Isaac BOSON Carbon Rennrad - Shimano 105 Di2 | DT Swiss E1800 - 2026 - sonic silver

bike24:1080531 · source URL · confidence 1 · GTIN 8718223022540, 8718223023882, 8718223023899, 8718223023905 +1

Eligibility

Can win a band.

Size decisions

retailer label	alpha	comparable cm	match	mapping	in stock	variant price	evidence
Frame Size (Stem Length) S (90mm)	—	—	unknown	unsupported	yes	listing price	—
Frame Size (Stem Length) M (90mm)	—	—	unknown	unsupported	yes	listing price	—
Frame Size (Stem Length) L (100mm)	—	—	unknown	unsupported	yes	listing price	—
Frame Size (Stem Length) XL (100mm)	—	—	unknown	unsupported	yes	listing price	—

retailer label

alpha

comparable cm

match

mapping

in stock

variant price

evidence

Frame Size (Stem Length) S (90mm)

—

unknown

unsupported

yes

listing price

—

Frame Size (Stem Length) M (90mm)

—

unknown

unsupported

yes

listing price

—

Frame Size (Stem Length) L (100mm)

—

unknown

unsupported

yes

listing price

—

Frame Size (Stem Length) XL (100mm)

—

unknown

unsupported

yes

listing price

—

mapping	unsupported
reason	"Frame Size (Stem Length) S (90mm)" could not be read as a frame size.

mapping

unsupported

reason

"Frame Size (Stem Length) S (90mm)" could not be read as a frame size.

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

Identity

Canonical configuration: Isaac | BOSON | 105 Di2 | 2026
Confidence: high

brand exact (Isaac)
model normalized to "boson"
groupset family exact (105 Di2)
model year exact (2026)
4 listings across 1 retailer

retailer	price	sizes in stock
BIKE24	€2.399	(Vorbau-Länge) XL (100mm), (Vorbau-Länge) XL (120mm)	debug
BIKE24	€2.399	Frame Size (Stem Length) S (90mm), Frame Size (Stem Length) M (90mm), Frame Size (Stem Length) L (100mm), Frame Size (Stem Length) XL (100mm)	debug
BIKE24	€2.699	L, XL	debug
BIKE24	€2.699	L, XL	debug

retailer

price

sizes in stock

BIKE24

€2.399

(Vorbau-Länge) XL (100mm), (Vorbau-Länge) XL (120mm)

debug

BIKE24

€2.399

Frame Size (Stem Length) S (90mm), Frame Size (Stem Length) M (90mm), Frame Size (Stem Length) L (100mm), Frame Size (Stem Length) XL (100mm)

debug

BIKE24

€2.699

L, XL

debug

BIKE24

€2.699

L, XL

debug

Provenance — why we believe each fact

field source evidence

brand retailer:bike24 / parse Isaac

model retailer:bike24 / derived Isaac BOSON Carbon Rennrad - Shimano 105 Di2 | DT Swiss E1800 - 2026 - sonic silver

modelYear retailer:bike24 / parse Modelljahr: 2026

category retailer:bike24 / parse Rennrad

frameMaterial retailer:bike24 / parse Carbon

frameTier retailer:bike24 / dictionary Dual 30

groupsetFamily retailer:bike24 / dictionary Shimano 105 ST-R7170 || Shimano 105 RD-R7150 Di2 || Shimano 105 FD-R7150 Di2

electronicShifting retailer:bike24 / parse Di2

speeds retailer:bike24 / parse 2 x 12

brakes retailer:bike24 / parse BR-R7170

suspension retailer:bike24 / derived no suspension fork and no rear shock on a drop-bar listing

fork retailer:bike24 / dictionary Isaac Advanced Carbon Tech Dual 30 | Tapered (1-1/8" - 1.5") | 12x100mm

dropperPost retailer:bike24 / derived seatpost row says "starr"

beltDrive retailer:bike24 / parse Shimano 105 FD-R7150 Di2

wheelSize retailer:bike24 / parse 28

wheelMaterial retailer:bike24 / dictionary DT Swiss E1800

wheelTier retailer:bike24 / dictionary DT Swiss E1800

powerMeter retailer:bike24 / derived absent from a 43-field spec table

availability retailer:bike24 / derived Auf Lager – Lieferzeit nach Deutschland 2-5 Arbeitstage

field	source	evidence
brand	`retailer:bike24` / parse	Isaac
model	`retailer:bike24` / derived	Isaac BOSON Carbon Rennrad - Shimano 105 Di2 \| DT Swiss E1800 - 2026 - sonic silver
modelYear	`retailer:bike24` / parse	Modelljahr: 2026
category	`retailer:bike24` / parse	Rennrad
frameMaterial	`retailer:bike24` / parse	Carbon
frameTier	`retailer:bike24` / dictionary	Dual 30
groupsetFamily	`retailer:bike24` / dictionary	Shimano 105 ST-R7170 \|\| Shimano 105 RD-R7150 Di2 \|\| Shimano 105 FD-R7150 Di2
electronicShifting	`retailer:bike24` / parse	Di2
speeds	`retailer:bike24` / parse	2 x 12
brakes	`retailer:bike24` / parse	BR-R7170
suspension	`retailer:bike24` / derived	no suspension fork and no rear shock on a drop-bar listing
fork	`retailer:bike24` / dictionary	Isaac Advanced Carbon Tech Dual 30 \| Tapered (1-1/8" - 1.5") \| 12x100mm
dropperPost	`retailer:bike24` / derived	seatpost row says "starr"
beltDrive	`retailer:bike24` / parse	Shimano 105 FD-R7150 Di2
wheelSize	`retailer:bike24` / parse	28
wheelMaterial	`retailer:bike24` / dictionary	DT Swiss E1800
wheelTier	`retailer:bike24` / dictionary	DT Swiss E1800
powerMeter	`retailer:bike24` / derived	absent from a 43-field spec table
availability	`retailer:bike24` / derived	Auf Lager – Lieferzeit nach Deutschland 2-5 Arbeitstage

Warnings

none

Score breakdown

{
  "frameScore": 28,
  "drivetrainScore": 27,
  "wheelScore": 5,
  "extrasScore": 3,
  "suspensionScore": 0,
  "weightAdjustment": 0,
  "equipmentValue": 63,
  "notes": [
    "Frame tier \"mid\" +2.",
    "Shimano 105 Di2 = 27.",
    "Wheels \"basic-aluminium\" = 5.",
    "Brakes \"hydraulic-disc\" +3.",
    "Weight not published: no weight adjustment either way."
  ],
  "marketPrice": 3203,
  "valueScore": 1.335,
  "savingsVsMarket": 804
}

AI normalization

Not used: deterministic parsing resolved every field it needed.

Normalized record

{
  "id": "bike24:1080531",
  "retailer": "bike24",
  "retailerProductId": "1080531",
  "productUrl": "https://www.bike24.de/p11080531.html",
  "brand": "Isaac",
  "model": "BOSON Carbon",
  "modelYear": 2026,
  "category": "road",
  "categoryBasis": "stated",
  "sourceCategory": "road",
  "price": 2399,
  "originalPrice": 4049,
  "currency": "EUR",
  "discountPercent": 41,
  "frameMaterial": "carbon",
  "frameModel": "Isaac BOSON Advanced Carbon Tech Dual 30 | 1150g | 12x142mm",
  "frameTier": "mid",
  "groupsetBrand": "Shimano",
  "groupsetFamily": "105 Di2",
  "groupsetGeneration": null,
  "electronicShifting": true,
  "speeds": 12,
  "mixedGroupset": false,
  "groupsetComponents": {
    "shifters": "105 Di2",
    "rearDerailleur": "105 Di2",
    "frontDerailleur": "105 Di2",
    "crank": "105",
    "cassette": "105"
  },
  "groupsetTierSpread": 0,
  "crank": "Shimano 105 FC-R7100",
  "cassette": "Shimano CS-R7101",
  "brakes": "hydraulic-disc",
  "brakePistons": null,
  "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": null,
  "lighting": null,
  "wheelSize": "28",
  "wheelset": "DT Swiss E1800",
  "wheelMaterial": "aluminium",
  "wheelTier": "basic-aluminium",
  "tyres": "Goodyear Eagle | 700x30C",
  "weightKg": null,
  "ebike": null,
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "Frame Size (Stem Length) S (90mm)",
      "size": null,
      "sizeCm": null,
      "inStock": true,
      "stockCount": 3,
      "price": null
    },
    {
      "rawSize": "Frame Size (Stem Length) M (90mm)",
      "size": null,
      "sizeCm": null,
      "inStock": true,
      "stockCount": 6,
      "price": null
    },
    {
      "rawSize": "Frame Size (Stem Length) L (100mm)",
      "size": null,
      "sizeCm": null,
      "inStock": true,
      "stockCount": 10,
      "price": null
    },
    {
      "rawSize": "Frame Size (Stem Length) XL (100mm)",
      "size": null,
      "sizeCm": null,
      "inStock": true,
      "stockCount": 6,
      "price": null
    }
  ],
  "seller": null,
  "availability": "in-stock",
  "gtins": [
    "8718223022540",
    "8718223023882",
    "8718223023899",
    "8718223023905",
    "8718223023912"
  ],
  "imageUrl": "https://images.bike24.com/media/510/i/mb/af/12/25/boson-silver-105-dte1800-6-2170617.jpg",
  "rawTitle": "Isaac BOSON Carbon Rennrad - Shimano 105 Di2 | DT Swiss E1800 - 2026 - sonic silver",
  "fetchedAt": "2026-11-01T01:31:24.274Z",
  "normalizationConfidence": 1,
  "warnings": []
}

Parsed specification table

{
  "Produktname": "Isaac BOSON Carbon Rennrad - Shimano 105 Di2 | DT Swiss E1800 - 2026 - sonic silver",
  "Hersteller": "Isaac",
  "Artikelnummer": "ISA788329",
  "Aktivität": "Radfahren",
  "Geschlecht": "Herren",
  "Material": "Carbon",
  "Radsport Einsatzbereich": "Rennrad, Endurance",
  "Kette": "Shimano CN-M7100",
  "Kassette": "Shimano CS-R7101",
  "Schalthebel": "Shimano 105 ST-R7170",
  "Schaltwerk": "Shimano 105 RD-R7150 Di2",
  "Umwerfer": "Shimano 105 FD-R7150 Di2",
  "Innenlager": "Shimano SM-BB72-41B | PressFit 86.5x41",
  "Kettenblatt Abstufung": "50-34",
  "Kurbel": "Shimano 105 FC-R7100",
  "Bremsen": "Shimano 105 BR-R7170 | Centerlock | 160mm/140mm",
  "Laufräder": "DT Swiss E1800",
  "Sattelstütze Modell": "Carbon | 25mm Setback",
  "Sattel": "Surface Powerbox | 244x148mm",
  "Lenkerband": "Isaac Momentum",
  "Lenker": "Airflow II | Carbon",
  "Gabel": "Isaac Advanced Carbon Tech Dual 30 | Tapered (1-1/8\" - 1.5\") | 12x100mm",
  "Steuersatz": "Token A-Box | IS52/28.6 | IS52/40",
  "Rahmen": "Isaac BOSON Advanced Carbon Tech Dual 30 | 1150g | 12x142mm",
  "Schaltsystem (Hersteller)": "Shimano",
  "Abstufung Kassette": "11-12-13-14-15-17-18-21-24-27-30-34",
  "Schaltungsart": "Kette - Elektronisch",
  "Art der Bremse": "Scheibenbremse",
  "Laufradgröße": "28\" (622mm)",
  "Sattelstütze": "Sattelstütze starr",
  "Hinterbau": "Ungefedert",
  "Reifen": "Goodyear Eagle | 700x30C",
  "Maximale Reifenbreite": "32mm",
  "Bremsbetätigung": "Hydraulisch",
  "Modelljahr": "2026",
  "Farbe": "Grau",
  "Gabel Bauart": "Starrgabel",
  "Zugverlegung": "vollintegriert",
  "Produktserie": "Isaac - Boson",
  "Schaltstufen": "2 x 12",
  "Rahmenform": "Diamant",
  "GTIN": "8718223023882, 8718223023899, 8718223022540, 8718223023905, 8718223023912",
  "Herstellerseite": "https://www.isaac-cycle.com/en_US/#"
}

Raw adapter output

{
  "retailer": "bike24",
  "retailerProductId": "1080531",
  "productUrl": "https://www.bike24.de/p11080531.html",
  "extractionMethod": "embedded-json",
  "sourceCategory": "road",
  "rawTitle": "Isaac BOSON Carbon Rennrad - Shimano 105 Di2 | DT Swiss E1800 - 2026 - sonic silver",
  "rawBrand": "Isaac",
  "price": 2399,
  "originalPrice": 4049,
  "currency": "EUR",
  "imageUrl": "https://images.bike24.com/media/510/i/mb/af/12/25/boson-silver-105-dte1800-6-2170617.jpg",
  "rawSpecifications": {
    "Produktname": "Isaac BOSON Carbon Rennrad - Shimano 105 Di2 | DT Swiss E1800 - 2026 - sonic silver",
    "Hersteller": "Isaac",
    "Artikelnummer": "ISA788329",
    "Aktivität": "Radfahren",
    "Geschlecht": "Herren",
    "Material": "Carbon",
    "Radsport Einsatzbereich": "Rennrad, Endurance",
    "Kette": "Shimano CN-M7100",
    "Kassette": "Shimano CS-R7101",
    "Schalthebel": "Shimano 105 ST-R7170",
    "Schaltwerk": "Shimano 105 RD-R7150 Di2",
    "Umwerfer": "Shimano 105 FD-R7150 Di2",
    "Innenlager": "Shimano SM-BB72-41B | PressFit 86.5x41",
    "Kettenblatt Abstufung": "50-34",
    "Kurbel": "Shimano 105 FC-R7100",
    "Bremsen": "Shimano 105 BR-R7170 | Centerlock | 160mm/140mm",
    "Laufräder": "DT Swiss E1800",
    "Sattelstütze Modell": "Carbon | 25mm Setback",
    "Sattel": "Surface Powerbox | 244x148mm",
    "Lenkerband": "Isaac Momentum",
    "Lenker": "Airflow II | Carbon",
    "Gabel": "Isaac Advanced Carbon Tech Dual 30 | Tapered (1-1/8\" - 1.5\") | 12x100mm",
    "Steuersatz": "Token A-Box | IS52/28.6 | IS52/40",
    "Rahmen": "Isaac BOSON Advanced Carbon Tech Dual 30 | 1150g | 12x142mm",
    "Schaltsystem (Hersteller)": "Shimano",
    "Abstufung Kassette": "11-12-13-14-15-17-18-21-24-27-30-34",
    "Schaltungsart": "Kette - Elektronisch",
    "Art der Bremse": "Scheibenbremse",
    "Laufradgröße": "28\" (622mm)",
    "Sattelstütze": "Sattelstütze starr",
    "Hinterbau": "Ungefedert",
    "Reifen": "Goodyear Eagle | 700x30C",
    "Maximale Reifenbreite": "32mm",
    "Bremsbetätigung": "Hydraulisch",
    "Modelljahr": "2026",
    "Farbe": "Grau",
    "Gabel Bauart": "Starrgabel",
    "Zugverlegung": "vollintegriert",
    "Produktserie": "Isaac - Boson",
    "Schaltstufen": "2 x 12",
    "Rahmenform": "Diamant",
    "GTIN": "8718223023882, 8718223023899, 8718223022540, 8718223023905, 8718223023912",
    "Herstellerseite": "https://www.isaac-cycle.com/en_US/#"
  },
  "rawFeatures": [],
  "rawSizes": [
    {
      "rawSize": "Frame Size (Stem Length) S (90mm)",
      "size": null,
      "sizeCm": null,
      "inStock": true,
      "stockCount": 3,
      "price": null
    },
    {
      "rawSize": "Frame Size (Stem Length) M (90mm)",
      "size": null,
      "sizeCm": null,
      "inStock": true,
      "stockCount": 6,
      "price": null
    },
    {
      "rawSize": "Frame Size (Stem Length) L (100mm)",
      "size": null,
      "sizeCm": null,
      "inStock": true,
      "stockCount": 10,
      "price": null
    },
    {
      "rawSize": "Frame Size (Stem Length) XL (100mm)",
      "size": null,
      "sizeCm": null,
      "inStock": true,
      "stockCount": 6,
      "price": null
    }
  ],
  "availabilityText": "Auf Lager – Lieferzeit nach Deutschland 2-5 Arbeitstage",
  "fetchedAt": "2026-11-01T01:31:24.274Z",
  "sourceMeta": {
    "skus": [
      "8718223023882",
      "8718223023899",
      "8718223022540",
      "8718223023905",
      "8718223023912"
    ],
    "startingPrice": false,
    "discountInPercent": 40,
    "articleNumber": "ISA788329"
  }
}

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