← Review table (gravel) · shopper page
bike24:1008410 · source URL · confidence 0.95 · GTIN 0843346123466
Cannot win: category is mtb, not gravel; not-a-gravel-bike
| retailer label | alpha | comparable cm | match | mapping | in stock | variant price | evidence |
|---|---|---|---|---|---|---|---|
| S | S | — | unknown | unsupported | yes | listing price | — |
| mapping | unsupported |
|---|---|
| reason | "S" is a letter size and there is no reviewed Marin equivalence to convert it. |
A shopper asking for: 54 → nothing compatible · 56 → nothing compatible · 58 → nothing compatible · 60 → nothing compatible
Canonical configuration: Marin | FOUR CORNERS 2 | Apex | 2026
Confidence: high
| retailer | price | sizes in stock | |
|---|---|---|---|
| BIKE24 | €1.749 | S | debug |
| BIKE24 | €1.899 | L | debug |
| field | source | evidence |
|---|---|---|
| brand | retailer:bike24 / parse | Marin |
| model | retailer:bike24 / derived | Marin FOUR CORNERS 2 - Stahl Gravel Bike - 2026 - 27.5" | grau |
| modelYear | retailer:bike24 / parse | Modelljahr: 2026 |
| category | retailer:bike24 / parse | 27.5 |
| frameMaterial | retailer:bike24 / parse | Stahl |
| groupsetFamily | retailer:bike24 / dictionary | SRAM Apex 1 || SRAM Apex 1 |
| electronicShifting | retailer:bike24 / parse | Mechanisch |
| speeds | retailer:bike24 / parse | 1 x 12 |
| brakes | retailer:bike24 / parse | Hydraulisch |
| suspension | retailer:bike24 / derived | no suspension fork and no rear shock on a drop-bar listing |
| fork | retailer:bike24 / dictionary | Series 3 CroMo |
| dropperPost | retailer:bike24 / derived | seatpost row says "starr" |
| wheelSize | retailer:bike24 / parse | 27.5 |
| wheelMaterial | retailer:bike24 / parse | Aluminum |
| powerMeter | retailer:bike24 / derived | absent from a 46-field spec table |
| availability | retailer:bike24 / derived | Auf Lager – Lieferzeit nach Deutschland 2-4 Arbeitstage |
blocking not-a-gravel-bike — Classified as mtb.info single-size-only — Only one size is in stock (S).{
"frameScore": 13,
"drivetrainScore": 19,
"wheelScore": 5,
"extrasScore": 0,
"suspensionScore": 0,
"weightAdjustment": 0,
"equipmentValue": 37,
"notes": [
"SRAM Apex = 19.",
"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\" = 0, the baseline for gravel.",
"Weight not published: no weight adjustment either way."
],
"marketPrice": 1828,
"valueScore": 1.045,
"savingsVsMarket": 79
}
{
"requested": [
"wheelMaterial",
"wheelTier",
"weightKg"
],
"applied": [],
"rejected": [],
"notes": "Wheel rims are listed as the house model \"Marin Aluminum Double Wall\" (so wheel material is aluminium). Because this is an unrecognised house-brand wheelset, wheelTier is set to null per instructions. Chain and cassette are SRAM NX while shifters/derailleur/crank are SRAM Apex 1; however the shifters/derailleur/crank come from the same family (Apex), so mixedGroupset is false. No complete-bike weight or power meter is stated in the source.",
"raw": {
"frameMaterial": {
"value": "steel",
"evidence": "Material: Stahl",
"confidence": 0.9
},
"groupsetBrand": {
"value": "SRAM",
"evidence": "Schaltsystem (Hersteller): SRAM",
"confidence": 0.9
},
"groupsetFamily": {
"value": "Apex",
"evidence": "Schalthebel: SRAM Apex 1",
"confidence": 0.9
},
"electronicShifting": {
"value": "false",
"evidence": "Schaltungsart: Kette - Mechanisch",
"confidence": 0.9
},
"speeds": {
"value": "12",
"evidence": "Schaltstufen: 1 x 12",
"confidence": 0.9
},
"mixedGroupset": {
"value": "false",
"evidence": "Schalthebel: SRAM Apex 1",
"confidence": 0.9
},
"wheelMaterial": {
"value": "aluminium",
"evidence": "Felgen: Marin Aluminum Double Wall",
"confidence": 0.9
},
"wheelTier": {
"value": null,
"evidence": null,
"confidence": 0.8
},
"brakes": {
"value": "hydraulic-disc",
"evidence": "Bremsbetätigung: Hydraulisch",
"confidence": 0.9
},
"weightKg": {
"value": null,
"evidence": null,
"confidence": 0.9
},
"powerMeter": {
"value": null,
"evidence": null,
"confidence": 0.9
},
"notes": "Wheel rims are listed as the house model \"Marin Aluminum Double Wall\" (so wheel material is aluminium). Because this is an unrecognised house-brand wheelset, wheelTier is set to null per instructions. Chain and cassette are SRAM NX while shifters/derailleur/crank are SRAM Apex 1; however the shifters/derailleur/crank come from the same family (Apex), so mixedGroupset is false. No complete-bike weight or power meter is stated in the source."
}
}
{
"id": "bike24:1008410",
"retailer": "bike24",
"retailerProductId": "1008410",
"productUrl": "https://www.bike24.de/p11008410.html",
"brand": "Marin",
"model": "FOUR CORNERS 2",
"modelYear": 2026,
"category": "mtb",
"categoryBasis": "stated",
"sourceCategory": "gravel",
"price": 1749,
"originalPrice": 2199,
"currency": "EUR",
"discountPercent": 20,
"frameMaterial": "steel",
"frameModel": "Series 3 Double Butted CroMo | Biometric Geometry",
"frameTier": null,
"groupsetBrand": "SRAM",
"groupsetFamily": "Apex",
"groupsetGeneration": null,
"electronicShifting": false,
"speeds": 12,
"mixedGroupset": false,
"groupsetComponents": {
"shifters": "Apex",
"rearDerailleur": "Apex",
"crank": "Apex"
},
"groupsetTierSpread": 0,
"crank": "SRAM Apex 1",
"cassette": "SRAM CS-XG-1275",
"brakes": "hydraulic-disc",
"brakePistons": null,
"brakeTier": "unknown",
"suspension": "none",
"fork": {
"make": null,
"line": null,
"tier": "rigid",
"travelMm": 0
},
"rearShock": null,
"dropperPost": false,
"beltDrive": null,
"hubDynamo": null,
"rack": null,
"mudguards": null,
"chaincase": null,
"kickstand": null,
"lighting": null,
"wheelSize": "27.5",
"wheelset": "Marin Aluminum Double Wall | Forged Aluminum Alloy",
"wheelMaterial": "aluminium",
"wheelTier": "unknown",
"tyres": "Vee Tire Co. QuikStyk | 45mm",
"weightKg": null,
"powerMeter": false,
"powerMeterKind": null,
"availableSizes": [
{
"rawSize": "S",
"size": "S",
"sizeCm": null,
"inStock": true,
"stockCount": 1,
"price": null
}
],
"seller": null,
"availability": "limited",
"gtins": [
"0843346123466"
],
"imageUrl": "https://images.bike24.com/media/510/i/mb/6d/b7/9d/four-corners-2-silver-2050400.jpg",
"rawTitle": "Marin FOUR CORNERS 2 - Stahl Gravel Bike - 2026 - 27.5\" | grau",
"fetchedAt": "2026-09-19T05:09:21.894Z",
"normalizationConfidence": 0.95,
"warnings": [
{
"code": "not-a-gravel-bike",
"message": "Classified as mtb.",
"severity": "blocking"
},
{
"code": "single-size-only",
"message": "Only one size is in stock (S).",
"severity": "info"
}
]
}
{
"Produktname": "Marin FOUR CORNERS 2 - Stahl Gravel Bike - 2026 - 27.5\" | grau",
"Hersteller": "Marin Bikes",
"Artikelnummer": "MAB759630",
"Aktivität": "Radfahren",
"Geschlecht": "Herren",
"Material": "Stahl",
"Radsport Einsatzbereich": "Allroad / Gravel",
"Naben": "Forged Aluminum Alloy",
"Speichen": "14g Black Stainless Steel",
"Felgen": "Marin Aluminum Double Wall",
"Kette": "SRAM NX",
"Kassette": "SRAM CS-XG-1275",
"Schalthebel": "SRAM Apex 1",
"Schaltwerk": "SRAM Apex 1",
"Innenlager": "SRAM DUB BSA",
"Kettenblatt Abstufung": "40",
"Kurbel": "SRAM Apex 1",
"Bremsen": "SRAM Apex 1 | 160/160mm",
"Sattelstütze Modell": "Marin Alloy",
"Sattel": "Marin Beyond Road Concept",
"Lenkerband": "Marin Comfort",
"Lenker": "Marin Butted Alloy | Compact | 16º Flared Drop",
"Vorbau": "Marin 3D Forged Alloy",
"Gabel": "Series 3 CroMo",
"Steuersatz": "FSA No.42/ACB",
"Rahmen": "Series 3 Double Butted CroMo | Biometric Geometry",
"Schaltsystem (Hersteller)": "SRAM",
"Abstufung Kassette": "10-52",
"Schaltungsart": "Kette - Mechanisch",
"Art der Bremse": "Scheibenbremse",
"Laufradgröße": "27,5\" / 650B (584mm)",
"Sattelstütze": "Sattelstütze starr",
"Hinterbau": "Ungefedert",
"Pedale": "Nylon Platform",
"Reifen": "Vee Tire Co. QuikStyk | 45mm",
"Maximale Reifenbreite": "50mm",
"Bremsbetätigung": "Hydraulisch",
"Modelljahr": "2026",
"Farbe": "Grau",
"Gabel Bauart": "Starrgabel",
"Zugverlegung": "extern",
"Produktserie": "Marin - Four Corners",
"Schaltstufen": "1 x 12",
"Rahmenform": "Diamant",
"GTIN": "843346123466",
"Herstellerseite": "www.marinbikes.com"
}
{
"retailer": "bike24",
"retailerProductId": "1008410",
"productUrl": "https://www.bike24.de/p11008410.html",
"extractionMethod": "embedded-json",
"sourceCategory": "gravel",
"rawTitle": "Marin FOUR CORNERS 2 - Stahl Gravel Bike - 2026 - 27.5\" | grau",
"rawBrand": "Marin",
"price": 1749,
"originalPrice": 2199,
"currency": "EUR",
"imageUrl": "https://images.bike24.com/media/510/i/mb/6d/b7/9d/four-corners-2-silver-2050400.jpg",
"rawSpecifications": {
"Produktname": "Marin FOUR CORNERS 2 - Stahl Gravel Bike - 2026 - 27.5\" | grau",
"Hersteller": "Marin Bikes",
"Artikelnummer": "MAB759630",
"Aktivität": "Radfahren",
"Geschlecht": "Herren",
"Material": "Stahl",
"Radsport Einsatzbereich": "Allroad / Gravel",
"Naben": "Forged Aluminum Alloy",
"Speichen": "14g Black Stainless Steel",
"Felgen": "Marin Aluminum Double Wall",
"Kette": "SRAM NX",
"Kassette": "SRAM CS-XG-1275",
"Schalthebel": "SRAM Apex 1",
"Schaltwerk": "SRAM Apex 1",
"Innenlager": "SRAM DUB BSA",
"Kettenblatt Abstufung": "40",
"Kurbel": "SRAM Apex 1",
"Bremsen": "SRAM Apex 1 | 160/160mm",
"Sattelstütze Modell": "Marin Alloy",
"Sattel": "Marin Beyond Road Concept",
"Lenkerband": "Marin Comfort",
"Lenker": "Marin Butted Alloy | Compact | 16º Flared Drop",
"Vorbau": "Marin 3D Forged Alloy",
"Gabel": "Series 3 CroMo",
"Steuersatz": "FSA No.42/ACB",
"Rahmen": "Series 3 Double Butted CroMo | Biometric Geometry",
"Schaltsystem (Hersteller)": "SRAM",
"Abstufung Kassette": "10-52",
"Schaltungsart": "Kette - Mechanisch",
"Art der Bremse": "Scheibenbremse",
"Laufradgröße": "27,5\" / 650B (584mm)",
"Sattelstütze": "Sattelstütze starr",
"Hinterbau": "Ungefedert",
"Pedale": "Nylon Platform",
"Reifen": "Vee Tire Co. QuikStyk | 45mm",
"Maximale Reifenbreite": "50mm",
"Bremsbetätigung": "Hydraulisch",
"Modelljahr": "2026",
"Farbe": "Grau",
"Gabel Bauart": "Starrgabel",
"Zugverlegung": "extern",
"Produktserie": "Marin - Four Corners",
"Schaltstufen": "1 x 12",
"Rahmenform": "Diamant",
"GTIN": "843346123466",
"Herstellerseite": "www.marinbikes.com"
},
"rawFeatures": [],
"rawSizes": [
{
"rawSize": "S",
"size": "S",
"sizeCm": null,
"inStock": true,
"stockCount": 1,
"price": null
}
],
"availabilityText": "Auf Lager – Lieferzeit nach Deutschland 2-4 Arbeitstage",
"fetchedAt": "2026-09-19T05:09:21.894Z",
"sourceMeta": {
"skus": [
"843346123466"
],
"startingPrice": false,
"discountInPercent": 20,
"articleNumber": "MAB759630"
}
}