← Review table (gravel) · shopper page

Cannondale Topstone 1, obsidian

biker-boarder:3120325 · source URL · confidence 1 · GTIN 0196870277427, 0196870277434, 0196870277441, 0196870277458

Eligibility

Can win a band.

Size decisions

retailer labelalphacomparable cmmatchmappingin stockvariant priceevidence
S // 45.8 cmSunknownunsupported — the listing's 45.8 cm is a frame measurement?listing price
M // 50.5 cmMunknownunsupported — the listing's 50.5 cm is a frame measurementyes€1.499
L // 55.3 cmLunknownunsupported — the listing's 55.3 cm is a frame measurement?listing price
XL // 60 cmXLunknownunsupported — the listing's 60 cm is a frame measurement?listing price
mappingunsupported
discarded figurethe listing prints 45.8 cm beside its letter size
reasonCannondale's Topstone dual label is a seat tube: XS=41 S=46 M=51 L=55 XL=60, a 5 cm step per letter against the conventional scale's 2-2.5 cm, and XS sits 8.5 cm below where the market puts an XS. The harvester rejects the pooled ladder for the same reason (implausible-step); this records the verdict so the stated centimetres are actively discarded rather than merely left unmapped.

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

Identity

Canonical configuration: Cannondale | TOPSTONE 1 | GRX | 2026
Confidence: high

retailerpricesizes in stock
BIKER-BOARDER€1.499M // 50.5 cmdebug
Bike-Mailorder€1.519,05XS, S, Ldebug
BIKE24€1.699XS, S, M, Ldebug
Bike-Mailorder€1.771,58nonedebug
fahrrad.de€1.849XS, S, M, L, XLdebug
B.O.C.€1.949,99XS, S, M, L, XLdebug
BikeExchange€1.999XS, S, M, L, XLdebug
bikes.de€1.999SM | (28")debug
Fahrrad XXL€2.149,99XSdebug
Bike-Mailorder€2.399nonedebug

Provenance — why we believe each fact

fieldsourceevidence
brandretailer:biker-boarder / parsecannondale
modelretailer:biker-boarder / derivedCannondale Topstone 1, obsidian
categoryretailer:biker-boarder / parseTopstone
frameMaterialretailer:biker-boarder / parseSmartForm
groupsetFamilyretailer:biker-boarder / dictionaryShimano GRX 600, 12-fach || Shimano GRX 820, Shadow RD+ || Shimano GRX 820
electronicShiftingretailer:biker-boarder / parsemechanisch
speedsretailer:biker-boarder / parse12-fach
brakesretailer:biker-boarder / parsehydr. Scheibenbremse
suspensionretailer:biker-boarder / derivedno suspension fork and no rear shock on a drop-bar listing
forkretailer:biker-boarder / dictionaryTopstone Carbon, 1 1/8 auf 1.5 Zoll Gabelschaft, 55 mm Outfront Offset, Flat Mount Disc, Internal Routing, 12x100 mm Ste
dropperPostretailer:biker-boarder / derivedseatpost row "Cannondale 3, 6061 Alloy, 27,2 x 350 mm" names no dropper, in a 37-field spec table
beltDriveretailer:biker-boarder / parseShimano GRX 820
wheelMaterialretailer:biker-boarder / dictionaryWTB ST i23
wheelTierretailer:biker-boarder / dictionaryWTB ST i23
powerMeterretailer:biker-boarder / derivedabsent from a 37-field spec table
availabilityretailer:biker-boarder / derived5-12 Werktage

Warnings

Score breakdown

{
  "frameScore": 11,
  "drivetrainScore": 20,
  "wheelScore": 5,
  "extrasScore": 0,
  "suspensionScore": 0,
  "weightAdjustment": 0,
  "equipmentValue": 36,
  "notes": [
    "Shimano GRX = 20.",
    "Wheels \"basic-aluminium\" = 5.",
    "Brakes \"hydraulic-disc\" = 0, the baseline for gravel.",
    "Weight not published: no weight adjustment either way."
  ],
  "marketPrice": 1779,
  "valueScore": 1.187,
  "savingsVsMarket": 280
}

AI normalization

Not used: deterministic parsing resolved every field it needed.

Normalized record

{
  "id": "biker-boarder:3120325",
  "retailer": "biker-boarder",
  "retailerProductId": "3120325",
  "productUrl": "https://www.biker-boarder.de/cannondale/3120325.html",
  "brand": "Cannondale",
  "model": "Topstone 1, obsidian",
  "modelYear": null,
  "category": "gravel",
  "categoryBasis": "stated",
  "sourceCategory": "gravel",
  "price": 1499,
  "originalPrice": null,
  "currency": "EUR",
  "discountPercent": null,
  "frameMaterial": "aluminium",
  "frameModel": "Topstone, Lightweight SmartForm C2 Alloy, 12x142 mm Steckachse, Tapered Headtube, BSA Threaded BB Flat Mount Disc, Straightshot Internal Cable Routing, Multiple",
  "frameTier": null,
  "groupsetBrand": "Shimano",
  "groupsetFamily": "GRX",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": 12,
  "mixedGroupset": false,
  "groupsetComponents": {
    "shifters": "GRX",
    "rearDerailleur": "GRX",
    "frontDerailleur": "GRX",
    "crank": "GRX",
    "cassette": "105"
  },
  "groupsetTierSpread": 0,
  "crank": "Shimano GRX 600",
  "cassette": "Shimano HG R7100, 11-34, 12-fach",
  "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": null,
  "wheelset": "WTB ST i23 TCS, 28-Loch, Tubeless Ready | Formula cartridge bearing, 12x100 mm Centerlock | Formula cartridge bearing, 12x142 mm Centerlock",
  "wheelMaterial": "aluminium",
  "wheelTier": "basic-aluminium",
  "tyres": "WTB Riddler TCS Light, 700x37c, Tubeless Ready",
  "weightKg": null,
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "S // 45.8 cm",
      "size": "45.8",
      "sizeCm": 45.8,
      "inStock": null,
      "stockCount": null,
      "price": null
    },
    {
      "rawSize": "M // 50.5 cm",
      "size": "50.5",
      "sizeCm": 50.5,
      "inStock": true,
      "stockCount": null,
      "price": 1499
    },
    {
      "rawSize": "L // 55.3 cm",
      "size": "55.3",
      "sizeCm": 55.3,
      "inStock": null,
      "stockCount": null,
      "price": null
    },
    {
      "rawSize": "XL // 60 cm",
      "size": "60",
      "sizeCm": 60,
      "inStock": null,
      "stockCount": null,
      "price": null
    }
  ],
  "seller": null,
  "availability": "limited",
  "gtins": [
    "0196870277427",
    "0196870277434",
    "0196870277441",
    "0196870277458"
  ],
  "imageUrl": "https://img.biker-boarder.de/products/400x300c/54/5474570d-1819-4c98-a87f-1d83398b3a56.jpg",
  "rawTitle": "Cannondale Topstone 1, obsidian",
  "fetchedAt": "2026-09-19T06:28:12.564Z",
  "normalizationConfidence": 1,
  "warnings": [
    {
      "code": "single-size-only",
      "message": "Only one size is in stock (M // 50.5 cm).",
      "severity": "info"
    }
  ]
}

Parsed specification table

{
  "Bike Einsatzzweck": "Gravel und Adventure",
  "Rahmen": "Topstone, Lightweight SmartForm C2 Alloy, 12x142 mm Steckachse, Tapered Headtube, BSA Threaded BB Flat Mount Disc, Straightshot Internal Cable Routing, Multiple Gear/Bottle Mounts",
  "Rahmenmaterial": "Aluminium",
  "Gabel": "Topstone Carbon, 1 1/8 auf 1.5 Zoll Gabelschaft, 55 mm Outfront Offset, Flat Mount Disc, Internal Routing, 12x100 mm Steckachse, Fender/Gear Mounts",
  "Steuersatz": "Integriert, 1 1/8 auf 1.5 Zoll",
  "Vorbau": "Cannondale 3, 6061 Alloy, 31,8 mm, 7°",
  "Lenker": "Cannondale 3, Butted 6061 Alloy, 16° Flare Drop",
  "Lenkerband": "Cannondale Bar Tape, 3.5 mm",
  "Bremsen": "Shimano GRX 400 160/160 mm RT64 Rotor",
  "Bremshebel": "Shimano GRX 600",
  "Bremsentyp": "hydr. Scheibenbremse",
  "Umwerfer": "Shimano GRX 820",
  "Schaltwerk": "Shimano GRX 820, Shadow RD+",
  "Schalt-/Bremshebel": "Shimano GRX 600, 12-fach",
  "Schaltart": "mechanisch",
  "Kassette": "Shimano HG R7100, 11-34, 12-fach",
  "Kette": "Shimano HG M7100, 12-fach",
  "Kurbelsatz": "Shimano GRX 600",
  "Kettenblätter": "46/30",
  "Schaltung/Antrieb": "Kettenschaltung",
  "Antrieb": "2x",
  "Gänge": "24",
  "Innenlager": "Shimano BSA 68",
  "Pedale": "nicht enthalten",
  "Felgen": "WTB ST i23 TCS, 28-Loch, Tubeless Ready",
  "Nabe vorn": "Formula cartridge bearing, 12x100 mm Centerlock",
  "Nabe hinten": "Formula cartridge bearing, 12x142 mm Centerlock",
  "Speichen": "Stainless Steel, 14 g",
  "Laufradgröße": "700C",
  "Reifen": "WTB Riddler TCS Light, 700x37c, Tubeless Ready",
  "Sattel": "Fizik Aliante Delta, S-Alloy Rails",
  "Sattelstütze": "Cannondale 3, 6061 Alloy, 27,2 x 350 mm",
  "Artikelnummern": "S // 45.8 cm | SKU: 3120327, EAN: 0196870277427, MPN: C15395U10SM M // 50.5 cm | SKU: 3120328, EAN: 0196870277434, MPN: C15395U10MD L // 55.3 cm | SKU: 3120329, EAN: 0196870277441, MPN: C15395U10LG XL // 60 cm | SKU: 3120330, EAN: 0196870277458, MPN: C15395U10XL",
  "S // 45.8 cm | SKU": "3120327, EAN: 0196870277427, MPN: C15395U10SM",
  "M // 50.5 cm | SKU": "3120328, EAN: 0196870277434, MPN: C15395U10MD",
  "L // 55.3 cm | SKU": "3120329, EAN: 0196870277441, MPN: C15395U10LG",
  "XL // 60 cm | SKU": "3120330, EAN: 0196870277458, MPN: C15395U10XL"
}

Raw adapter output

{
  "retailer": "biker-boarder",
  "retailerProductId": "3120325",
  "productUrl": "https://www.biker-boarder.de/cannondale/3120325.html",
  "extractionMethod": "server-html",
  "sourceCategory": "gravel",
  "rawTitle": "Cannondale Topstone 1, obsidian",
  "rawBrand": "cannondale",
  "price": 1499,
  "originalPrice": null,
  "currency": "EUR",
  "imageUrl": "https://img.biker-boarder.de/products/400x300c/54/5474570d-1819-4c98-a87f-1d83398b3a56.jpg",
  "rawSpecifications": {
    "Bike Einsatzzweck": "Gravel und Adventure",
    "Rahmen": "Topstone, Lightweight SmartForm C2 Alloy, 12x142 mm Steckachse, Tapered Headtube, BSA Threaded BB Flat Mount Disc, Straightshot Internal Cable Routing, Multiple Gear/Bottle Mounts",
    "Rahmenmaterial": "Aluminium",
    "Gabel": "Topstone Carbon, 1 1/8 auf 1.5 Zoll Gabelschaft, 55 mm Outfront Offset, Flat Mount Disc, Internal Routing, 12x100 mm Steckachse, Fender/Gear Mounts",
    "Steuersatz": "Integriert, 1 1/8 auf 1.5 Zoll",
    "Vorbau": "Cannondale 3, 6061 Alloy, 31,8 mm, 7°",
    "Lenker": "Cannondale 3, Butted 6061 Alloy, 16° Flare Drop",
    "Lenkerband": "Cannondale Bar Tape, 3.5 mm",
    "Bremsen": "Shimano GRX 400 160/160 mm RT64 Rotor",
    "Bremshebel": "Shimano GRX 600",
    "Bremsentyp": "hydr. Scheibenbremse",
    "Umwerfer": "Shimano GRX 820",
    "Schaltwerk": "Shimano GRX 820, Shadow RD+",
    "Schalt-/Bremshebel": "Shimano GRX 600, 12-fach",
    "Schaltart": "mechanisch",
    "Kassette": "Shimano HG R7100, 11-34, 12-fach",
    "Kette": "Shimano HG M7100, 12-fach",
    "Kurbelsatz": "Shimano GRX 600",
    "Kettenblätter": "46/30",
    "Schaltung/Antrieb": "Kettenschaltung",
    "Antrieb": "2x",
    "Gänge": "24",
    "Innenlager": "Shimano BSA 68",
    "Pedale": "nicht enthalten",
    "Felgen": "WTB ST i23 TCS, 28-Loch, Tubeless Ready",
    "Nabe vorn": "Formula cartridge bearing, 12x100 mm Centerlock",
    "Nabe hinten": "Formula cartridge bearing, 12x142 mm Centerlock",
    "Speichen": "Stainless Steel, 14 g",
    "Laufradgröße": "700C",
    "Reifen": "WTB Riddler TCS Light, 700x37c, Tubeless Ready",
    "Sattel": "Fizik Aliante Delta, S-Alloy Rails",
    "Sattelstütze": "Cannondale 3, 6061 Alloy, 27,2 x 350 mm",
    "Artikelnummern": "S // 45.8 cm | SKU: 3120327, EAN: 0196870277427, MPN: C15395U10SM M // 50.5 cm | SKU: 3120328, EAN: 0196870277434, MPN: C15395U10MD L // 55.3 cm | SKU: 3120329, EAN: 0196870277441, MPN: C15395U10LG XL // 60 cm | SKU: 3120330, EAN: 0196870277458, MPN: C15395U10XL",
    "S // 45.8 cm | SKU": "3120327, EAN: 0196870277427, MPN: C15395U10SM",
    "M // 50.5 cm | SKU": "3120328, EAN: 0196870277434, MPN: C15395U10MD",
    "L // 55.3 cm | SKU": "3120329, EAN: 0196870277441, MPN: C15395U10LG",
    "XL // 60 cm | SKU": "3120330, EAN: 0196870277458, MPN: C15395U10XL"
  },
  "rawFeatures": [
    "Serien-Info Fahrbereit – Topstone Alloy: Das Topstone Alloy ist für jede Fahrt bereit und vereint den Geist des Topstone Carbon mit einem robusten, jederzeit einsatzbereiten Aluminiumrahmen. Ob du unbekannte Strecken erkundest oder auf dem Arbeitsweg Tempo machst – mit dem langlebigen, zuverlässigen Topstone Alloy schaffst du alles.",
    "Fahrbereit – Topstone Alloy: Das Topstone Alloy ist für jede Fahrt bereit und vereint den Geist des Topstone Carbon mit einem robusten, jederzeit einsatzbereiten Aluminiumrahmen. Ob du unbekannte Strecken erkundest oder auf dem Arbeitsweg Tempo machst – mit dem langlebigen, zuverlässigen Topstone Alloy schaffst du alles.",
    "Entdecke neue Abenteuer. Entdecke die Freiheit. Ein erstaunlich leistungsfähiges, vielseitiges Gravel-Rennrad. Gebaut, um Horizonte zu erkunden, weniger befahrene Strecken zu entdecken oder Ihren Arbeitsweg zu beschleunigen.",
    "Ein erstaunlich leistungsfähiges, vielseitiges Gravel-Rennrad. Gebaut, um Horizonte zu erkunden, weniger befahrene Strecken zu entdecken oder Ihren Arbeitsweg zu beschleunigen.",
    "Das, wofür es gemacht ist Gravel-Riding, Entdeckungstouren, Bikepacking, Performance-Commuting",
    "Gravel-Riding, Entdeckungstouren, Bikepacking, Performance-Commuting",
    "Geometrie OutFront-Lenkgeometrie: Verlässliche Spurtreue trifft auf agile Wendigkeit. Mehr Gabel-Offset gepaart mit einem flachen Lenkwinkel sorgen nicht nur für ein leichtes und Lenkverhalten, sondern auch für eine unglaubliche Sicherheit bei hohen Geschwindigkeiten und in rauem Gelände.",
    "OutFront-Lenkgeometrie: Verlässliche Spurtreue trifft auf agile Wendigkeit. Mehr Gabel-Offset gepaart mit einem flachen Lenkwinkel sorgen nicht nur für ein leichtes und Lenkverhalten, sondern auch für eine unglaubliche Sicherheit bei hohen Geschwindigkeiten und in rauem Gelände.",
    "Rahmen Leichter SmartForm C2 Aluminiumrahmen StraightShot Internal Cable Routing Flat Mount Disc Bremsaufnahme 12 x 142 mm Steckachse",
    "Leichter SmartForm C2 Aluminiumrahmen",
    "StraightShot Internal Cable Routing",
    "Flat Mount Disc Bremsaufnahme"
  ],
  "rawSizes": [
    {
      "rawSize": "S // 45.8 cm",
      "size": "45.8",
      "sizeCm": 45.8,
      "inStock": null,
      "stockCount": null,
      "price": null
    },
    {
      "rawSize": "M // 50.5 cm",
      "size": "50.5",
      "sizeCm": 50.5,
      "inStock": true,
      "stockCount": null,
      "price": 1499
    },
    {
      "rawSize": "L // 55.3 cm",
      "size": "55.3",
      "sizeCm": 55.3,
      "inStock": null,
      "stockCount": null,
      "price": null
    },
    {
      "rawSize": "XL // 60 cm",
      "size": "60",
      "sizeCm": 60,
      "inStock": null,
      "stockCount": null,
      "price": null
    }
  ],
  "availabilityText": "5-12 Werktage",
  "fetchedAt": "2026-09-19T06:28:12.564Z",
  "sourceMeta": {
    "discountBadge": "-38%",
    "listedSizes": [
      "M"
    ],
    "articleNumbers": "S // 45.8 cm | SKU: 3120327, EAN: 0196870277427, MPN: C15395U10SM M // 50.5 cm | SKU: 3120328, EAN: 0196870277434, MPN: C15395U10MD L // 55.3 cm | SKU: 3120329, EAN: 0196870277441, MPN: C15395U10LG XL // 60 cm | SKU: 3120330, EAN: 0196870277458, MPN: C15395U10XL"
  }
}

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