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Stevens Jazz Forma Forma desert sand

bikes-de:stevens-jazz-forma-2026 · source URL · confidence 0.83 · GTIN 4045985051469, 4045985051476, 4045985051483

Eligibility

Can win a band.

Size decisions

A shopper asking for: 54 → nothing compatible · 56 → 56 cm | (28") fits but sold out · 58 → nothing compatible · 60 → nothing compatible

Identity

Only listing of this configuration — nothing to merge.

Provenance — why we believe each fact

Warnings

• info wheel-material-unknown — Wheel material could not be established.
• info mixed-groupset — Not a uniform groupset: {"shifters":"Altus","rearDerailleur":"Acera","frontDerailleur":"Altus","crank":"Tourney"}. Ranked on the shifting level, with a penalty.

Score breakdown

{
  "frameScore": 11,
  "drivetrainScore": 3,
  "wheelScore": 5,
  "extrasScore": 3,
  "suspensionScore": 0,
  "weightAdjustment": -1.2,
  "equipmentValue": 20.8,
  "notes": [
    "Shimano Altus = 9.",
    "Mixed groupset -1: crank is Tourney, 6 tier below Altus.",
    "8-speed -5.",
    "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.",
    "17 kg vs 16.2 kg city reference = -1.2."
  ],
  "marketPrice": 646,
  "valueScore": 0.647,
  "savingsVsMarket": -353
}

AI normalization

{
  "requested": [
    "wheelMaterial",
    "wheelTier",
    "weightKg"
  ],
  "applied": [
    "weightKg"
  ],
  "rejected": [],
  "notes": "Drivetrain uses multiple Shimano families (Altus front derailleur, Acera rear derailleur). Wheel rim model given (Oxygen RM-26 Disc) but material or tier not stated explicitly in source, so wheelMaterial and wheelTier are null.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Rahmenmaterial lt. Hersteller: Aluminium",
      "confidence": 0.95
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Umwerfer: SHIMANO Altus FD-M310-M3",
      "confidence": 0.9
    },
    "groupsetFamily": {
      "value": "Acera",
      "evidence": "Schaltwerk: SHIMANO Acera RD-M3020-8, 24fach",
      "confidence": 0.75
    },
    "electronicShifting": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "speeds": {
      "value": "24",
      "evidence": "Anzahl Gänge: 24",
      "confidence": 0.95
    },
    "mixedGroupset": {
      "value": "true",
      "evidence": "Umwerfer: SHIMANO Altus FD-M310-M3\nSchaltwerk: SHIMANO Acera RD-M3020-8, 24fach",
      "confidence": 0.9
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "brakes": {
      "value": "hydraulic-disc",
      "evidence": "Bremsen: Hydraulische Scheibenbremse",
      "confidence": 0.95
    },
    "weightKg": {
      "value": "17",
      "evidence": "Gewicht: 17",
      "confidence": 0.85
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "notes": "Drivetrain uses multiple Shimano families (Altus front derailleur, Acera rear derailleur). Wheel rim model given (Oxygen RM-26 Disc) but material or tier not stated explicitly in source, so wheelMaterial and wheelTier are null."
  }
}

Normalized record

{
  "id": "bikes-de:stevens-jazz-forma-2026",
  "retailer": "bikes-de",
  "retailerProductId": "stevens-jazz-forma-2026",
  "productUrl": "https://www.bikes.de/shop/fahrraeder/marke.stevens/stevens-jazz-forma-2026/",
  "brand": "Stevens",
  "model": "Jazz Forma Forma desert sand",
  "modelYear": 2026,
  "category": "city",
  "categoryBasis": "route",
  "sourceCategory": "city",
  "price": 999,
  "originalPrice": null,
  "currency": "EUR",
  "discountPercent": null,
  "frameMaterial": "aluminium",
  "frameModel": null,
  "frameTier": null,
  "groupsetBrand": "Shimano",
  "groupsetFamily": "Altus",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": 8,
  "mixedGroupset": true,
  "groupsetComponents": {
    "shifters": "Altus",
    "rearDerailleur": "Acera",
    "frontDerailleur": "Altus",
    "crank": "Tourney"
  },
  "groupsetTierSpread": 6,
  "crank": "SHIMANO FC-TY501, 48-38-28 Z.",
  "cassette": "SHIMANO CS-HG31, 8fach",
  "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": true,
  "rack": true,
  "mudguards": true,
  "chaincase": true,
  "kickstand": true,
  "lighting": true,
  "wheelSize": "28",
  "wheelset": "VR: Oxygen RM-26 Disc, 26 x 622, HR: Oxygen RM-26 Disc, 26 x 622 | SHIMANO DH-3D37 | Formula CL-52",
  "wheelMaterial": "unknown",
  "wheelTier": "unknown",
  "tyres": "VR: Schwalbe Citizen Active-Line, 47-622, HR: Schwalbe Citizen Active-Line, 47-622",
  "weightKg": 17,
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "46 cm | (28\")",
      "size": "46",
      "sizeCm": 46,
      "inStock": true,
      "stockCount": null,
      "price": 999
    },
    {
      "rawSize": "52 cm | (28\")",
      "size": "52",
      "sizeCm": 52,
      "inStock": true,
      "stockCount": null,
      "price": 999
    },
    {
      "rawSize": "56 cm | (28\")",
      "size": "56",
      "sizeCm": 56,
      "inStock": false,
      "stockCount": null,
      "price": null
    }
  ],
  "seller": null,
  "availability": "in-stock",
  "gtins": [
    "4045985051469",
    "4045985051476",
    "4045985051483"
  ],
  "imageUrl": "https://bikes-opt.b-cdn.net/stevens/2026/1295839_01.jpg",
  "rawTitle": "Stevens Jazz Forma Forma desert sand",
  "fetchedAt": "2026-09-19T06:28:50.173Z",
  "normalizationConfidence": 0.83,
  "warnings": [
    {
      "code": "wheel-material-unknown",
      "message": "Wheel material could not be established.",
      "severity": "info"
    },
    {
      "code": "mixed-groupset",
      "message": "Not a uniform groupset: {\"shifters\":\"Altus\",\"rearDerailleur\":\"Acera\",\"frontDerailleur\":\"Altus\",\"crank\":\"Tourney\"}. Ranked on the shifting level, with a penalty.",
      "severity": "info"
    }
  ]
}

Parsed specification table

{
  "Rahmenmaterial lt. Hersteller": "Aluminium",
  "Gabel": "SR Suntour NEX HLO",
  "Gabel Federweg (mm)": "63",
  "Schaltungstyp": "Kettenschaltung",
  "Anzahl Gänge": "24",
  "Umwerfer": "SHIMANO Altus FD-M310-M3",
  "Schaltwerk": "SHIMANO Acera RD-M3020-8, 24fach",
  "Schalthebel": "SHIMANO SL-M315 / SHIMANO SL-M315-8R",
  "Zahnkranz": "SHIMANO CS-HG31, 8fach",
  "Bremsen": "Hydraulische Scheibenbremse",
  "Bremse": "VR: Tektro HD-T275, HR: Tektro HD-T275",
  "Bremshebel": "Tektro HD-T275",
  "Bremsscheiben": "VR: SHIMANO SM-RT30, 180 mm, HR: SHIMANO SM-RT30, 160 mm",
  "Laufradgröße": "28 Zoll",
  "Reifen": "VR: Schwalbe Citizen Active-Line, 47-622, HR: Schwalbe Citizen Active-Line, 47-622",
  "Vorderrad-Nabe": "SHIMANO DH-3D37",
  "Hinterrad-Nabe": "Formula CL-52",
  "Felgen": "VR: Oxygen RM-26 Disc, 26 x 622, HR: Oxygen RM-26 Disc, 26 x 622",
  "Kurbelsatz": "SHIMANO FC-TY501, 48-38-28 Z.",
  "Pedale": "ATB Alu Reflex",
  "Innenlager": "BSA 68 mm",
  "Lenker": "Oxygen Driver 630 mm",
  "Vorbau": "Oxygen Scorpo",
  "Steuersatz": "STEVENS MTB 1 1/8\"",
  "Sattel": "Selle Royal Wave Lady",
  "Sattelstütze": "Oxygen Driver",
  "Straßenzulassung": "Ja",
  "Frontleuchte": "AXA Dynamo 45",
  "Rückleuchte": "AXA Juno",
  "Gepäckträger": "Racktime Gepäckträger",
  "Schutzbleche": "SKS Schutzbleche",
  "Kettenschutz": "1",
  "Ständer": "STEVENS Ständer",
  "Marke": "Stevens",
  "EAN": "4045985051469",
  "Hersteller Artikelnummer": "324012341",
  "Modellserie Bezeichnung": "Jazz Forma",
  "Rahmenform lt. Hersteller": "Forma",
  "Markenfarbe": "desert sand",
  "Rahmenhöhe": "46 cm | (28\")",
  "Jahr": "2026",
  "Zielgruppe": "Damen",
  "Gewicht": "17",
  "Zulässiges Gesamtgewicht": "130"
}

Raw adapter output

{
  "retailer": "bikes-de",
  "retailerProductId": "stevens-jazz-forma-2026",
  "productUrl": "https://www.bikes.de/shop/fahrraeder/marke.stevens/stevens-jazz-forma-2026/",
  "extractionMethod": "server-html",
  "sourceCategory": "city",
  "rawTitle": "Stevens Jazz Forma Forma desert sand",
  "rawBrand": "Stevens",
  "price": 999,
  "originalPrice": null,
  "currency": "EUR",
  "imageUrl": "https://bikes-opt.b-cdn.net/stevens/2026/1295839_01.jpg",
  "rawSpecifications": {
    "Rahmenmaterial lt. Hersteller": "Aluminium",
    "Gabel": "SR Suntour NEX HLO",
    "Gabel Federweg (mm)": "63",
    "Schaltungstyp": "Kettenschaltung",
    "Anzahl Gänge": "24",
    "Umwerfer": "SHIMANO Altus FD-M310-M3",
    "Schaltwerk": "SHIMANO Acera RD-M3020-8, 24fach",
    "Schalthebel": "SHIMANO SL-M315 / SHIMANO SL-M315-8R",
    "Zahnkranz": "SHIMANO CS-HG31, 8fach",
    "Bremsen": "Hydraulische Scheibenbremse",
    "Bremse": "VR: Tektro HD-T275, HR: Tektro HD-T275",
    "Bremshebel": "Tektro HD-T275",
    "Bremsscheiben": "VR: SHIMANO SM-RT30, 180 mm, HR: SHIMANO SM-RT30, 160 mm",
    "Laufradgröße": "28 Zoll",
    "Reifen": "VR: Schwalbe Citizen Active-Line, 47-622, HR: Schwalbe Citizen Active-Line, 47-622",
    "Vorderrad-Nabe": "SHIMANO DH-3D37",
    "Hinterrad-Nabe": "Formula CL-52",
    "Felgen": "VR: Oxygen RM-26 Disc, 26 x 622, HR: Oxygen RM-26 Disc, 26 x 622",
    "Kurbelsatz": "SHIMANO FC-TY501, 48-38-28 Z.",
    "Pedale": "ATB Alu Reflex",
    "Innenlager": "BSA 68 mm",
    "Lenker": "Oxygen Driver 630 mm",
    "Vorbau": "Oxygen Scorpo",
    "Steuersatz": "STEVENS MTB 1 1/8\"",
    "Sattel": "Selle Royal Wave Lady",
    "Sattelstütze": "Oxygen Driver",
    "Straßenzulassung": "Ja",
    "Frontleuchte": "AXA Dynamo 45",
    "Rückleuchte": "AXA Juno",
    "Gepäckträger": "Racktime Gepäckträger",
    "Schutzbleche": "SKS Schutzbleche",
    "Kettenschutz": "1",
    "Ständer": "STEVENS Ständer",
    "Marke": "Stevens",
    "EAN": "4045985051469",
    "Hersteller Artikelnummer": "324012341",
    "Modellserie Bezeichnung": "Jazz Forma",
    "Rahmenform lt. Hersteller": "Forma",
    "Markenfarbe": "desert sand",
    "Rahmenhöhe": "46 cm | (28\")",
    "Jahr": "2026",
    "Zielgruppe": "Damen",
    "Gewicht": "17",
    "Zulässiges Gesamtgewicht": "130"
  },
  "rawFeatures": [],
  "rawSizes": [
    {
      "rawSize": "46 cm | (28\")",
      "size": "46",
      "sizeCm": 46,
      "inStock": true,
      "stockCount": null,
      "price": 999
    },
    {
      "rawSize": "52 cm | (28\")",
      "size": "52",
      "sizeCm": 52,
      "inStock": true,
      "stockCount": null,
      "price": 999
    },
    {
      "rawSize": "56 cm | (28\")",
      "size": "56",
      "sizeCm": 56,
      "inStock": false,
      "stockCount": null,
      "price": null
    }
  ],
  "availabilityText": "2 of 3 frame sizes offered for shipping by a bikes.de dealer",
  "fetchedAt": "2026-09-19T06:28:50.173Z",
  "sourceMeta": {
    "dealers": [
      "Zweirad-Dreste",
      "Fahrrad Böttgen GmbH"
    ],
    "listingRows": 2,
    "articleNumbers": [
      "1295840",
      "1295833"
    ],
    "skus": [
      "4045985051476",
      "4045985051483"
    ],
    "leafCategory": "Trekkingbikes"
  }
}

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