← Review table (gravel) · shopper page
bike24:915110 · source URL · confidence 0.83 · GTIN 4252007817228, 4252007817235, 4252007817242, 4252007817259 +2
Can win a band.
| retailer label | alpha | comparable cm | match | mapping | in stock | variant price | evidence |
|---|---|---|---|---|---|---|---|
| XS | XS | — | unknown | unsupported | yes | listing price | — |
| S | S | — | unknown | unsupported | yes | listing price | — |
| M | M | — | unknown | unsupported | yes | listing price | — |
| L | L | — | unknown | unsupported | yes | listing price | — |
| XL | XL | — | unknown | unsupported | yes | listing price | — |
| XXL | XXL | — | unknown | unsupported | yes | listing price | — |
| mapping | unsupported |
|---|---|
| reason | "XS" is a letter size and there is no reviewed Rennstahl equivalence to convert it. |
A shopper asking for: 54 → nothing compatible · 56 → nothing compatible · 58 → nothing compatible · 60 → nothing compatible
Only listing of this configuration — nothing to merge.
| field | source | evidence |
|---|---|---|
| brand | retailer:bike24 / parse | Rennstahl |
| model | retailer:bike24 / derived | Rennstahl 781 Gravel - Gravel Bike - Shimano GRX - 2026 - black matte |
| modelYear | retailer:bike24 / parse | Modelljahr: 2026 |
| category | retailer:bike24 / parse | Gravel |
| frameMaterial | retailer:bike24 / parse | Stahl |
| groupsetFamily | retailer:bike24 / dictionary | Shimano GRX RX610 || Shimano GRX RX610 || Shimano GRX RX610 |
| electronicShifting | retailer:bike24 / parse | Mechanisch |
| speeds | retailer:bike24 / parse | 2 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 | Parapera Anemos Adventure Carbon |
| dropperPost | retailer:bike24 / derived | seatpost row says "starr" |
| beltDrive | retailer:bike24 / parse | Shimano GRX RX610 |
| wheelSize | retailer:bike24 / parse | 28 |
| powerMeter | retailer:bike24 / derived | absent from a 42-field spec table |
| availability | retailer:bike24 / derived | https://schema.org/InStock |
info wheel-material-unknown — Wheel material could not be established.{
"frameScore": 13,
"drivetrainScore": 20,
"wheelScore": 5,
"extrasScore": 0,
"suspensionScore": 0,
"weightAdjustment": 0,
"equipmentValue": 38,
"notes": [
"Shimano GRX = 20.",
"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": 1947,
"valueScore": 0.928,
"savingsVsMarket": -152
}
{
"requested": [
"wheelMaterial",
"wheelTier",
"weightKg"
],
"applied": [],
"rejected": [],
"notes": "Wheels are listed as \"Furlcrum Red 300\" / \"Laufräder: Furlcrum Red 300\", but the source does not state the wheel material or a recognised tier explicitly, so wheelMaterial and wheelTier are left null. No complete-bike weight or power meter mention in the source.",
"raw": {
"frameMaterial": {
"value": "steel",
"evidence": "Material: Stahl",
"confidence": 0.95
},
"groupsetBrand": {
"value": "Shimano",
"evidence": "Schaltsystem (Hersteller): Shimano",
"confidence": 0.95
},
"groupsetFamily": {
"value": "GRX",
"evidence": "Shimano GRX RX610",
"confidence": 0.95
},
"electronicShifting": {
"value": "false",
"evidence": "Schaltungsart: Kette - Mechanisch",
"confidence": 0.9
},
"speeds": {
"value": "12",
"evidence": "Schaltstufen: 2 x 12",
"confidence": 0.95
},
"mixedGroupset": {
"value": "false",
"evidence": "Shimano GRX RX610",
"confidence": 0.9
},
"wheelMaterial": {
"value": null,
"evidence": null,
"confidence": 0
},
"wheelTier": {
"value": null,
"evidence": null,
"confidence": 0
},
"brakes": {
"value": "hydraulic-disc",
"evidence": "Bremsbetätigung: Hydraulisch",
"confidence": 0.95
},
"weightKg": {
"value": null,
"evidence": null,
"confidence": 0
},
"powerMeter": {
"value": null,
"evidence": null,
"confidence": 0
},
"notes": "Wheels are listed as \"Furlcrum Red 300\" / \"Laufräder: Furlcrum Red 300\", but the source does not state the wheel material or a recognised tier explicitly, so wheelMaterial and wheelTier are left null. No complete-bike weight or power meter mention in the source."
}
}
{
"id": "bike24:915110",
"retailer": "bike24",
"retailerProductId": "915110",
"productUrl": "https://www.bike24.de/p1915110.html",
"brand": "Rennstahl",
"model": "781 Gravel",
"modelYear": 2026,
"category": "gravel",
"categoryBasis": "stated",
"sourceCategory": "gravel",
"price": 2099,
"originalPrice": null,
"currency": "EUR",
"discountPercent": null,
"frameMaterial": "steel",
"frameModel": "Rennstahl 781 Gravel",
"frameTier": null,
"groupsetBrand": "Shimano",
"groupsetFamily": "GRX",
"groupsetGeneration": null,
"electronicShifting": false,
"speeds": 12,
"mixedGroupset": false,
"groupsetComponents": {
"shifters": "GRX",
"rearDerailleur": "GRX",
"frontDerailleur": "GRX",
"crank": "GRX",
"cassette": "GRX"
},
"groupsetTierSpread": 0,
"crank": "Shimano GRX RX610",
"cassette": "Shimano GRX RX610",
"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": "Furlcrum Red 300",
"wheelMaterial": "unknown",
"wheelTier": "unknown",
"tyres": "WTB Riddler 37x700",
"weightKg": null,
"powerMeter": false,
"powerMeterKind": null,
"availableSizes": [
{
"rawSize": "XS",
"size": "XS",
"sizeCm": null,
"inStock": true,
"stockCount": 1,
"price": null
},
{
"rawSize": "S",
"size": "S",
"sizeCm": null,
"inStock": true,
"stockCount": 7,
"price": null
},
{
"rawSize": "M",
"size": "M",
"sizeCm": null,
"inStock": true,
"stockCount": 1,
"price": null
},
{
"rawSize": "L",
"size": "L",
"sizeCm": null,
"inStock": true,
"stockCount": 3,
"price": null
},
{
"rawSize": "XL",
"size": "XL",
"sizeCm": null,
"inStock": true,
"stockCount": 2,
"price": null
},
{
"rawSize": "XXL",
"size": "XXL",
"sizeCm": null,
"inStock": true,
"stockCount": 4,
"price": null
}
],
"seller": null,
"availability": "in-stock",
"gtins": [
"4252007817228",
"4252007817235",
"4252007817242",
"4252007817259",
"4252007817266",
"4252007817273"
],
"imageUrl": "https://images.bike24.com/media/510/i/mb/33/04/cf/rennstahl-781-gravel-gravel-bike-shimano-grx-2026-black-matte-2025101.jpg",
"rawTitle": "Rennstahl 781 Gravel - Gravel Bike - Shimano GRX - 2026 - black matte",
"fetchedAt": "2026-09-19T05:12:03.521Z",
"normalizationConfidence": 0.83,
"warnings": [
{
"code": "wheel-material-unknown",
"message": "Wheel material could not be established.",
"severity": "info"
}
]
}
{
"Produktname": "Rennstahl 781 Gravel - Gravel Bike - Shimano GRX - 2026 - black matte",
"Hersteller": "Rennstahl Bikes",
"Artikelnummer": "RSB719970",
"Aktivität": "Radfahren",
"Geschlecht": "Herren",
"Material": "Stahl",
"Radsport Einsatzbereich": "Allroad / Gravel",
"Kette": "Shimano GRX RX610",
"Kassette": "Shimano GRX RX610",
"Schalthebel": "Shimano GRX RX610",
"Schaltwerk": "Shimano GRX RX610",
"Umwerfer": "Shimano GRX RX610",
"Kettenblatt Abstufung": "46-30",
"Kurbel": "Shimano GRX RX610",
"Bremsen": "Shimano GRX 610",
"Laufräder": "Furlcrum Red 300",
"Sattelstütze Modell": "Ergotec AL | 27.2mm",
"Sattel": "Selle Italia or Brooks",
"Lenkerband": "Selle Italia Smoo Tape Grand Fondo",
"Lenker": "Syntace Racelite I AL",
"Vorbau": "Parapera AL Superlight",
"Gabel": "Parapera Anemos Adventure Carbon",
"Steuersatz": "Acros",
"Rahmen": "Rennstahl 781 Gravel",
"Schaltsystem (Hersteller)": "Shimano",
"Abstufung Kassette": "11-34",
"Schaltungsart": "Kette - Mechanisch",
"Art der Bremse": "Scheibenbremse",
"Laufradgröße": "28\" (622mm)",
"Sattelstütze": "Sattelstütze starr",
"Hinterbau": "Ungefedert",
"Reifen": "WTB Riddler 37x700",
"Bremsbetätigung": "Hydraulisch",
"Modelljahr": "2026",
"Kollektion": "Ganzjährig",
"Farbe": "Schwarz",
"Gabel Bauart": "Starrgabel",
"Zugverlegung": "extern",
"Schaltstufen": "2 x 12",
"Rahmenform": "Diamant",
"GTIN": "4252007817259, 4252007817266, 4252007817273, 4252007817228, 4252007817235, 4252007817242",
"Herstellerseite": "https://www.1bike4life.com/rennstahl"
}
{
"retailer": "bike24",
"retailerProductId": "915110",
"productUrl": "https://www.bike24.de/p1915110.html",
"extractionMethod": "embedded-json",
"sourceCategory": "gravel",
"rawTitle": "Rennstahl 781 Gravel - Gravel Bike - Shimano GRX - 2026 - black matte",
"rawBrand": "Rennstahl",
"price": 2099,
"originalPrice": null,
"currency": "EUR",
"imageUrl": "https://images.bike24.com/media/510/i/mb/33/04/cf/rennstahl-781-gravel-gravel-bike-shimano-grx-2026-black-matte-2025101.jpg",
"rawSpecifications": {
"Produktname": "Rennstahl 781 Gravel - Gravel Bike - Shimano GRX - 2026 - black matte",
"Hersteller": "Rennstahl Bikes",
"Artikelnummer": "RSB719970",
"Aktivität": "Radfahren",
"Geschlecht": "Herren",
"Material": "Stahl",
"Radsport Einsatzbereich": "Allroad / Gravel",
"Kette": "Shimano GRX RX610",
"Kassette": "Shimano GRX RX610",
"Schalthebel": "Shimano GRX RX610",
"Schaltwerk": "Shimano GRX RX610",
"Umwerfer": "Shimano GRX RX610",
"Kettenblatt Abstufung": "46-30",
"Kurbel": "Shimano GRX RX610",
"Bremsen": "Shimano GRX 610",
"Laufräder": "Furlcrum Red 300",
"Sattelstütze Modell": "Ergotec AL | 27.2mm",
"Sattel": "Selle Italia or Brooks",
"Lenkerband": "Selle Italia Smoo Tape Grand Fondo",
"Lenker": "Syntace Racelite I AL",
"Vorbau": "Parapera AL Superlight",
"Gabel": "Parapera Anemos Adventure Carbon",
"Steuersatz": "Acros",
"Rahmen": "Rennstahl 781 Gravel",
"Schaltsystem (Hersteller)": "Shimano",
"Abstufung Kassette": "11-34",
"Schaltungsart": "Kette - Mechanisch",
"Art der Bremse": "Scheibenbremse",
"Laufradgröße": "28\" (622mm)",
"Sattelstütze": "Sattelstütze starr",
"Hinterbau": "Ungefedert",
"Reifen": "WTB Riddler 37x700",
"Bremsbetätigung": "Hydraulisch",
"Modelljahr": "2026",
"Kollektion": "Ganzjährig",
"Farbe": "Schwarz",
"Gabel Bauart": "Starrgabel",
"Zugverlegung": "extern",
"Schaltstufen": "2 x 12",
"Rahmenform": "Diamant",
"GTIN": "4252007817259, 4252007817266, 4252007817273, 4252007817228, 4252007817235, 4252007817242",
"Herstellerseite": "https://www.1bike4life.com/rennstahl"
},
"rawFeatures": [
"Langlebiger Rahmen aus Stahl",
"Gabel aus Carbon für mehr Komfort",
"Shimano GRX 2x12-fach Schaltung",
"Furlcrum Red 300 Laufradsatz",
"Schwalbe G-One Reifen",
"Befestigungspunkte für diverses Zubehör"
],
"rawSizes": [
{
"rawSize": "XS",
"size": "XS",
"sizeCm": null,
"inStock": true,
"stockCount": 1,
"price": null
},
{
"rawSize": "S",
"size": "S",
"sizeCm": null,
"inStock": true,
"stockCount": 7,
"price": null
},
{
"rawSize": "M",
"size": "M",
"sizeCm": null,
"inStock": true,
"stockCount": 1,
"price": null
},
{
"rawSize": "L",
"size": "L",
"sizeCm": null,
"inStock": true,
"stockCount": 3,
"price": null
},
{
"rawSize": "XL",
"size": "XL",
"sizeCm": null,
"inStock": true,
"stockCount": 2,
"price": null
},
{
"rawSize": "XXL",
"size": "XXL",
"sizeCm": null,
"inStock": true,
"stockCount": 4,
"price": null
}
],
"availabilityText": "https://schema.org/InStock",
"fetchedAt": "2026-09-19T05:12:03.521Z",
"sourceMeta": {
"skus": [
"4252007817259",
"4252007817266",
"4252007817273",
"4252007817228",
"4252007817235",
"4252007817242"
],
"startingPrice": false,
"discountInPercent": null,
"articleNumber": "RSB719970"
}
}