← Review table (gravel) · shopper page
bike24:1017804 · source URL · confidence 0.63 · GTIN 4252007819444, 4252007819451, 4252007819468, 4252007819475 +2
Cannot win: confidence 0.63 below 0.75
| retailer label | alpha | comparable cm | match | mapping | in stock | variant price | evidence |
|---|---|---|---|---|---|---|---|
| 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 | "M" 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 853 Pi Gravel - Pinion C1.12i - Gravel Bike - 2026 |
| modelYear | retailer:bike24 / parse | Modelljahr: 2026 |
| category | retailer:bike24 / parse | Gravel |
| frameMaterial | retailer:bike24 / parse | Stahl |
| 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 Adventure Gravel Carbon |
| dropperPost | retailer:bike24 / derived | seatpost row says "starr" |
| beltDrive | retailer:bike24 / parse | Gates Riemen CDR | Pinion | Getriebe |
| wheelSize | retailer:bike24 / parse | 28 |
| powerMeter | retailer:bike24 / derived | absent from a 46-field spec table |
| availability | retailer:bike24 / derived | https://schema.org/InStock |
| speeds | ai / ai (0.9) | Schaltstufen: 12 x 1 |
high groupset-unknown — Groupset could not be established.info wheel-material-unknown — Wheel material could not be established.{
"frameScore": 13,
"drivetrainScore": 0,
"wheelScore": 5,
"extrasScore": 0,
"suspensionScore": 0,
"weightAdjustment": 0,
"equipmentValue": 18,
"notes": [
"Groupset not identified: 0 drivetrain points.",
"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": 1016,
"valueScore": 0.185,
"savingsVsMarket": -4483
}
{
"requested": [
"groupsetFamily",
"wheelMaterial",
"wheelTier",
"weightKg"
],
"applied": [],
"rejected": [
{
"field": "mixedGroupset",
"reason": "evidence not found verbatim in source",
"value": "false",
"evidence": "Schalthebel: Pinion\nSchaltwerk: Pinion C1.12i\nKurbel: Pinion"
}
],
"notes": "The bike uses a Pinion gearbox (Pinion C1.12i) which is not in the allowed groupsetFamily vocabulary, so groupsetBrand/family are null. Wheels are listed as 'Felgen: Stan's NoTubes Crest' but material/tier are not stated explicitly, so wheelMaterial and wheelTier are null. No complete-bike weight or explicit mention of electronic shifting or power meter in the source.",
"raw": {
"frameMaterial": {
"value": "steel",
"evidence": "Material: Stahl",
"confidence": 0.9
},
"groupsetBrand": {
"value": null,
"evidence": null,
"confidence": 0.3
},
"groupsetFamily": {
"value": null,
"evidence": null,
"confidence": 0.3
},
"electronicShifting": {
"value": null,
"evidence": null,
"confidence": 0.3
},
"speeds": {
"value": "12",
"evidence": "Schaltstufen: 12 x 1",
"confidence": 0.9
},
"mixedGroupset": {
"value": "false",
"evidence": "Schalthebel: Pinion\nSchaltwerk: Pinion C1.12i\nKurbel: Pinion",
"confidence": 0.8
},
"wheelMaterial": {
"value": null,
"evidence": null,
"confidence": 0.3
},
"wheelTier": {
"value": null,
"evidence": null,
"confidence": 0.3
},
"brakes": {
"value": "hydraulic-disc",
"evidence": "Bremsbetätigung: Hydraulisch",
"confidence": 0.9
},
"weightKg": {
"value": null,
"evidence": null,
"confidence": 0.3
},
"powerMeter": {
"value": null,
"evidence": null,
"confidence": 0.3
},
"notes": "The bike uses a Pinion gearbox (Pinion C1.12i) which is not in the allowed groupsetFamily vocabulary, so groupsetBrand/family are null. Wheels are listed as 'Felgen: Stan's NoTubes Crest' but material/tier are not stated explicitly, so wheelMaterial and wheelTier are null. No complete-bike weight or explicit mention of electronic shifting or power meter in the source."
}
}
{
"id": "bike24:1017804",
"retailer": "bike24",
"retailerProductId": "1017804",
"productUrl": "https://www.bike24.de/p11017804.html",
"brand": "Rennstahl",
"model": "853 Pi Gravel",
"modelYear": 2026,
"category": "gravel",
"categoryBasis": "stated",
"sourceCategory": "gravel",
"price": 5499,
"originalPrice": null,
"currency": "EUR",
"discountPercent": null,
"frameMaterial": "steel",
"frameModel": "Rennstahl 853 Pi Gravel",
"frameTier": null,
"groupsetBrand": null,
"groupsetFamily": null,
"groupsetGeneration": null,
"electronicShifting": null,
"speeds": 12,
"mixedGroupset": null,
"groupsetComponents": null,
"groupsetTierSpread": 0,
"crank": "Pinion",
"cassette": "Gates",
"brakes": "hydraulic-disc",
"brakePistons": null,
"brakeTier": "unknown",
"suspension": "none",
"fork": {
"make": null,
"line": null,
"tier": "rigid",
"travelMm": 0
},
"rearShock": null,
"dropperPost": false,
"beltDrive": true,
"hubDynamo": null,
"rack": null,
"mudguards": null,
"chaincase": null,
"kickstand": null,
"lighting": null,
"wheelSize": "28",
"wheelset": "Stan's NoTubes Crest | Tune KillHill / ClimbHill",
"wheelMaterial": "unknown",
"wheelTier": "unknown",
"tyres": "Schwalbe G-One Bite | 50-622",
"weightKg": null,
"powerMeter": false,
"powerMeterKind": null,
"availableSizes": [
{
"rawSize": "M",
"size": "M",
"sizeCm": null,
"inStock": true,
"stockCount": 1,
"price": null
},
{
"rawSize": "L",
"size": "L",
"sizeCm": null,
"inStock": true,
"stockCount": 1,
"price": null
},
{
"rawSize": "XL",
"size": "XL",
"sizeCm": null,
"inStock": true,
"stockCount": 1,
"price": null
},
{
"rawSize": "XXL",
"size": "XXL",
"sizeCm": null,
"inStock": true,
"stockCount": 1,
"price": null
}
],
"seller": null,
"availability": "in-stock",
"gtins": [
"4252007819444",
"4252007819451",
"4252007819468",
"4252007819475",
"4252007819482",
"4252007819499"
],
"imageUrl": "https://images.bike24.com/media/510/i/mb/8b/66/13/rennstahl-853-pi-gravel-black-0-2047457.jpg",
"rawTitle": "Rennstahl 853 Pi Gravel - Pinion C1.12i - Gravel Bike - 2026",
"fetchedAt": "2026-09-19T05:20:48.969Z",
"normalizationConfidence": 0.63,
"warnings": [
{
"code": "groupset-unknown",
"message": "Groupset could not be established.",
"severity": "high"
},
{
"code": "wheel-material-unknown",
"message": "Wheel material could not be established.",
"severity": "info"
}
]
}
{
"Produktname": "Rennstahl 853 Pi Gravel - Pinion C1.12i - Gravel Bike - 2026",
"Hersteller": "Rennstahl Bikes",
"Artikelnummer": "RSB763341",
"Aktivität": "Radfahren",
"Geschlecht": "Herren",
"Material": "Stahl",
"Radsport Einsatzbereich": "City, Allroad / Gravel",
"Naben": "Tune KillHill / ClimbHill",
"Felgen": "Stan's NoTubes Crest",
"Kette": "Gates Riemen CDR",
"Kassette": "Gates",
"Schalthebel": "Pinion",
"Schaltwerk": "Pinion C1.12i",
"Innenlager": "Pinion",
"Kettenblatt Abstufung": "32",
"Kurbel": "Pinion",
"Bremsen": "TRP Highwire",
"Sattelstütze Modell": "Parapera Carbon",
"Sattel": "Selle Italia Model X Evo Plus",
"Lenkerband": "Selle Italia Smoo Tape Grand Fondo",
"Lenker": "Parapera VLE Carbon",
"Vorbau": "Parapera VLE Carbon",
"Gabel": "Parapera Adventure Gravel Carbon",
"Steuersatz": "Acros",
"Rahmen": "Rennstahl 853 Pi Gravel",
"Schaltsystem (Hersteller)": "Pinion",
"Abstufung Kassette": "28",
"Schaltungsart": "Getriebe",
"Fahrrad Besonderheiten": "Riemenantrieb",
"Art der Bremse": "Scheibenbremse",
"Laufradgröße": "28\" (622mm)",
"Sattelstütze": "Sattelstütze starr",
"Hinterbau": "Ungefedert",
"Reifen": "Schwalbe G-One Bite | 50-622",
"Maximale Reifenbreite": "50mm",
"max. Systemgewicht": "145kg",
"Bremsbetätigung": "Hydraulisch",
"Modelljahr": "2026",
"Farbe": "Schwarz",
"Gabel Bauart": "Starrgabel",
"Zugverlegung": "intern",
"Produktserie": "Rennstahl - 853",
"Schaltstufen": "12 x 1",
"Rahmenform": "Diamant",
"GTIN": "4252007819444, 4252007819451, 4252007819468, 4252007819475, 4252007819482, 4252007819499",
"Herstellerseite": "https://www.1bike4life.com/rennstahl"
}
{
"retailer": "bike24",
"retailerProductId": "1017804",
"productUrl": "https://www.bike24.de/p11017804.html",
"extractionMethod": "embedded-json",
"sourceCategory": "gravel",
"rawTitle": "Rennstahl 853 Pi Gravel - Pinion C1.12i - Gravel Bike - 2026",
"rawBrand": "Rennstahl",
"price": 5499,
"originalPrice": null,
"currency": "EUR",
"imageUrl": "https://images.bike24.com/media/510/i/mb/8b/66/13/rennstahl-853-pi-gravel-black-0-2047457.jpg",
"rawSpecifications": {
"Produktname": "Rennstahl 853 Pi Gravel - Pinion C1.12i - Gravel Bike - 2026",
"Hersteller": "Rennstahl Bikes",
"Artikelnummer": "RSB763341",
"Aktivität": "Radfahren",
"Geschlecht": "Herren",
"Material": "Stahl",
"Radsport Einsatzbereich": "City, Allroad / Gravel",
"Naben": "Tune KillHill / ClimbHill",
"Felgen": "Stan's NoTubes Crest",
"Kette": "Gates Riemen CDR",
"Kassette": "Gates",
"Schalthebel": "Pinion",
"Schaltwerk": "Pinion C1.12i",
"Innenlager": "Pinion",
"Kettenblatt Abstufung": "32",
"Kurbel": "Pinion",
"Bremsen": "TRP Highwire",
"Sattelstütze Modell": "Parapera Carbon",
"Sattel": "Selle Italia Model X Evo Plus",
"Lenkerband": "Selle Italia Smoo Tape Grand Fondo",
"Lenker": "Parapera VLE Carbon",
"Vorbau": "Parapera VLE Carbon",
"Gabel": "Parapera Adventure Gravel Carbon",
"Steuersatz": "Acros",
"Rahmen": "Rennstahl 853 Pi Gravel",
"Schaltsystem (Hersteller)": "Pinion",
"Abstufung Kassette": "28",
"Schaltungsart": "Getriebe",
"Fahrrad Besonderheiten": "Riemenantrieb",
"Art der Bremse": "Scheibenbremse",
"Laufradgröße": "28\" (622mm)",
"Sattelstütze": "Sattelstütze starr",
"Hinterbau": "Ungefedert",
"Reifen": "Schwalbe G-One Bite | 50-622",
"Maximale Reifenbreite": "50mm",
"max. Systemgewicht": "145kg",
"Bremsbetätigung": "Hydraulisch",
"Modelljahr": "2026",
"Farbe": "Schwarz",
"Gabel Bauart": "Starrgabel",
"Zugverlegung": "intern",
"Produktserie": "Rennstahl - 853",
"Schaltstufen": "12 x 1",
"Rahmenform": "Diamant",
"GTIN": "4252007819444, 4252007819451, 4252007819468, 4252007819475, 4252007819482, 4252007819499",
"Herstellerseite": "https://www.1bike4life.com/rennstahl"
},
"rawFeatures": [],
"rawSizes": [
{
"rawSize": "M",
"size": "M",
"sizeCm": null,
"inStock": true,
"stockCount": 1,
"price": null
},
{
"rawSize": "L",
"size": "L",
"sizeCm": null,
"inStock": true,
"stockCount": 1,
"price": null
},
{
"rawSize": "XL",
"size": "XL",
"sizeCm": null,
"inStock": true,
"stockCount": 1,
"price": null
},
{
"rawSize": "XXL",
"size": "XXL",
"sizeCm": null,
"inStock": true,
"stockCount": 1,
"price": null
}
],
"availabilityText": "https://schema.org/InStock",
"fetchedAt": "2026-09-19T05:20:48.969Z",
"sourceMeta": {
"skus": [
"4252007819444",
"4252007819451",
"4252007819468",
"4252007819475",
"4252007819482",
"4252007819499"
],
"startingPrice": false,
"discountInPercent": null,
"articleNumber": "RSB763341"
}
}