← Review table (mtb) · shopper page
bikeexchange:stevens-tonga-27-5--2022 · source URL · confidence 0.75 · GTIN 4045985033878
Cannot win: suspension type not stated, so it is in neither calibration unit
| retailer label | alpha | comparable cm | match | mapping | in stock | variant price | evidence |
|---|---|---|---|---|---|---|---|
| 16" | 40.6cm | — | 40.6 cm | exact scale | stated by the retailer | yes | €749 | 16" | 40.6cm |
A shopper asking for: 54 → nothing compatible · 56 → nothing compatible · 58 → nothing compatible · 60 → nothing compatible
Canonical configuration: Stevens | Tonga Diamant | Altus | 2022
Confidence: medium
| retailer | price | sizes in stock | |
|---|---|---|---|
| bikes.de | €749 | 18", 20" | debug |
| BikeExchange | €749 | 16" | 40.6cm | debug |
| field | source | evidence |
|---|---|---|
| brand | retailer:bikeexchange / parse | Stevens |
| model | retailer:bikeexchange / derived | Stevens Tonga 27.5" |
| modelYear | retailer:bikeexchange / parse | Jahr: 2022 |
| category | retailer:bikeexchange / derived | retailer taxonomy |
| frameMaterial | retailer:bikeexchange / parse | Carbon |
| electronicShifting | retailer:bikeexchange / derived | Di2 |
| speeds | retailer:bikeexchange / parse | model code M8100 |
| suspension | retailer:bikeexchange / derived | no fork or rear-shock row, on a route where neither is the default |
| fork | retailer:bikeexchange / parse | STEVENS Full Carbon SL |
| dropperPost | retailer:bikeexchange / derived | seatpost row "Scorpo Carbon Road" names no dropper, in a 26-field spec table |
| beltDrive | retailer:bikeexchange / parse | Shimano Ultegra Di2 |
| wheelSize | retailer:bikeexchange / parse | 27.5 |
| weightKg | retailer:bikeexchange / parse | Gewicht*: 8,2 kg |
| powerMeter | retailer:bikeexchange / derived | absent from a 26-field spec table |
| availability | retailer:bikeexchange / derived | sizes 1: 1 stocked, 0 gone, 0 unread |
| seller | retailer:bikeexchange / parse | 16" | 40.6cm: Fahrrad Gerth |
| wheelMaterial | ai / ai (0.7) | Laufrad vorne: DT Swiss C 1800 Spline |
| wheelTier | ai / ai (0.7) | DT Swiss C 1800 Spline |
info brake-actuation-unstated — The spec table says "Scheibenbremse" without saying whether the disc brake is hydraulic or mechanical. Recorded as unknown; the two are not interchangeable to a buyer.info single-size-only — Only one size is in stock (16" | 40.6cm).high groupset-unknown — Groupset could not be established.info mixed-groupset — Not a uniform groupset: {}. Ranked on the shifting level, with a penalty.{
"frameScore": 26,
"drivetrainScore": 0,
"wheelScore": 8,
"extrasScore": 0,
"suspensionScore": 0,
"weightAdjustment": 4,
"equipmentValue": 38,
"notes": [
"Groupset not identified: 0 drivetrain points.",
"Mixed groupset, but no crank or cassette below the family it is ranked as: no penalty.",
"Wheels \"good-aluminium\" = 8.",
"8.2 kg vs 14.4 kg mtb-hardtail reference = +4.",
"Fork series not stated: scored at the bottom of the fork ladder rather than assumed."
],
"marketPrice": null,
"valueScore": null,
"savingsVsMarket": null
}
{
"requested": [
"groupsetFamily",
"wheelMaterial",
"wheelTier",
"brakes"
],
"applied": [
"wheelMaterial",
"wheelTier"
],
"rejected": [],
"notes": "Source contains conflicting 'FEATURES' (Aluminium) vs 'Rahmen: Carbon SL Fiber'. Groupset components include both 'Shimano Alivio Shadow' and 'Shimano Ultegra Di2' (mixed groupset). Brake type given as 'Scheibenbremse' but document does not explicitly state hydraulic vs mechanical, so brakes left null. Wheelset named (DT Swiss C 1800 Spline) used to infer aluminium and tier.",
"raw": {
"frameMaterial": {
"value": "carbon",
"evidence": "Rahmen: Carbon SL Fiber",
"confidence": 0.9
},
"groupsetBrand": {
"value": "Shimano",
"evidence": "Schaltung: Shimano Alivio Shadow",
"confidence": 0.9
},
"groupsetFamily": {
"value": null,
"evidence": null,
"confidence": 0.3
},
"electronicShifting": {
"value": "true",
"evidence": "Schalt Bremsgriff: Shimano Ultegra Di2",
"confidence": 0.9
},
"speeds": {
"value": null,
"evidence": null,
"confidence": 0.2
},
"mixedGroupset": {
"value": "true",
"evidence": "Schaltung: Shimano Alivio Shadow\nKurbelgarnitur: FSA SL-K Light\nSchalt Bremsgriff: Shimano Ultegra Di2",
"confidence": 0.9
},
"wheelMaterial": {
"value": "aluminium",
"evidence": "Laufrad vorne: DT Swiss C 1800 Spline",
"confidence": 0.7
},
"wheelTier": {
"value": "good-aluminium",
"evidence": "DT Swiss C 1800 Spline",
"confidence": 0.7
},
"brakes": {
"value": null,
"evidence": null,
"confidence": 0.2
},
"weightKg": {
"value": "8.2",
"evidence": "Gewicht*: 8,2 kg",
"confidence": 0.95
},
"powerMeter": {
"value": null,
"evidence": null,
"confidence": 0.2
},
"notes": "Source contains conflicting 'FEATURES' (Aluminium) vs 'Rahmen: Carbon SL Fiber'. Groupset components include both 'Shimano Alivio Shadow' and 'Shimano Ultegra Di2' (mixed groupset). Brake type given as 'Scheibenbremse' but document does not explicitly state hydraulic vs mechanical, so brakes left null. Wheelset named (DT Swiss C 1800 Spline) used to infer aluminium and tier."
}
}
{
"id": "bikeexchange:stevens-tonga-27-5--2022",
"retailer": "bikeexchange",
"retailerProductId": "stevens-tonga-27-5--2022",
"productUrl": "https://www.bikeexchange.de/de-DE/products/stevens-tonga-27-5--2022?sku=STE_0000030666",
"brand": "Stevens",
"model": "Tonga 27.5\"",
"modelYear": 2022,
"category": "mtb",
"categoryBasis": "route",
"sourceCategory": "mtb",
"price": 749,
"originalPrice": null,
"currency": "EUR",
"discountPercent": null,
"frameMaterial": "carbon",
"frameModel": "Carbon SL Fiber",
"frameTier": null,
"groupsetBrand": null,
"groupsetFamily": null,
"groupsetGeneration": null,
"electronicShifting": true,
"speeds": 12,
"mixedGroupset": true,
"groupsetComponents": null,
"groupsetTierSpread": 0,
"crank": "FSA SL-K Light",
"cassette": "Shimano Ultegra",
"brakes": "unknown",
"brakePistons": null,
"brakeTier": "unknown",
"suspension": "unknown",
"fork": {
"make": null,
"line": null,
"tier": "unknown",
"travelMm": null
},
"rearShock": null,
"dropperPost": false,
"beltDrive": false,
"hubDynamo": null,
"rack": null,
"mudguards": null,
"chaincase": null,
"kickstand": null,
"lighting": null,
"wheelSize": "27.5",
"wheelset": "DT Swiss C 1800 Spline",
"wheelMaterial": "aluminium",
"wheelTier": "good-aluminium",
"tyres": "Schwalbe X-One Allround Evolution",
"weightKg": 8.2,
"powerMeter": false,
"powerMeterKind": null,
"availableSizes": [
{
"rawSize": "16\" | 40.6cm",
"size": null,
"sizeCm": null,
"inStock": true,
"stockCount": null,
"price": 749,
"seller": "Fahrrad Gerth",
"deliveryNote": "Reguläre Lieferzeit 7 Tage"
}
],
"seller": "Fahrrad Gerth",
"availability": "limited",
"gtins": [
"4045985033878"
],
"imageUrl": "https://images.cdn.europe-west1.gcp.commercetools.com/078b97e9-ed31-4c81-baae-cdd44f3bf3c1/bd249e9115e07b2369f4-mnDc8Nch.jpg",
"rawTitle": "Stevens Tonga 27.5\"",
"fetchedAt": "2026-09-19T05:38:10.264Z",
"normalizationConfidence": 0.75,
"warnings": [
{
"code": "brake-actuation-unstated",
"message": "The spec table says \"Scheibenbremse\" without saying whether the disc brake is hydraulic or mechanical. Recorded as unknown; the two are not interchangeable to a buyer.",
"severity": "info"
},
{
"code": "single-size-only",
"message": "Only one size is in stock (16\" | 40.6cm).",
"severity": "info"
},
{
"code": "groupset-unknown",
"message": "Groupset could not be established.",
"severity": "high"
},
{
"code": "mixed-groupset",
"message": "Not a uniform groupset: {}. Ranked on the shifting level, with a penalty.",
"severity": "info"
}
]
}
{
"Gewicht*": "8,2 kg",
"Rahmen": "Carbon SL Fiber",
"Zulässiges Gesamtgewicht": "115 kg",
"Bremsscheibe vorne": "SM-RT30",
"Bremse vorne": "Shimano Ultegra",
"Bremsscheiben": "RT-MT800",
"Bremsscheibe hinten": "SM-RT30",
"Art der Bremse": "Scheibenbremse",
"Bremse hinten": "Shimano Ultegra",
"Reifen": "Schwalbe X-One Allround Evolution",
"Laufrad vorne": "DT Swiss C 1800 Spline",
"Laufrad hinten": "DT Swiss C 1800 Spline",
"Vorbau": "FSA SMR",
"Steuersatz": "FSA No.55R 1.5\"",
"Lenker": "Oxygen Scorpo Aero",
"Umwerfer vorne": "Shimano Ultegra Di2",
"Kassette": "Shimano Ultegra",
"Schaltung": "Shimano Alivio Shadow",
"Kurbelgarnitur": "FSA SL-K Light",
"Schalt Bremsgriff": "Shimano Ultegra Di2",
"Kette / Riemen": "Shimnao CN-M8100",
"Sattel": "Oxygen Triton",
"Sattelstütze": "Scorpo Carbon Road",
"Gabel Bauart": "Federgabel",
"Gabel": "STEVENS Full Carbon SL",
"Jahr": "2022"
}
{
"retailer": "bikeexchange",
"retailerProductId": "stevens-tonga-27-5--2022",
"productUrl": "https://www.bikeexchange.de/de-DE/products/stevens-tonga-27-5--2022?sku=STE_0000030666",
"extractionMethod": "embedded-json",
"sourceCategory": "mtb",
"rawTitle": "Stevens Tonga 27.5\"",
"rawBrand": "Stevens",
"price": 749,
"originalPrice": null,
"currency": "EUR",
"imageUrl": "https://images.cdn.europe-west1.gcp.commercetools.com/078b97e9-ed31-4c81-baae-cdd44f3bf3c1/bd249e9115e07b2369f4-mnDc8Nch.jpg",
"rawSpecifications": {
"Gewicht*": "8,2 kg",
"Rahmen": "Carbon SL Fiber",
"Zulässiges Gesamtgewicht": "115 kg",
"Bremsscheibe vorne": "SM-RT30",
"Bremse vorne": "Shimano Ultegra",
"Bremsscheiben": "RT-MT800",
"Bremsscheibe hinten": "SM-RT30",
"Art der Bremse": "Scheibenbremse",
"Bremse hinten": "Shimano Ultegra",
"Reifen": "Schwalbe X-One Allround Evolution",
"Laufrad vorne": "DT Swiss C 1800 Spline",
"Laufrad hinten": "DT Swiss C 1800 Spline",
"Vorbau": "FSA SMR",
"Steuersatz": "FSA No.55R 1.5\"",
"Lenker": "Oxygen Scorpo Aero",
"Umwerfer vorne": "Shimano Ultegra Di2",
"Kassette": "Shimano Ultegra",
"Schaltung": "Shimano Alivio Shadow",
"Kurbelgarnitur": "FSA SL-K Light",
"Schalt Bremsgriff": "Shimano Ultegra Di2",
"Kette / Riemen": "Shimnao CN-M8100",
"Sattel": "Oxygen Triton",
"Sattelstütze": "Scorpo Carbon Road",
"Gabel Bauart": "Federgabel",
"Gabel": "STEVENS Full Carbon SL",
"Jahr": "2022"
},
"rawFeatures": [
"Aluminium",
"Shimano Alivio Shadow",
"27.5\"",
"Beschreibung"
],
"rawSizes": [
{
"rawSize": "16\" | 40.6cm",
"size": null,
"sizeCm": null,
"inStock": true,
"stockCount": null,
"price": 749,
"seller": "Fahrrad Gerth",
"deliveryNote": "Reguläre Lieferzeit 7 Tage"
}
],
"availabilityText": "sizes 1: 1 stocked, 0 gone, 0 unread",
"fetchedAt": "2026-09-19T05:38:10.264Z",
"sourceMeta": {
"skus": [
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],
"shopSkus": [
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],
"seller": "Fahrrad Gerth",
"sellerOfSize": "16\" | 40.6cm",
"sellerId": "a2c2c8e9-484b-4041-83e9-08d11dd818f4",
"storeKey": "store_01KBX7S6PKN2HJNFXKPCK12T04_eur",
"storeCity": "Schmölln",
"storeCountry": "DE",
"storeDelivers": null,
"storeClickAndCollect": null,
"storeReservation": true,
"storeDeliveryTime": "P7D",
"shippingPrice": 0,
"hasMoreSellers": false,
"condition": "NEW",
"ctProductId": "84a13c00-7cb1-4108-af4e-a558142e71f5",
"shopCategory": "Hardtail",
"colourCount": 1,
"fetchedSku": "STE_0000030666"
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}