Bulls Daily Grinder 1 Gravel Bike 28" silber

zweirad-stadler:bulls-daily-grinder-1-gravel-bike-herren-28-silber-kaufen · source URL · confidence 0.83

Eligibility

Can win a band.

Size decisions

retailer label	alpha	comparable cm	match	mapping	in stock	variant price	evidence
47 cm	—	47 cm	exact scale	stated by the retailer	yes	listing price	47 cm
51 cm	—	51 cm	exact scale	stated by the retailer	yes	listing price	51 cm
55 cm	—	55 cm	exact scale	stated by the retailer	yes	listing price	55 cm

retailer label

alpha

comparable cm

match

mapping

in stock

variant price

evidence

47 cm

—

47 cm

exact scale

stated by the retailer

yes

listing price

47 cm

51 cm

—

51 cm

exact scale

stated by the retailer

yes

listing price

51 cm

55 cm

—

55 cm

exact scale

stated by the retailer

yes

listing price

55 cm

A shopper asking for: 54 → 55 cm in stock · 56 → 55 cm in stock · 58 → nothing compatible · 60 → nothing compatible

Identity

Canonical configuration: Bulls | Daily Grinder 1 Gravel Bike 28" | Claris
Confidence: medium

brand exact (Bulls)
model normalized to "daily grinder 1 gravel 28"
groupset family exact (Claris)
model year unavailable on every listing
4 listings across 1 retailer
downgraded to medium: no shared GTIN, and no listing states a model year

retailer	price	sizes in stock
Zweirad Stadler	€1.092	47 cm, 51 cm, 55 cm	debug
Zweirad Stadler	€1.092	47 cm, 51 cm, 55 cm	debug
Zweirad Stadler	€1.092	51 cm, 55 cm	debug
Zweirad Stadler	€1.092	47 cm, 51 cm, 55 cm	debug

retailer

price

sizes in stock

Zweirad Stadler

€1.092

47 cm, 51 cm, 55 cm

debug

Zweirad Stadler

€1.092

47 cm, 51 cm, 55 cm

debug

Zweirad Stadler

€1.092

51 cm, 55 cm

debug

Zweirad Stadler

€1.092

47 cm, 51 cm, 55 cm

debug

Provenance — why we believe each fact

field source evidence

brand retailer:zweirad-stadler / parse Bulls

model retailer:zweirad-stadler / derived Bulls Daily Grinder 1 Gravel Bike 28" silber

category retailer:zweirad-stadler / parse Grinder

frameMaterial retailer:zweirad-stadler / parse Aluminium

groupsetFamily retailer:zweirad-stadler / dictionary Shimano Claris ST-R2000 || Shimano Claris ST-R2000 || Shimano Claris

electronicShifting retailer:zweirad-stadler / derived Shimano Claris ST-R2000 || Shimano Claris ST-R2000 || Shimano Claris

speeds retailer:zweirad-stadler / parse model code CS-HG50-8

brakes retailer:zweirad-stadler / parse Mechanische Scheibenbremsen

suspension retailer:zweirad-stadler / derived no suspension fork and no rear shock on a drop-bar listing

fork retailer:zweirad-stadler / dictionary Grinder Aluminium

dropperPost retailer:zweirad-stadler / derived seatpost row "Bulls Aluminium" names no dropper, in a 31-field spec table

beltDrive retailer:zweirad-stadler / parse KMC

hubDynamo retailer:zweirad-stadler / parse Shimano DH-3d37QR Nabendynamo | Center-Lock / Schnellspanner | Bulls

rack retailer:zweirad-stadler / parse Bulls Urban / Gravel Carrier

mudguards retailer:zweirad-stadler / parse Aluminium

lighting retailer:zweirad-stadler / parse Fuxon FS-50SL 50 Lux, on/off switch, sensor, standlight

wheelSize retailer:zweirad-stadler / parse 28

powerMeter retailer:zweirad-stadler / derived absent from a 31-field spec table

availability retailer:zweirad-stadler / derived 3 of 3 sizes orderable

field	source	evidence
brand	`retailer:zweirad-stadler` / parse	Bulls
model	`retailer:zweirad-stadler` / derived	Bulls Daily Grinder 1 Gravel Bike 28" silber
category	`retailer:zweirad-stadler` / parse	Grinder
frameMaterial	`retailer:zweirad-stadler` / parse	Aluminium
groupsetFamily	`retailer:zweirad-stadler` / dictionary	Shimano Claris ST-R2000 \|\| Shimano Claris ST-R2000 \|\| Shimano Claris
electronicShifting	`retailer:zweirad-stadler` / derived	Shimano Claris ST-R2000 \|\| Shimano Claris ST-R2000 \|\| Shimano Claris
speeds	`retailer:zweirad-stadler` / parse	model code CS-HG50-8
brakes	`retailer:zweirad-stadler` / parse	Mechanische Scheibenbremsen
suspension	`retailer:zweirad-stadler` / derived	no suspension fork and no rear shock on a drop-bar listing
fork	`retailer:zweirad-stadler` / dictionary	Grinder Aluminium
dropperPost	`retailer:zweirad-stadler` / derived	seatpost row "Bulls Aluminium" names no dropper, in a 31-field spec table
beltDrive	`retailer:zweirad-stadler` / parse	KMC
hubDynamo	`retailer:zweirad-stadler` / parse	Shimano DH-3d37QR Nabendynamo \| Center-Lock / Schnellspanner \| Bulls
rack	`retailer:zweirad-stadler` / parse	Bulls Urban / Gravel Carrier
mudguards	`retailer:zweirad-stadler` / parse	Aluminium
lighting	`retailer:zweirad-stadler` / parse	Fuxon FS-50SL 50 Lux, on/off switch, sensor, standlight
wheelSize	`retailer:zweirad-stadler` / parse	28
powerMeter	`retailer:zweirad-stadler` / derived	absent from a 31-field spec table
availability	`retailer:zweirad-stadler` / derived	3 of 3 sizes orderable

Warnings

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

Score breakdown

{
  "frameScore": 11,
  "drivetrainScore": 6,
  "wheelScore": 5,
  "extrasScore": -2,
  "suspensionScore": 0,
  "weightAdjustment": 0,
  "equipmentValue": 20,
  "notes": [
    "Shimano Claris = 6.",
    "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."
  ],
  "marketPrice": 1069,
  "valueScore": 0.979,
  "savingsVsMarket": -23
}

AI normalization

{
  "requested": [
    "wheelMaterial",
    "wheelTier",
    "weightKg"
  ],
  "applied": [],
  "rejected": [],
  "notes": "Felgen listed as \"Felgen: Bulls DDM-2\" but no material stated; cannot infer rim material or tier from the model name. No complete-bike weight given — \"zul. Gesamtgewicht: 135 kg\" is maximum permitted load, not bike weight.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Material: Aluminium",
      "confidence": 0.9
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Shimano Claris 16-Gang Kettenschaltung",
      "confidence": 0.9
    },
    "groupsetFamily": {
      "value": "Claris",
      "evidence": "Shimano Claris 16-Gang Kettenschaltung",
      "confidence": 0.9
    },
    "electronicShifting": {
      "value": "false",
      "evidence": "Shimano Claris 16-Gang Kettenschaltung",
      "confidence": 0.9
    },
    "speeds": {
      "value": "16",
      "evidence": "16-Gang",
      "confidence": 0.9
    },
    "mixedGroupset": {
      "value": "false",
      "evidence": "Schalthebel: Shimano Claris ST-R2000\nSchaltwerk: Shimano Claris ST-R2000\nKurbel: Shimano Claris FC-RS200 46/34 T",
      "confidence": 0.9
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 0.3
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 0.3
    },
    "brakes": {
      "value": "mechanical-disc",
      "evidence": "Mechanische Scheibenbremsen",
      "confidence": 0.9
    },
    "weightKg": {
      "value": null,
      "evidence": null,
      "confidence": 0.3
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 0.3
    },
    "notes": "Felgen listed as \"Felgen: Bulls DDM-2\" but no material stated; cannot infer rim material or tier from the model name. No complete-bike weight given — \"zul. Gesamtgewicht: 135 kg\" is maximum permitted load, not bike weight."
  }
}

Normalized record

{
  "id": "zweirad-stadler:bulls-daily-grinder-1-gravel-bike-herren-28-silber-kaufen",
  "retailer": "zweirad-stadler",
  "retailerProductId": "bulls-daily-grinder-1-gravel-bike-herren-28-silber-kaufen",
  "productUrl": "https://shop.zweirad-stadler.de/fahrrad-shop/rennraeder/gravel-bike/bulls-daily-grinder-1-gravel-bike-herren-28-silber-kaufen.html",
  "brand": "Bulls",
  "model": "Daily Grinder 1 Gravel Bike 28\" silber",
  "modelYear": null,
  "category": "gravel",
  "categoryBasis": "stated",
  "sourceCategory": "gravel",
  "price": 1092,
  "originalPrice": 1399,
  "currency": "EUR",
  "discountPercent": 22,
  "frameMaterial": "aluminium",
  "frameModel": null,
  "frameTier": null,
  "groupsetBrand": "Shimano",
  "groupsetFamily": "Claris",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": 8,
  "mixedGroupset": false,
  "groupsetComponents": {
    "shifters": "Claris",
    "rearDerailleur": "Claris",
    "frontDerailleur": "Claris",
    "crank": "Claris"
  },
  "groupsetTierSpread": 0,
  "crank": "Shimano Claris FC-RS200 46/34 T",
  "cassette": "Shimano CS-HG50-8 11-34T",
  "brakes": "mechanical-disc",
  "brakePistons": null,
  "brakeTier": "unknown",
  "suspension": "none",
  "fork": {
    "make": null,
    "line": null,
    "tier": "rigid",
    "travelMm": 0
  },
  "rearShock": null,
  "dropperPost": false,
  "beltDrive": false,
  "hubDynamo": true,
  "rack": true,
  "mudguards": true,
  "chaincase": null,
  "kickstand": null,
  "lighting": true,
  "wheelSize": "28",
  "wheelset": "Bulls DDM-2 | Shimano DH-3d37QR Nabendynamo | Center-Lock / Schnellspanner",
  "wheelMaterial": "unknown",
  "wheelTier": "unknown",
  "tyres": "Schwalbe CX Comp K-Guard 40-622 | 28 x 1,5\" | 700 x 38C",
  "weightKg": null,
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "47 cm",
      "size": "47",
      "sizeCm": 47,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "4-8 Werktage"
    },
    {
      "rawSize": "51 cm",
      "size": "51",
      "sizeCm": 51,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "7-14 Werktage"
    },
    {
      "rawSize": "55 cm",
      "size": "55",
      "sizeCm": 55,
      "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-grinder-1-lila-2023-p-99262a.jpg",
  "rawTitle": "Bulls Daily Grinder 1 Gravel Bike 28\" silber",
  "fetchedAt": "2026-09-19T06:31:27.060Z",
  "normalizationConfidence": 0.83,
  "warnings": [
    {
      "code": "wheel-material-unknown",
      "message": "Wheel material could not be established.",
      "severity": "info"
    }
  ]
}

Parsed specification table

{
  "Material": "Aluminium",
  "Rahmenform": "Gravel",
  "Farbe": "silber",
  "Gabel": "Grinder Aluminium",
  "Gänge": "16-Gang",
  "Schaltung": "Kettenschaltung",
  "Schalthebel": "Shimano Claris ST-R2000",
  "Schaltwerk": "Shimano Claris ST-R2000",
  "Umwerfer": "Shimano Claris",
  "Bremshebel": "Shimano Claris ST-R2000",
  "Bremsenart": "Mechanische Scheibenbremsen",
  "Kette": "KMC HG-40",
  "Kassette": "Shimano CS-HG50-8 11-34T",
  "Kurbel": "Shimano Claris FC-RS200 46/34 T",
  "Felgen": "Bulls DDM-2",
  "Laufradgröße": "28\"",
  "Reifen": "Schwalbe CX Comp K-Guard 40-622 | 28 x 1,5\" | 700 x 38C",
  "Nabe vorne": "Shimano DH-3d37QR Nabendynamo",
  "Sattel": "Bulls Gravel",
  "Sattelstütze": "Bulls Aluminium",
  "Lenker": "Gravel S",
  "Griffe": "Comfortgriptape 3 mm",
  "Vorbau": "MTB-S, CCS Slot Mount ready",
  "Steuersatz": "FSA Orbit C40ACB",
  "Scheinwerfer": "Fuxon FS-50SL 50 Lux, on/off switch, sensor, standlight",
  "Rücklicht": "Fuxon RL-Mini Clip",
  "Schutzbleche": "Aluminium",
  "Gepäckträger": "Bulls Urban / Gravel Carrier",
  "zul. Gesamtgewicht": "135 kg",
  "Nabe": "Center-Lock / Schnellspanner",
  "Bremsen": "Shimano BR-R305 (Bremsscheiben: Center-Lock / 160 mm)"
}

Raw adapter output

{
  "retailer": "zweirad-stadler",
  "retailerProductId": "bulls-daily-grinder-1-gravel-bike-herren-28-silber-kaufen",
  "productUrl": "https://shop.zweirad-stadler.de/fahrrad-shop/rennraeder/gravel-bike/bulls-daily-grinder-1-gravel-bike-herren-28-silber-kaufen.html",
  "extractionMethod": "server-html",
  "sourceCategory": "gravel",
  "rawTitle": "Bulls Daily Grinder 1 Gravel Bike 28\" silber",
  "rawBrand": "Bulls",
  "price": 1092,
  "originalPrice": 1399,
  "currency": "EUR",
  "imageUrl": "https://shop.zweirad-stadler.de/out/pictures/generated/product/1/1500_1500_100/bulls-grinder-1-lila-2023-p-99262a.jpg",
  "rawSpecifications": {
    "Material": "Aluminium",
    "Rahmenform": "Gravel",
    "Farbe": "silber",
    "Gabel": "Grinder Aluminium",
    "Gänge": "16-Gang",
    "Schaltung": "Kettenschaltung",
    "Schalthebel": "Shimano Claris ST-R2000",
    "Schaltwerk": "Shimano Claris ST-R2000",
    "Umwerfer": "Shimano Claris",
    "Bremshebel": "Shimano Claris ST-R2000",
    "Bremsenart": "Mechanische Scheibenbremsen",
    "Kette": "KMC HG-40",
    "Kassette": "Shimano CS-HG50-8 11-34T",
    "Kurbel": "Shimano Claris FC-RS200 46/34 T",
    "Felgen": "Bulls DDM-2",
    "Laufradgröße": "28\"",
    "Reifen": "Schwalbe CX Comp K-Guard 40-622 | 28 x 1,5\" | 700 x 38C",
    "Nabe vorne": "Shimano DH-3d37QR Nabendynamo",
    "Sattel": "Bulls Gravel",
    "Sattelstütze": "Bulls Aluminium",
    "Lenker": "Gravel S",
    "Griffe": "Comfortgriptape 3 mm",
    "Vorbau": "MTB-S, CCS Slot Mount ready",
    "Steuersatz": "FSA Orbit C40ACB",
    "Scheinwerfer": "Fuxon FS-50SL 50 Lux, on/off switch, sensor, standlight",
    "Rücklicht": "Fuxon RL-Mini Clip",
    "Schutzbleche": "Aluminium",
    "Gepäckträger": "Bulls Urban / Gravel Carrier",
    "zul. Gesamtgewicht": "135 kg",
    "Nabe": "Center-Lock / Schnellspanner",
    "Bremsen": "Shimano BR-R305 (Bremsscheiben: Center-Lock / 160 mm)"
  },
  "rawFeatures": [
    "0% Finanzierung ab 109,20 € möglich",
    "Dienstrad-Leasing möglich",
    "14 Tage kostenloses Rückgaberecht",
    "Fahrrad vollständig montiert und mit wenigen Handgriffen fahrbereit",
    "Shimano Claris 16-Gang Kettenschaltung",
    "Mechanische Scheibenbremsen",
    "Straßenausstattung mit Fuxon Scheinwerfer und Rücklicht",
    "Bulls Urban / Gravel Gepäckträger",
    "Zahlreiche Aufnahmen am Rad für Bikepacking-Abenteuer",
    "Aufgrund von Engpässen und Verzögerungen in den weltweiten Lieferketten kann es vorkommen, dass der Hersteller vereinzelt Komponenten der Originalspezifikationen durch mindestens gleichwertige oder sogar höherwertige Bauteile ersetzt hat. Das gelieferte Fahrrad kann in Einzelfällen von den Abbildungen abweichen."
  ],
  "rawSizes": [
    {
      "rawSize": "47 cm",
      "size": "47",
      "sizeCm": 47,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "4-8 Werktage"
    },
    {
      "rawSize": "51 cm",
      "size": "51",
      "sizeCm": 51,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "7-14 Werktage"
    },
    {
      "rawSize": "55 cm",
      "size": "55",
      "sizeCm": 55,
      "inStock": true,
      "stockCount": null,
      "price": null,
      "deliveryNote": "7-14 Werktage"
    }
  ],
  "availabilityText": "3 of 3 sizes orderable",
  "fetchedAt": "2026-09-19T06:31:27.060Z",
  "sourceMeta": {
    "savingBadge": "307 € gespartauf UVP",
    "deliveryWindows": [
      "47 cm 4-8 Werktage",
      "51 cm 7-14 Werktage",
      "55 cm 7-14 Werktage"
    ]
  }
}

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