ESSA 2000 / S-M: 170 mm / L-XL: 175 mm",
  "Kettenblätter": "40",
  "Schaltung/Antrieb": "Kettenschaltung",
  "Antrieb": "1x",
  "Gänge": "8",
  "Innenlager": "Feimin BSA 73 mm",
  "Pedale": "Feimin Platform",
  "Felgen": "Double Wall Aluminum",
  "Nabe vorn": "Joytech 9x100 mm",
  "Nabe hinten": "Joytech 10x135 mm",
  "Speichen": "Stainless 2.0 mm Black",
  "Laufradgröße": "29",
  "Reifen": "WTB GROOV-E 29x2.00",
  "Sattel": "Kona Commuter",
  "Sattelstützenklemme": "Kona Clamp 31,8 mm",
  "Sattelstütze": "Kona w/Offset 27,2 mm / 375 mm",
  "Ständer": "inklusive",
  "Klingel": "inklusive",
  "Artikelnummern": "S // 42 cm | SKU: 3159883, EAN: 0841073189489, MPN: B37DWBLSHIN01 M // 47 cm | SKU: 3159884, EAN: 0841073189496, MPN: B37DWBLSHIN03 L // 52 cm | SKU: 3159885, EAN: 0841073189502, MPN: B37DWBLSHIN05",
  "S // 42 cm | SKU": "3159883, EAN: 0841073189489, MPN: B37DWBLSHIN01",
  "M // 47 cm | SKU": "3159884, EAN: 0841073189496, MPN: B37DWBLSHIN03",
  "L // 52 cm | SKU": "3159885, EAN: 0841073189502, MPN: B37DWBLSHIN05"
}

Raw adapter output

{
  "retailer": "biker-boarder",
  "retailerProductId": "3159882",
  "productUrl": "https://www.biker-boarder.de/kona/3159882.html",
  "extractionMethod": "server-html",
  "sourceCategory": "city",
  "rawTitle": "Kona Dew, gloss niagra",
  "rawBrand": "kona",
  "price": 519,
  "originalPrice": null,
  "currency": "EUR",
  "imageUrl": "https://img.biker-boarder.de/products/400x300c/af/af3d83b6-54a3-4a06-8cfb-19fd0913f776.jpg",
  "rawSpecifications": {
    "Bike Einsatzzweck": "City",
    "Rahmen": "Kona 6061 Aluminum Butted",
    "Rahmenmaterial": "Aluminium",
    "Rahmenform": "Diamantrahmen",
    "Gabel": "Kona 6061 Aluminum",
    "Steuersatz": "Feimin ZS44/ZS44",
    "Vorbau": "Kona 31,8 mm / Rise 3º / Länge 45 mm",
    "Lenker": "Kona Back 10º / Up 6º / Rise 70 mm / Breite 700 mm",
    "Griffe": "Kona Key",
    "Bremsen": "Tektro M280 2-Kolben / Tektro 160mm 6B 1,8 mm",
    "Bremshebel": "Tektro",
    "Bremsentyp": "hydr. Scheibenbremse",
    "Schaltwerk": "Shimano ESSA RDU2000",
    "Schalthebel": "Shimano ALTUS 8-fach",
    "Schaltart": "mechanisch",
    "Kassette": "Shimano ACERA 11-45 Z., 8-fach",
    "Kette": "KMC Z8.3",
    "Kurbelsatz": "Shimano ESSA 2000 / S-M: 170 mm / L-XL: 175 mm",
    "Kettenblätter": "40",
    "Schaltung/Antrieb": "Kettenschaltung",
    "Antrieb": "1x",
    "Gänge": "8",
    "Innenlager": "Feimin BSA 73 mm",
    "Pedale": "Feimin Platform",
    "Felgen": "Double Wall Aluminum",
    "Nabe vorn": "Joytech 9x100 mm",
    "Nabe hinten": "Joytech 10x135 mm",
    "Speichen": "Stainless 2.0 mm Black",
    "Laufradgröße": "29",
    "Reifen": "WTB GROOV-E 29x2.00",
    "Sattel": "Kona Commuter",
    "Sattelstützenklemme": "Kona Clamp 31,8 mm",
    "Sattelstütze": "Kona w/Offset 27,2 mm / 375 mm",
    "Ständer": "inklusive",
    "Klingel": "inklusive",
    "Artikelnummern": "S // 42 cm | SKU: 3159883, EAN: 0841073189489, MPN: B37DWBLSHIN01 M // 47 cm | SKU: 3159884, EAN: 0841073189496, MPN: B37DWBLSHIN03 L // 52 cm | SKU: 3159885, EAN: 0841073189502, MPN: B37DWBLSHIN05",
    "S // 42 cm | SKU": "3159883, EAN: 0841073189489, MPN: B37DWBLSHIN01",
    "M // 47 cm | SKU": "3159884, EAN: 0841073189496, MPN: B37DWBLSHIN03",
    "L // 52 cm | SKU": "3159885, EAN: 0841073189502, MPN: B37DWBLSHIN05"
  },
  "rawFeatures": [
    "Das Kona Dew ist leicht, unkompliziert und darauf ausgelegt, mehr Menschen aufs Fahrrad zu bringen – ein Allrounder für jedermann. Dank seines Aluminiumrahmens ist es leicht und erschwinglich und damit der perfekte Einstieg in die Dew-Familie. Zuverlässig, einfach zu fahren und bereit für den täglichen Weg zur Arbeit oder Ausflüge am Wochenende.",
    "Dew – Do The Dew And Win The Commute: Die Dews sind gleichermaßen funktionell und spaßig und definieren Pendler- und Stadtfahrten auf der ganzen Welt neu. Mit analogen und pedalunterstützten Optionen für jedes Budget und zwei Optionen mit Schutzblechen, Beleuchtung und Ständern für alle Bedingungen gibt es ein Dew, das genau das Richtige für dich ist.",
    "10 x 135 mm Standard-Schnellspannachse",
    "Gabel Kona 6061 Aluminum Starrgabel 9 x 100 mm Standard-Schnellspannachse",
    "Kona 6061 Aluminum Starrgabel",
    "9 x 100 mm Standard-Schnellspannachse",
    "Ausstattung Shimano ESSA 8-fach Schaltung hydraulische Tektro Scheibenbremsen inkl. Fahrradständer",
    "Shimano ESSA 8-fach Schaltung",
    "hydraulische Tektro Scheibenbremsen",
    "Einsatzbereich City: 5 von 5",
    "Lieferumfang 1 Urbanbike inkl. Pedale",
    "Technische Änderungen und Irrtümer in Bild und Text vorbehalten."
  ],
  "rawSizes": [
    {
      "rawSize": "S // 42 cm",
      "size": "42",
      "sizeCm": 42,
      "inStock": null,
      "stockCount": null,
      "price": null
    },
    {
      "rawSize": "M // 47 cm",
      "size": "47",
      "sizeCm": 47,
      "inStock": true,
      "stockCount": null,
      "price": 519
    },
    {
      "rawSize": "L // 52 cm",
      "size": "52",
      "sizeCm": 52,
      "inStock": true,
      "stockCount": null,
      "price": 519
    }
  ],
  "availabilityText": "5-12 Werktage",
  "fetchedAt": "2026-09-19T06:30:26.508Z",
  "sourceMeta": {
    "discountBadge": "-26%",
    "listedSizes": [
      "M",
      "L"
    ],
    "articleNumbers": "S // 42 cm | SKU: 3159883, EAN: 0841073189489, MPN: B37DWBLSHIN01 M // 47 cm | SKU: 3159884, EAN: 0841073189496, MPN: B37DWBLSHIN03 L // 52 cm | SKU: 3159885, EAN: 0841073189502, MPN: B37DWBLSHIN05"
  }
}

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