Bulls Feli Disc Mountainbike Damen Hardtail lila

zweirad-stadler:bulls-feli-disc-mountainbike-damen-hardtail-lila · source URL · confidence 0.78

Eligibility

Can win a band.

Size decisions

retailer label	alpha	comparable cm	match	mapping	in stock	variant price	evidence
XXS = 32 cm \| 26"	XXS	—	unknown	unsupported	yes	listing price	—
XS = 37 cm \| 27.5"	XS	—	unknown	unsupported	yes	listing price	—
S = 40 cm \| 27.5"	S	40 cm	exact scale	stated by the retailer	yes	listing price	S = 40 cm \| 27.5"
M = 44 cm \| 29"	M	44 cm	exact scale	stated by the retailer	yes	listing price	M = 44 cm \| 29"
L = 49 cm \| 29"	L	49 cm	exact scale	stated by the retailer	yes	listing price	L = 49 cm \| 29"

retailer label

alpha

comparable cm

match

mapping

in stock

variant price

evidence

XXS = 32 cm | 26"

XXS

—

unknown

unsupported

yes

listing price

—

XS = 37 cm | 27.5"

—

unknown

unsupported

yes

listing price

—

S = 40 cm | 27.5"

40 cm

exact scale

stated by the retailer

yes

listing price

S = 40 cm | 27.5"

M = 44 cm | 29"

44 cm

exact scale

stated by the retailer

yes

listing price

M = 44 cm | 29"

L = 49 cm | 29"

49 cm

exact scale

stated by the retailer

yes

listing price

L = 49 cm | 29"

mapping	unsupported
reason	Bulls publishes no defensible conventional equivalence for its letter sizes. BULLS publishes a rider-height chart only ('Körpergröße' -> 'empfohlene Rahmengröße', XS 135-160 … XL 185-200 cm) with no centimetre equivalence, and its own chart stops at XL. So no letter is mapped. One retailer dual label ('XXL = 60 cm' on an Alpine Hawk) is left standing as listing-specific evidence because it sits on the conventional scale and there is no manufacturer evidence that it is a measurement — but it is a single unverified claim and is recorded as a residual risk.

mapping

unsupported

reason

Bulls publishes no defensible conventional equivalence for its letter sizes. BULLS publishes a rider-height chart only ('Körpergröße' -> 'empfohlene Rahmengröße', XS 135-160 … XL 185-200 cm) with no centimetre equivalence, and its own chart stops at XL. So no letter is mapped. One retailer dual label ('XXL = 60 cm' on an Alpine Hawk) is left standing as listing-specific evidence because it sits on the conventional scale and there is no manufacturer evidence that it is a measurement — but it is a single unverified claim and is recorded as a residual risk.

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

Identity

Canonical configuration: Bulls | Feli Disc Mountainbike Hardtail | Tourney
Confidence: medium

brand exact (Bulls)
model normalized to "feli mountainbike hardtail"
groupset family exact (Tourney)
model year unavailable on every listing
2 listings across 1 retailer
downgraded to medium: no shared GTIN, and no listing states a model year

retailer	price	sizes in stock
Zweirad Stadler	€498	XXS = 32 cm \| 26", XS = 37 cm \| 27.5", S = 40 cm \| 27.5", M = 44 cm \| 29", L = 49 cm \| 29"	debug
Zweirad Stadler	€498	XXS = 32 cm \| 26", XS = 37 cm \| 27.5", S = 40 cm \| 27.5", M = 44 cm \| 29", L = 49 cm \| 29"	debug

retailer

price

sizes in stock

Zweirad Stadler

€498

XXS = 32 cm | 26", XS = 37 cm | 27.5", S = 40 cm | 27.5", M = 44 cm | 29", L = 49 cm | 29"

debug

Zweirad Stadler

€498

XXS = 32 cm | 26", XS = 37 cm | 27.5", S = 40 cm | 27.5", M = 44 cm | 29", L = 49 cm | 29"

debug

Provenance — why we believe each fact

field source evidence

brand retailer:zweirad-stadler / parse Bulls

model retailer:zweirad-stadler / derived Bulls Feli Disc Mountainbike Damen Hardtail lila

category retailer:zweirad-stadler / parse Mountainbike

frameMaterial retailer:zweirad-stadler / parse Aluminium

groupsetFamily retailer:zweirad-stadler / dictionary Shimano Tourney

electronicShifting retailer:zweirad-stadler / derived Shimano Tourney

brakes retailer:zweirad-stadler / parse Mechanische Scheibenbremsen

suspension retailer:zweirad-stadler / derived Hardtail

fork retailer:zweirad-stadler / parse SR Stuntour

dropperPost retailer:zweirad-stadler / derived seatpost row "Aluminium" names no dropper, in a 17-field spec table

beltDrive retailer:zweirad-stadler / parse Kettenschaltung

wheelSize retailer:zweirad-stadler / parse 27.5

powerMeter retailer:zweirad-stadler / derived absent from a 17-field spec table

availability retailer:zweirad-stadler / derived 5 of 5 sizes orderable

field	source	evidence
brand	`retailer:zweirad-stadler` / parse	Bulls
model	`retailer:zweirad-stadler` / derived	Bulls Feli Disc Mountainbike Damen Hardtail lila
category	`retailer:zweirad-stadler` / parse	Mountainbike
frameMaterial	`retailer:zweirad-stadler` / parse	Aluminium
groupsetFamily	`retailer:zweirad-stadler` / dictionary	Shimano Tourney
electronicShifting	`retailer:zweirad-stadler` / derived	Shimano Tourney
brakes	`retailer:zweirad-stadler` / parse	Mechanische Scheibenbremsen
suspension	`retailer:zweirad-stadler` / derived	Hardtail
fork	`retailer:zweirad-stadler` / parse	SR Stuntour
dropperPost	`retailer:zweirad-stadler` / derived	seatpost row "Aluminium" names no dropper, in a 17-field spec table
beltDrive	`retailer:zweirad-stadler` / parse	Kettenschaltung
wheelSize	`retailer:zweirad-stadler` / parse	27.5
powerMeter	`retailer:zweirad-stadler` / derived	absent from a 17-field spec table
availability	`retailer:zweirad-stadler` / derived	5 of 5 sizes orderable

Warnings

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

Score breakdown

{
  "frameScore": 11,
  "drivetrainScore": 3,
  "wheelScore": 5,
  "extrasScore": -2,
  "suspensionScore": 0,
  "weightAdjustment": 0,
  "equipmentValue": 17,
  "notes": [
    "Shimano Tourney = 3.",
    "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 \"mechanical-disc\" -2.",
    "Weight not published: no weight adjustment either way.",
    "Fork series not stated: scored at the bottom of the fork ladder rather than assumed."
  ],
  "marketPrice": 556,
  "valueScore": 1.116,
  "savingsVsMarket": 58
}

AI normalization

{
  "requested": [
    "wheelMaterial",
    "wheelTier",
    "weightKg"
  ],
  "applied": [],
  "rejected": [],
  "notes": "Wheel material and wheelset model are not stated (only 'Laufradgröße: 27.5\"' and 'Reifen: STYX Ace of Pace' are given), so wheelMaterial and wheelTier are null. No bike weight is provided, so weightKg is null. electronicShifting is not mentioned (no Di2/AXS/etc.), so set to null rather than false. Mixed groupset is true because crank ('Kurbel: STYX') and derailleur ('Schaltwerk: Shimano Tourney') are from different manufacturers.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Material: Aluminium",
      "confidence": 0.9
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Schaltwerk: Shimano Tourney",
      "confidence": 0.9
    },
    "groupsetFamily": {
      "value": "Tourney",
      "evidence": "Schaltwerk: Shimano Tourney",
      "confidence": 0.9
    },
    "electronicShifting": {
      "value": null,
      "evidence": null,
      "confidence": 0.3
    },
    "speeds": {
      "value": "21",
      "evidence": "Gänge: 21-Gang",
      "confidence": 0.9
    },
    "mixedGroupset": {
      "value": "true",
      "evidence": "Schaltwerk: Shimano Tourney; Kurbel: STYX",
      "confidence": 0.85
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 0.3
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 0.3
    },
    "brakes": {
      "value": "mechanical-disc",
      "evidence": "Bremsenart: Mechanische Scheibenbremsen",
      "confidence": 0.9
    },
    "weightKg": {
      "value": null,
      "evidence": null,
      "confidence": 0.3
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 0.3
    },
    "notes": "Wheel material and wheelset model are not stated (only 'Laufradgröße: 27.5\"' and 'Reifen: STYX Ace of Pace' are given), so wheelMaterial and wheelTier are null. No bike weight is provided, so weightKg is null. electronicShifting is not mentioned (no Di2/AXS/etc.), so set to null rather than false. Mixed groupset is true because crank ('Kurbel: STYX') and derailleur ('Schaltwerk: Shimano Tourney') are from different manufacturers."
  }
}

Normalized record

{
  "id": "zweirad-stadler:bulls-feli-disc-mountainbike-damen-hardtail-lila",
  "retailer": "zweirad-stadler",
  "retailerProductId": "bulls-feli-disc-mountainbike-damen-hardtail-lila",
  "productUrl": "https://shop.zweirad-stadler.de/fahrrad-shop/mountainbikes/hardtail/hardtail-27-5/bulls-feli-disc-mountainbike-damen-hardtail-lila.html",
  "brand": "Bulls",
  "model": "Feli Disc Mountainbike Hardtail lila",
  "modelYear": null,
  "category": "mtb",
  "categoryBasis": "stated",
  "sourceCategory": "mtb",
  "price": 498,
  "originalPrice": 779,
  "currency": "EUR",
  "discountPercent": 36,
  "frameMaterial": "aluminium",
  "frameModel": null,
  "frameTier": null,
  "groupsetBrand": "Shimano",
  "groupsetFamily": "Tourney",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": null,
  "mixedGroupset": false,
  "groupsetComponents": {
    "rearDerailleur": "Tourney"
  },
  "groupsetTierSpread": 0,
  "crank": "STYX",
  "cassette": null,
  "brakes": "mechanical-disc",
  "brakePistons": null,
  "brakeTier": "unknown",
  "suspension": "front",
  "fork": {
    "make": null,
    "line": null,
    "tier": "unknown",
    "travelMm": 100
  },
  "rearShock": null,
  "dropperPost": false,
  "beltDrive": false,
  "hubDynamo": null,
  "rack": null,
  "mudguards": null,
  "chaincase": null,
  "kickstand": null,
  "lighting": null,
  "wheelSize": "27.5",
  "wheelset": null,
  "wheelMaterial": "unknown",
  "wheelTier": "unknown",
  "tyres": "STYX Ace of Pace",
  "weightKg": null,
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "XXS = 32 cm | 26\"",
      "size": "XXS",
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "7-14 Werktage"
    },
    {
      "rawSize": "XS = 37 cm | 27.5\"",
      "size": "XS",
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "7-14 Werktage"
    },
    {
      "rawSize": "S = 40 cm | 27.5\"",
      "size": "S",
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "4-8 Werktage"
    },
    {
      "rawSize": "M = 44 cm | 29\"",
      "size": "M",
      "sizeCm": 44,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "4-8 Werktage"
    },
    {
      "rawSize": "L = 49 cm | 29\"",
      "size": "L",
      "sizeCm": 49,
      "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/bulls-feli-disc-mountainbike-27-5-lila-134552-a.jpg",
  "rawTitle": "Bulls Feli Disc Mountainbike Damen Hardtail lila",
  "fetchedAt": "2026-09-19T06:32:31.376Z",
  "normalizationConfidence": 0.78,
  "warnings": [
    {
      "code": "wheel-material-unknown",
      "message": "Wheel material could not be established.",
      "severity": "info"
    }
  ]
}

Parsed specification table

{
  "Material": "Aluminium",
  "Farbe": "lila",
  "Gabel": "SR Stuntour",
  "Federweg Gabel": "100 mm",
  "Schaltung": "Kettenschaltung",
  "Gänge": "21-Gang",
  "Schaltwerk": "Shimano Tourney",
  "Bremsenart": "Mechanische Scheibenbremsen",
  "Bremsen": "Tektro",
  "Kurbel": "STYX",
  "Lenker": "Aluminium",
  "Vorbau": "Aluminium",
  "Sattelstütze": "Aluminium",
  "Laufradgröße": "27.5\"",
  "Reifen": "STYX Ace of Pace",
  "Rahmenform": "Hardtail",
  "Herstellerfarbe": "light purple matt"
}

Raw adapter output

{
  "retailer": "zweirad-stadler",
  "retailerProductId": "bulls-feli-disc-mountainbike-damen-hardtail-lila",
  "productUrl": "https://shop.zweirad-stadler.de/fahrrad-shop/mountainbikes/hardtail/hardtail-27-5/bulls-feli-disc-mountainbike-damen-hardtail-lila.html",
  "extractionMethod": "server-html",
  "sourceCategory": "mtb",
  "rawTitle": "Bulls Feli Disc Mountainbike Damen Hardtail lila",
  "rawBrand": "Bulls",
  "price": 498,
  "originalPrice": 779,
  "currency": "EUR",
  "imageUrl": "https://shop.zweirad-stadler.de/out/pictures/generated/product/1/1500_1500_100/bulls-feli-disc-mountainbike-27-5-lila-134552-a.jpg",
  "rawSpecifications": {
    "Material": "Aluminium",
    "Farbe": "lila",
    "Gabel": "SR Stuntour",
    "Federweg Gabel": "100 mm",
    "Schaltung": "Kettenschaltung",
    "Gänge": "21-Gang",
    "Schaltwerk": "Shimano Tourney",
    "Bremsenart": "Mechanische Scheibenbremsen",
    "Bremsen": "Tektro",
    "Kurbel": "STYX",
    "Lenker": "Aluminium",
    "Vorbau": "Aluminium",
    "Sattelstütze": "Aluminium",
    "Laufradgröße": "27.5\"",
    "Reifen": "STYX Ace of Pace",
    "Rahmenform": "Hardtail",
    "Herstellerfarbe": "light purple matt"
  },
  "rawFeatures": [
    "XXS = 32 cm | 26\" 7-14 Werktage",
    "XS = 37 cm | 27.5\" 7-14 Werktage",
    "S = 40 cm | 27.5\" 4-8 Werktage",
    "M = 44 cm | 29\" 4-8 Werktage",
    "L = 49 cm | 29\" 7-14 Werktage",
    "0% Finanzierung ab 49,80 € möglich",
    "Dienstrad-Leasing möglich",
    "14 Tage kostenloses Rückgaberecht",
    "Fahrrad vollständig montiert und mit wenigen Handgriffen fahrbereit",
    "Ein Mountainbike von Bulls für trendige Damen. Das Bulls Feli Disc Hardtail ist speziell für Radfahrerinnen. Hoher Fahrkomfort und jede Menge Fahrspaß auf allen Wegen. Auf leichten MTB-Trails genauso wie im Straßenverkehr.",
    "Komfortable SR Suntour Federgabel (Größe XXS/26\"/80 mm; Größen XS-L/27.5\" und 29\"/100 mm Federweg)",
    "Zuverlässige 21-Gang-Kettenschaltung von Shimano"
  ],
  "rawSizes": [
    {
      "rawSize": "XXS = 32 cm | 26\"",
      "size": "XXS",
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "7-14 Werktage"
    },
    {
      "rawSize": "XS = 37 cm | 27.5\"",
      "size": "XS",
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "7-14 Werktage"
    },
    {
      "rawSize": "S = 40 cm | 27.5\"",
      "size": "S",
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "4-8 Werktage"
    },
    {
      "rawSize": "M = 44 cm | 29\"",
      "size": "M",
      "sizeCm": 44,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "4-8 Werktage"
    },
    {
      "rawSize": "L = 49 cm | 29\"",
      "size": "L",
      "sizeCm": 49,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "7-14 Werktage"
    }
  ],
  "availabilityText": "5 of 5 sizes orderable",
  "fetchedAt": "2026-09-19T06:32:31.376Z",
  "sourceMeta": {
    "savingBadge": "281 € gespartauf UVP",
    "deliveryWindows": [
      "XXS = 32 cm | 26\" 7-14 Werktage",
      "XS = 37 cm | 27.5\" 7-14 Werktage",
      "S = 40 cm | 27.5\" 4-8 Werktage",
      "M = 44 cm | 29\" 4-8 Werktage",
      "L = 49 cm | 29\" 7-14 Werktage"
    ]
  }
}

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