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Stevens Tonga Gent bitter lemon

bikes-de:stevens-tonga-2026 · source URL · confidence 0.83 · GTIN 4045985057577, 4045985057584, 4045985057591, 4045985057607 +1

Eligibility

Can win a band.

Size decisions

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

Identity

Canonical configuration: Stevens | Tonga Gent bitter lemon | CUES | 2026
Confidence: medium

• brand exact (Stevens)
• model normalized to "tonga gent bitter lemon"
• groupset family exact (CUES)
• GTIN match (4045985057591)
• listings state different model years (2025, 2026); the shared manufacturer barcode says they are one SKU and is trusted over the year fields
• 2 listings across 2 retailers
• downgraded to medium: listings disagree on speeds: 9 vs 10
• conflict: speeds: 9 vs 10

Provenance — why we believe each fact

Warnings

• info wheel-material-unknown — Wheel material could not be established.

Score breakdown

{
  "frameScore": 11,
  "drivetrainScore": 7,
  "wheelScore": 5,
  "extrasScore": 0,
  "suspensionScore": 0,
  "weightAdjustment": -0.3,
  "equipmentValue": 22.7,
  "notes": [
    "Shimano CUES = 11.",
    "9-speed -4.",
    "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.",
    "14.6 kg vs 14.4 kg mtb-hardtail reference = -0.3.",
    "Fork series not stated: scored at the bottom of the fork ladder rather than assumed."
  ],
  "marketPrice": 637,
  "valueScore": 0.867,
  "savingsVsMarket": -97.99000000000001
}

AI normalization

{
  "requested": [
    "wheelMaterial",
    "wheelTier",
    "weightKg"
  ],
  "applied": [
    "weightKg"
  ],
  "rejected": [],
  "notes": "Wheel material and wheel tier are not stated; rims listed as \"Felgen: ... Oxygen RM-M19\" but no material or recognisable tier mapping provided. Electronic shifting is not explicitly mentioned as absent, so electronicShifting is left null. No power meter mentioned and none explicitly excluded.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Rahmenmaterial lt. Hersteller: Aluminium",
      "confidence": 0.95
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Umwerfer: SHIMANO CUES U4000 FD-U4000-LM4",
      "confidence": 0.9
    },
    "groupsetFamily": {
      "value": "CUES",
      "evidence": "Umwerfer: SHIMANO CUES U4000 FD-U4000-LM4",
      "confidence": 0.9
    },
    "electronicShifting": {
      "value": null,
      "evidence": null,
      "confidence": 0.3
    },
    "speeds": {
      "value": "18",
      "evidence": "Anzahl Gänge: 18",
      "confidence": 0.95
    },
    "mixedGroupset": {
      "value": "false",
      "evidence": "Umwerfer: SHIMANO CUES U4000 FD-U4000-LM4\nSchaltwerk: SHIMANO CUES U4000 Shadow RD-U3020-SGS, 18fach",
      "confidence": 0.9
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 0.3
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 0.3
    },
    "brakes": {
      "value": "hydraulic-disc",
      "evidence": "Bremsen: Hydraulische Scheibenbremse",
      "confidence": 0.95
    },
    "weightKg": {
      "value": "14.6",
      "evidence": "Gewicht: 14.6",
      "confidence": 0.95
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 0.3
    },
    "notes": "Wheel material and wheel tier are not stated; rims listed as \"Felgen: ... Oxygen RM-M19\" but no material or recognisable tier mapping provided. Electronic shifting is not explicitly mentioned as absent, so electronicShifting is left null. No power meter mentioned and none explicitly excluded."
  }
}

Normalized record

{
  "id": "bikes-de:stevens-tonga-2026",
  "retailer": "bikes-de",
  "retailerProductId": "stevens-tonga-2026",
  "productUrl": "https://www.bikes.de/shop/fahrraeder/marke.stevens/stevens-tonga-2026/",
  "brand": "Stevens",
  "model": "Tonga Gent bitter lemon",
  "modelYear": 2026,
  "category": "mtb",
  "categoryBasis": "route",
  "sourceCategory": "mtb",
  "price": 734.99,
  "originalPrice": null,
  "currency": "EUR",
  "discountPercent": null,
  "frameMaterial": "aluminium",
  "frameModel": null,
  "frameTier": null,
  "groupsetBrand": "Shimano",
  "groupsetFamily": "CUES",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": 9,
  "mixedGroupset": false,
  "groupsetComponents": {
    "shifters": "CUES",
    "rearDerailleur": "CUES",
    "frontDerailleur": "CUES",
    "crank": "CUES",
    "cassette": "CUES"
  },
  "groupsetTierSpread": 0,
  "crank": "SHIMANO CUES U4000, 36-22 Z.",
  "cassette": "SHIMANO CS-LG300-9, 9fach",
  "brakes": "hydraulic-disc",
  "brakePistons": null,
  "brakeTier": "unknown",
  "suspension": "front",
  "fork": {
    "make": "SR Suntour",
    "line": "XCM",
    "tier": "unknown",
    "travelMm": 100
  },
  "rearShock": null,
  "dropperPost": false,
  "beltDrive": false,
  "hubDynamo": null,
  "rack": null,
  "mudguards": null,
  "chaincase": true,
  "kickstand": null,
  "lighting": null,
  "wheelSize": "28",
  "wheelset": "VR: Oxygen RM-M19, 27.5\": 19 x 584 | 29\": 19 x 622, HR: Oxygen RM-M19, 27.5\": 19 x 584 | 29\": 19 x 622 | Formula CL-51 | Formula CL-52",
  "wheelMaterial": "unknown",
  "wheelTier": "unknown",
  "tyres": "VR: Schwalbe Smart Sam Active-Line, 27.5\": 57-584 | 29\": 57-622, HR: Schwalbe Smart Sam Active-Line, 27.5\": 57-584 | 29\": 57-622",
  "weightKg": 14.6,
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "14 | (28\")",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": null
    },
    {
      "rawSize": "16 | (28\")",
      "size": null,
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": 734.99
    },
    {
      "rawSize": "18 | (28\")",
      "size": null,
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": 749
    },
    {
      "rawSize": "20 | (28\")",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": null
    },
    {
      "rawSize": "22 | (28\")",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": null
    }
  ],
  "seller": null,
  "availability": "in-stock",
  "gtins": [
    "4045985057577",
    "4045985057584",
    "4045985057591",
    "4045985057607",
    "4045985057614"
  ],
  "imageUrl": "https://bikes-opt.b-cdn.net/stevens/2026/3034437_01.jpg",
  "rawTitle": "Stevens Tonga Gent bitter lemon",
  "fetchedAt": "2026-09-19T05:58:44.849Z",
  "normalizationConfidence": 0.83,
  "warnings": [
    {
      "code": "wheel-material-unknown",
      "message": "Wheel material could not be established.",
      "severity": "info"
    }
  ]
}

Parsed specification table

{
  "Rahmenmaterial lt. Hersteller": "Aluminium",
  "Gabel": "SR Suntour XCM DS",
  "Gabel Federweg (mm)": "100",
  "Schaltungstyp": "Kettenschaltung",
  "Anzahl Gänge": "18",
  "Umwerfer": "SHIMANO CUES U4000 FD-U4000-LM4",
  "Schaltwerk": "SHIMANO CUES U4000 Shadow RD-U3020-SGS, 18fach",
  "Schalthebel": "SHIMANO CUES U4000 SL-U4000-L / SHIMANO CUES U4000 SL-U4000-9R",
  "Zahnkranz": "SHIMANO CS-LG300-9, 9fach",
  "Bremsen": "Hydraulische Scheibenbremse",
  "Bremse": "VR: Tektro HD-T275, HR: Tektro HD-T275",
  "Bremshebel": "Tektro HD-T275",
  "Bremsscheiben": "VR: Tektro TR180-35, 180 mm, HR: TR160-35, 160 mm",
  "Laufradgröße": "28 Zoll",
  "Reifen": "VR: Schwalbe Smart Sam Active-Line, 27.5\": 57-584 | 29\": 57-622, HR: Schwalbe Smart Sam Active-Line, 27.5\": 57-584 | 29\": 57-622",
  "Vorderrad-Nabe": "Formula CL-51",
  "Hinterrad-Nabe": "Formula CL-52",
  "Felgen": "VR: Oxygen RM-M19, 27.5\": 19 x 584 | 29\": 19 x 622, HR: Oxygen RM-M19, 27.5\": 19 x 584 | 29\": 19 x 622",
  "Kurbelsatz": "SHIMANO CUES U4000, 36-22 Z.",
  "Pedale": "ATB Pro Reflex",
  "Innenlager": "BSA 73 mm",
  "Lenker": "Oxygen Driver 740 mm",
  "Vorbau": "Oxygen Driver",
  "Steuersatz": "STEVENS MTB 1 1/8\"",
  "Sattel": "Oxygen Havoc",
  "Sattelstütze": "Oxygen Driver",
  "Straßenzulassung": "Nein",
  "Kettenschutz": "1",
  "Marke": "Stevens",
  "EAN": "4045985057577",
  "Hersteller Artikelnummer": "225011263",
  "Modellserie Bezeichnung": "Tonga",
  "Rahmenform lt. Hersteller": "Gent",
  "Markenfarbe": "bitter lemon",
  "Rahmenhöhe": "14 | (28\")",
  "Jahr": "2026",
  "Zielgruppe": "Damen",
  "Gewicht": "14.6",
  "Zulässiges Gesamtgewicht": "115"
}

Raw adapter output

{
  "retailer": "bikes-de",
  "retailerProductId": "stevens-tonga-2026",
  "productUrl": "https://www.bikes.de/shop/fahrraeder/marke.stevens/stevens-tonga-2026/",
  "extractionMethod": "server-html",
  "sourceCategory": "mtb",
  "rawTitle": "Stevens Tonga Gent bitter lemon",
  "rawBrand": "Stevens",
  "price": 734.99,
  "originalPrice": null,
  "currency": "EUR",
  "imageUrl": "https://bikes-opt.b-cdn.net/stevens/2026/3034437_01.jpg",
  "rawSpecifications": {
    "Rahmenmaterial lt. Hersteller": "Aluminium",
    "Gabel": "SR Suntour XCM DS",
    "Gabel Federweg (mm)": "100",
    "Schaltungstyp": "Kettenschaltung",
    "Anzahl Gänge": "18",
    "Umwerfer": "SHIMANO CUES U4000 FD-U4000-LM4",
    "Schaltwerk": "SHIMANO CUES U4000 Shadow RD-U3020-SGS, 18fach",
    "Schalthebel": "SHIMANO CUES U4000 SL-U4000-L / SHIMANO CUES U4000 SL-U4000-9R",
    "Zahnkranz": "SHIMANO CS-LG300-9, 9fach",
    "Bremsen": "Hydraulische Scheibenbremse",
    "Bremse": "VR: Tektro HD-T275, HR: Tektro HD-T275",
    "Bremshebel": "Tektro HD-T275",
    "Bremsscheiben": "VR: Tektro TR180-35, 180 mm, HR: TR160-35, 160 mm",
    "Laufradgröße": "28 Zoll",
    "Reifen": "VR: Schwalbe Smart Sam Active-Line, 27.5\": 57-584 | 29\": 57-622, HR: Schwalbe Smart Sam Active-Line, 27.5\": 57-584 | 29\": 57-622",
    "Vorderrad-Nabe": "Formula CL-51",
    "Hinterrad-Nabe": "Formula CL-52",
    "Felgen": "VR: Oxygen RM-M19, 27.5\": 19 x 584 | 29\": 19 x 622, HR: Oxygen RM-M19, 27.5\": 19 x 584 | 29\": 19 x 622",
    "Kurbelsatz": "SHIMANO CUES U4000, 36-22 Z.",
    "Pedale": "ATB Pro Reflex",
    "Innenlager": "BSA 73 mm",
    "Lenker": "Oxygen Driver 740 mm",
    "Vorbau": "Oxygen Driver",
    "Steuersatz": "STEVENS MTB 1 1/8\"",
    "Sattel": "Oxygen Havoc",
    "Sattelstütze": "Oxygen Driver",
    "Straßenzulassung": "Nein",
    "Kettenschutz": "1",
    "Marke": "Stevens",
    "EAN": "4045985057577",
    "Hersteller Artikelnummer": "225011263",
    "Modellserie Bezeichnung": "Tonga",
    "Rahmenform lt. Hersteller": "Gent",
    "Markenfarbe": "bitter lemon",
    "Rahmenhöhe": "14 | (28\")",
    "Jahr": "2026",
    "Zielgruppe": "Damen",
    "Gewicht": "14.6",
    "Zulässiges Gesamtgewicht": "115"
  },
  "rawFeatures": [],
  "rawSizes": [
    {
      "rawSize": "14 | (28\")",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": null
    },
    {
      "rawSize": "16 | (28\")",
      "size": null,
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": 734.99
    },
    {
      "rawSize": "18 | (28\")",
      "size": null,
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": 749
    },
    {
      "rawSize": "20 | (28\")",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": null
    },
    {
      "rawSize": "22 | (28\")",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": null
    }
  ],
  "availabilityText": "2 of 5 frame sizes offered for shipping by a bikes.de dealer",
  "fetchedAt": "2026-09-19T05:58:44.849Z",
  "sourceMeta": {
    "dealers": [
      "FAHRRAD MARCKS",
      "Radelmeister Giengen"
    ],
    "listingRows": 2,
    "articleNumbers": [
      "3034438",
      "3034444"
    ],
    "skus": [
      "4045985057584",
      "4045985057591",
      "4045985057607",
      "4045985057614"
    ],
    "leafCategory": "MTB Hardtails"
  }
}

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