Stevens E-8X Tour Plus Forma Forma elemental blue

bikes-de:stevens-e-8x-tour-plus-forma-2026 · source URL · confidence 0.83 · GTIN 4045985055382, 4045985055399, 4045985055405

Eligibility

Cannot win: e-bike bikes are not value-ranked yet (no e-bike-specific equipment model)

Size decisions

retailer label	alpha	comparable cm	match	mapping	in stock	variant price	evidence
46 cm \| (28")	—	46 cm	exact scale	stated by the retailer	yes	€3.599	46 cm \| (28")
52 cm \| (28")	—	52 cm	exact scale	stated by the retailer	no	listing price	52 cm \| (28")
56 cm \| (28")	—	56 cm	exact scale	stated by the retailer	no	listing price	56 cm \| (28")

retailer label

alpha

comparable cm

match

mapping

in stock

variant price

evidence

46 cm | (28")

—

46 cm

exact scale

stated by the retailer

yes

€3.599

46 cm | (28")

52 cm | (28")

—

52 cm

exact scale

stated by the retailer

listing price

52 cm | (28")

56 cm | (28")

—

56 cm

exact scale

stated by the retailer

listing price

56 cm | (28")

A shopper asking for: 54 → nothing compatible · 56 → 56 cm | (28") fits but sold out · 58 → nothing compatible · 60 → nothing compatible

Identity

Canonical configuration: Stevens | E-8X Tour Plus Forma Forma elemental | CUES | 2026
Confidence: medium

brand exact (Stevens)
model normalized to "e 8x tour plus forma forma elemental"
groupset family exact (CUES)
GTIN match (4045985055382)
listings state different model years (2024, 2026); the shared manufacturer barcode says they are one SKU and is trusted over the year fields
2 listings across 2 retailers
downgraded to medium: listings disagree on speeds: 11 vs 10
conflict: speeds: 11 vs 10

retailer	price	sizes in stock
BikeExchange	€3.499	46cm, 52cm, 56cm	debug
bikes.de	€3.599	46 cm \| (28")	debug

retailer

price

sizes in stock

BikeExchange

€3.499

46cm, 52cm, 56cm

debug

bikes.de

€3.599

46 cm | (28")

debug

Provenance — why we believe each fact

field source evidence

brand retailer:bikes-de / parse Stevens

model retailer:bikes-de / derived Stevens E-8X Tour Plus Forma Forma elemental blue

modelYear retailer:bikes-de / parse Jahr: 2026

category retailer:bikes-de / derived retailer taxonomy

frameMaterial retailer:bikes-de / parse Aluminium

groupsetFamily retailer:bikes-de / dictionary SHIMANO CUES U8000 SL-U8000-11IR || SHIMANO Deore XT Shadow+ RD-M8130-SGS, 11fach

electronicShifting retailer:bikes-de / derived SHIMANO CUES U8000 SL-U8000-11IR || SHIMANO Deore XT Shadow+ RD-M8130-SGS, 11fach

speeds retailer:bikes-de / parse 11fach

brakes retailer:bikes-de / parse Hydraulische Scheibenbremse

suspension retailer:bikes-de / derived suspension fork "SR Suntour Mobie34-Air" and no rear shock in a 47-field spec table

fork retailer:bikes-de / parse SR Suntour Mobie34-Air

dropperPost retailer:bikes-de / derived seatpost row "Oxygen E-Scorpo" names no dropper, in a 47-field spec table

rack retailer:bikes-de / parse Racktime Shine Evo RTA Gepäckträger

mudguards retailer:bikes-de / parse SKS Schutzbleche

kickstand retailer:bikes-de / parse STEVENS Edge

lighting retailer:bikes-de / parse Supernova Mini 3 Pro

wheelSize retailer:bikes-de / parse 28

powerMeter retailer:bikes-de / derived absent from a 47-field spec table

availability retailer:bikes-de / derived 1 of 3 frame sizes offered for shipping by a bikes.de dealer

ebike.motor retailer:bikes-de / parse Bosch G4 Performance Line CX

ebike.battery.capacityWh retailer:bikes-de / parse Akku-Kapazität (Wh): 725

ebike.battery.integration retailer:bikes-de / parse PowerPack

ebike.speedClass retailer:bikes-de / parse Motor-Unterstützung: bis 25 km/h

ebike.eDiscipline retailer:bikes-de / parse shelf: E-Trekkingbikes

ebike.display retailer:bikes-de / parse Display: Bosch Kiox 300

ebike.maxSystemWeightKg retailer:bikes-de / parse Zulässiges Gesamtgewicht: 180

weightKg ai / ai (1) Gewicht: 26.7

field	source	evidence
brand	`retailer:bikes-de` / parse	Stevens
model	`retailer:bikes-de` / derived	Stevens E-8X Tour Plus Forma Forma elemental blue
modelYear	`retailer:bikes-de` / parse	Jahr: 2026
category	`retailer:bikes-de` / derived	retailer taxonomy
frameMaterial	`retailer:bikes-de` / parse	Aluminium
groupsetFamily	`retailer:bikes-de` / dictionary	SHIMANO CUES U8000 SL-U8000-11IR \|\| SHIMANO Deore XT Shadow+ RD-M8130-SGS, 11fach
electronicShifting	`retailer:bikes-de` / derived	SHIMANO CUES U8000 SL-U8000-11IR \|\| SHIMANO Deore XT Shadow+ RD-M8130-SGS, 11fach
speeds	`retailer:bikes-de` / parse	11fach
brakes	`retailer:bikes-de` / parse	Hydraulische Scheibenbremse
suspension	`retailer:bikes-de` / derived	suspension fork "SR Suntour Mobie34-Air" and no rear shock in a 47-field spec table
fork	`retailer:bikes-de` / parse	SR Suntour Mobie34-Air
dropperPost	`retailer:bikes-de` / derived	seatpost row "Oxygen E-Scorpo" names no dropper, in a 47-field spec table
rack	`retailer:bikes-de` / parse	Racktime Shine Evo RTA Gepäckträger
mudguards	`retailer:bikes-de` / parse	SKS Schutzbleche
kickstand	`retailer:bikes-de` / parse	STEVENS Edge
lighting	`retailer:bikes-de` / parse	Supernova Mini 3 Pro
wheelSize	`retailer:bikes-de` / parse	28
powerMeter	`retailer:bikes-de` / derived	absent from a 47-field spec table
availability	`retailer:bikes-de` / derived	1 of 3 frame sizes offered for shipping by a bikes.de dealer
ebike.motor	`retailer:bikes-de` / parse	Bosch G4 Performance Line CX
ebike.battery.capacityWh	`retailer:bikes-de` / parse	Akku-Kapazität (Wh): 725
ebike.battery.integration	`retailer:bikes-de` / parse	PowerPack
ebike.speedClass	`retailer:bikes-de` / parse	Motor-Unterstützung: bis 25 km/h
ebike.eDiscipline	`retailer:bikes-de` / parse	shelf: E-Trekkingbikes
ebike.display	`retailer:bikes-de` / parse	Display: Bosch Kiox 300
ebike.maxSystemWeightKg	`retailer:bikes-de` / parse	Zulässiges Gesamtgewicht: 180
weightKg	`ai` / ai (1)	Gewicht: 26.7

Warnings

info single-size-only — Only one size is in stock (46 cm | (28")).
info wheel-material-unknown — Wheel material could not be established.
info mixed-groupset — Not a uniform groupset: {"shifters":"CUES","rearDerailleur":"XT","cassette":"CUES"}. Ranked on the shifting level, with a penalty.

Score breakdown

{
  "frameScore": 11,
  "drivetrainScore": 9,
  "wheelScore": 5,
  "extrasScore": 0,
  "suspensionScore": 0,
  "weightAdjustment": -3,
  "equipmentValue": 22,
  "notes": [
    "Shimano CUES = 11.",
    "Mixed groupset, but no crank or cassette below the family it is ranked as: no penalty.",
    "11-speed -2.",
    "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 mtb-hardtail.",
    "26.7 kg vs 14.4 kg mtb-hardtail reference = -3.",
    "Fork series not stated: scored at the bottom of the fork ladder rather than assumed."
  ],
  "marketPrice": null,
  "valueScore": null,
  "savingsVsMarket": null
}

AI normalization

{
  "requested": [
    "wheelMaterial",
    "wheelTier",
    "weightKg"
  ],
  "applied": [
    "weightKg"
  ],
  "rejected": [],
  "notes": "The drivetrain is mixed: the rear derailleur is Shimano Deore XT, while the shifter and brakes are Shimano CUES; therefore no single groupset family is assigned. The source names Oxygen RM-T25 Disc rims but does not establish their material or a defensible wheel tier.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Rahmenmaterial lt. Hersteller: Aluminium",
      "confidence": 1
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Schaltwerk: SHIMANO Deore XT Shadow+ RD-M8130-SGS, 11fach",
      "confidence": 1
    },
    "groupsetFamily": {
      "value": null,
      "evidence": null,
      "confidence": 0.98
    },
    "electronicShifting": {
      "value": "false",
      "evidence": "Schaltungstyp: Kettenschaltung",
      "confidence": 0.95
    },
    "speeds": {
      "value": "11",
      "evidence": "Anzahl Gänge: 11",
      "confidence": 1
    },
    "mixedGroupset": {
      "value": "true",
      "evidence": "Schaltwerk: SHIMANO Deore XT Shadow+ RD-M8130-SGS, 11fach, 11fach\nSchalthebel: SHIMANO CUES U8000 SL-U8000-11IR",
      "confidence": 1
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 0.99
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "brakes": {
      "value": "hydraulic-disc",
      "evidence": "Bremsen: Hydraulische Scheibenbremse",
      "confidence": 1
    },
    "weightKg": {
      "value": "26.7",
      "evidence": "Gewicht: 26.7",
      "confidence": 1
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "notes": "The drivetrain is mixed: the rear derailleur is Shimano Deore XT, while the shifter and brakes are Shimano CUES; therefore no single groupset family is assigned. The source names Oxygen RM-T25 Disc rims but does not establish their material or a defensible wheel tier."
  }
}

Normalized record

{
  "id": "bikes-de:stevens-e-8x-tour-plus-forma-2026",
  "retailer": "bikes-de",
  "retailerProductId": "stevens-e-8x-tour-plus-forma-2026",
  "productUrl": "https://www.bikes.de/shop/e-bikes/marke.stevens/stevens-e-8x-tour-plus-forma-2026/",
  "brand": "Stevens",
  "model": "E-8X Tour Plus Forma Forma elemental blue",
  "modelYear": 2026,
  "category": "e-bike",
  "categoryBasis": "route",
  "sourceCategory": "e-bike",
  "price": 3599,
  "originalPrice": null,
  "currency": "EUR",
  "discountPercent": null,
  "frameMaterial": "aluminium",
  "frameModel": null,
  "frameTier": null,
  "groupsetBrand": "Shimano",
  "groupsetFamily": "CUES",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": 11,
  "mixedGroupset": true,
  "groupsetComponents": {
    "shifters": "CUES",
    "rearDerailleur": "XT",
    "cassette": "CUES"
  },
  "groupsetTierSpread": 0,
  "crank": "Oxygen E-Scorpo",
  "cassette": "SHIMANO CS-LG400-11, 11fach",
  "brakes": "hydraulic-disc",
  "brakePistons": null,
  "brakeTier": "unknown",
  "suspension": "front",
  "fork": {
    "make": "SR Suntour",
    "line": null,
    "tier": "unknown",
    "travelMm": 80
  },
  "rearShock": null,
  "dropperPost": false,
  "beltDrive": null,
  "hubDynamo": null,
  "rack": true,
  "mudguards": true,
  "chaincase": null,
  "kickstand": true,
  "lighting": true,
  "wheelSize": "28",
  "wheelset": "VR: Oxygen RM-T25 Disc, 25 x 622, HR: Oxygen RM-T25 Disc, 25 x 622 | Strummer G15-3 | Strummer M42-3",
  "wheelMaterial": "unknown",
  "wheelTier": "unknown",
  "tyres": "VR: Continental Double Fighter III, 50-622, HR: Continental Double Fighter III, 50-622",
  "weightKg": 26.7,
  "ebike": {
    "motor": {
      "text": "Bosch G4 Performance Line CX",
      "brand": "bosch",
      "model": null,
      "position": "unknown",
      "torqueNm": null,
      "torqueSource": null,
      "ratedPowerW": null,
      "peakPowerW": null
    },
    "battery": {
      "text": "Bosch PowerPack 725 | 725",
      "capacityWh": 725,
      "count": 1,
      "integration": "external",
      "removable": null
    },
    "speedClass": "pedelec-25",
    "rangeExtender": "unknown",
    "display": "Bosch Kiox 300",
    "abs": null,
    "autoShift": null,
    "statedRangeKm": null,
    "eDiscipline": "e-trekking",
    "eDisciplineBasis": "leaf",
    "frameShape": "unknown",
    "cargoType": "unknown",
    "maxSystemWeightKg": 180,
    "rackCapacityKg": null,
    "weightIncludesBattery": null
  },
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "46 cm | (28\")",
      "size": "46",
      "sizeCm": 46,
      "inStock": true,
      "stockCount": null,
      "price": 3599
    },
    {
      "rawSize": "52 cm | (28\")",
      "size": "52",
      "sizeCm": 52,
      "inStock": false,
      "stockCount": null,
      "price": null
    },
    {
      "rawSize": "56 cm | (28\")",
      "size": "56",
      "sizeCm": 56,
      "inStock": false,
      "stockCount": null,
      "price": null
    }
  ],
  "seller": null,
  "availability": "limited",
  "gtins": [
    "4045985055382",
    "4045985055399",
    "4045985055405"
  ],
  "imageUrl": "https://bikes-opt.b-cdn.net/stevens/2026/1295308_01.jpg",
  "rawTitle": "Stevens E-8X Tour Plus Forma Forma elemental blue",
  "fetchedAt": "2026-09-26T07:06:52.842Z",
  "normalizationConfidence": 0.83,
  "warnings": [
    {
      "code": "single-size-only",
      "message": "Only one size is in stock (46 cm | (28\")).",
      "severity": "info"
    },
    {
      "code": "wheel-material-unknown",
      "message": "Wheel material could not be established.",
      "severity": "info"
    },
    {
      "code": "mixed-groupset",
      "message": "Not a uniform groupset: {\"shifters\":\"CUES\",\"rearDerailleur\":\"XT\",\"cassette\":\"CUES\"}. Ranked on the shifting level, with a penalty.",
      "severity": "info"
    }
  ],
  "ebikeAi": {
    "requested": [
      "motorModel",
      "frameShape"
    ],
    "applied": [],
    "rejected": [],
    "notes": "Motor model cannot be mapped deterministically to an allowed exact unit. The source states “Rahmenform lt. Hersteller: Forma”, but does not establish one of the specified frame-shape categories.",
    "raw": {
      "motorBrand": {
        "value": "bosch",
        "evidence": "Motor: Bosch G4 Performance Line CX",
        "confidence": 1
      },
      "motorModel": {
        "value": null,
        "evidence": null,
        "confidence": 1
      },
      "batteryWh": {
        "value": "725",
        "evidence": "Akku-Kapazität (Wh): 725",
        "confidence": 1
      },
      "speedClass": {
        "value": "pedelec-25",
        "evidence": "Motor-Unterstützung: bis 25 km/h",
        "confidence": 1
      },
      "batteryIntegration": {
        "value": null,
        "evidence": null,
        "confidence": 1
      },
      "frameShape": {
        "value": null,
        "evidence": null,
        "confidence": 1
      },
      "notes": "Motor model cannot be mapped deterministically to an allowed exact unit. The source states “Rahmenform lt. Hersteller: Forma”, but does not establish one of the specified frame-shape categories."
    }
  }
}

Parsed specification table

{
  "Akku": "Bosch PowerPack 725",
  "Akku-Kapazität (Wh)": "725",
  "Motor": "Bosch G4 Performance Line CX",
  "Motor-Unterstützung": "bis 25 km/h",
  "Display": "Bosch Kiox 300",
  "Rahmenmaterial lt. Hersteller": "Aluminium",
  "Gabel": "SR Suntour Mobie34-Air",
  "Gabel Federweg (mm)": "80",
  "Schaltungstyp": "Kettenschaltung",
  "Anzahl Gänge": "11",
  "Schaltwerk": "SHIMANO Deore XT Shadow+ RD-M8130-SGS, 11fach",
  "Schalthebel": "SHIMANO CUES U8000 SL-U8000-11IR",
  "Zahnkranz": "SHIMANO CS-LG400-11, 11fach",
  "Bremsen": "Hydraulische Scheibenbremse",
  "Bremse": "VR: SHIMANO CUES U8000 BR-U8020, HR: SHIMANO CUES U8000 BR-U8000",
  "Bremshebel": "Shimano CUES U8000",
  "Bremsscheiben": "VR: SHIMANO RT-MT800, 180 mm, HR: SHIMANO RT-MT800, 180 mm",
  "Laufradgröße": "28 Zoll",
  "Reifen": "VR: Continental Double Fighter III, 50-622, HR: Continental Double Fighter III, 50-622",
  "Vorderrad-Nabe": "Strummer G15-3",
  "Hinterrad-Nabe": "Strummer M42-3",
  "Felgen": "VR: Oxygen RM-T25 Disc, 25 x 622, HR: Oxygen RM-T25 Disc, 25 x 622",
  "Kurbelsatz": "Oxygen E-Scorpo",
  "Pedale": "ATB Alu Pro Reflex",
  "Innenlager": "Bosch",
  "Lenker": "Oxygen E-Scorpo 700 mm",
  "Vorbau": "Oxygen E-Scorpo",
  "Steuersatz": "Acros Blocklock Taper 1 1/8\"-1,8\"",
  "Sattel": "Selle Royal ON Female",
  "Sattelstütze": "Oxygen E-Scorpo",
  "Straßenzulassung": "Ja",
  "Frontleuchte": "Supernova Mini 3 Pro",
  "Rückleuchte": "B+M Shine Evo",
  "Gepäckträger": "Racktime Shine Evo RTA Gepäckträger",
  "Schutzbleche": "SKS Schutzbleche",
  "Ständer": "STEVENS Edge",
  "Marke": "Stevens",
  "EAN": "4045985055382",
  "Hersteller Artikelnummer": "824054541",
  "Modellserie Bezeichnung": "E-8X Tour Plus Forma",
  "Rahmenform lt. Hersteller": "Forma",
  "Markenfarbe": "elemental blue",
  "Rahmenhöhe": "46 cm | (28\")",
  "Jahr": "2026",
  "Zielgruppe": "Damen",
  "Gewicht": "26.7",
  "Zulässiges Gesamtgewicht": "180"
}

Raw adapter output

{
  "retailer": "bikes-de",
  "retailerProductId": "stevens-e-8x-tour-plus-forma-2026",
  "productUrl": "https://www.bikes.de/shop/e-bikes/marke.stevens/stevens-e-8x-tour-plus-forma-2026/",
  "extractionMethod": "server-html",
  "sourceCategory": "e-bike",
  "rawTitle": "Stevens E-8X Tour Plus Forma Forma elemental blue",
  "rawBrand": "Stevens",
  "price": 3599,
  "originalPrice": null,
  "currency": "EUR",
  "imageUrl": "https://bikes-opt.b-cdn.net/stevens/2026/1295308_01.jpg",
  "rawSpecifications": {
    "Akku": "Bosch PowerPack 725",
    "Akku-Kapazität (Wh)": "725",
    "Motor": "Bosch G4 Performance Line CX",
    "Motor-Unterstützung": "bis 25 km/h",
    "Display": "Bosch Kiox 300",
    "Rahmenmaterial lt. Hersteller": "Aluminium",
    "Gabel": "SR Suntour Mobie34-Air",
    "Gabel Federweg (mm)": "80",
    "Schaltungstyp": "Kettenschaltung",
    "Anzahl Gänge": "11",
    "Schaltwerk": "SHIMANO Deore XT Shadow+ RD-M8130-SGS, 11fach",
    "Schalthebel": "SHIMANO CUES U8000 SL-U8000-11IR",
    "Zahnkranz": "SHIMANO CS-LG400-11, 11fach",
    "Bremsen": "Hydraulische Scheibenbremse",
    "Bremse": "VR: SHIMANO CUES U8000 BR-U8020, HR: SHIMANO CUES U8000 BR-U8000",
    "Bremshebel": "Shimano CUES U8000",
    "Bremsscheiben": "VR: SHIMANO RT-MT800, 180 mm, HR: SHIMANO RT-MT800, 180 mm",
    "Laufradgröße": "28 Zoll",
    "Reifen": "VR: Continental Double Fighter III, 50-622, HR: Continental Double Fighter III, 50-622",
    "Vorderrad-Nabe": "Strummer G15-3",
    "Hinterrad-Nabe": "Strummer M42-3",
    "Felgen": "VR: Oxygen RM-T25 Disc, 25 x 622, HR: Oxygen RM-T25 Disc, 25 x 622",
    "Kurbelsatz": "Oxygen E-Scorpo",
    "Pedale": "ATB Alu Pro Reflex",
    "Innenlager": "Bosch",
    "Lenker": "Oxygen E-Scorpo 700 mm",
    "Vorbau": "Oxygen E-Scorpo",
    "Steuersatz": "Acros Blocklock Taper 1 1/8\"-1,8\"",
    "Sattel": "Selle Royal ON Female",
    "Sattelstütze": "Oxygen E-Scorpo",
    "Straßenzulassung": "Ja",
    "Frontleuchte": "Supernova Mini 3 Pro",
    "Rückleuchte": "B+M Shine Evo",
    "Gepäckträger": "Racktime Shine Evo RTA Gepäckträger",
    "Schutzbleche": "SKS Schutzbleche",
    "Ständer": "STEVENS Edge",
    "Marke": "Stevens",
    "EAN": "4045985055382",
    "Hersteller Artikelnummer": "824054541",
    "Modellserie Bezeichnung": "E-8X Tour Plus Forma",
    "Rahmenform lt. Hersteller": "Forma",
    "Markenfarbe": "elemental blue",
    "Rahmenhöhe": "46 cm | (28\")",
    "Jahr": "2026",
    "Zielgruppe": "Damen",
    "Gewicht": "26.7",
    "Zulässiges Gesamtgewicht": "180"
  },
  "rawFeatures": [],
  "rawSizes": [
    {
      "rawSize": "46 cm | (28\")",
      "size": "46",
      "sizeCm": 46,
      "inStock": true,
      "stockCount": null,
      "price": 3599
    },
    {
      "rawSize": "52 cm | (28\")",
      "size": "52",
      "sizeCm": 52,
      "inStock": false,
      "stockCount": null,
      "price": null
    },
    {
      "rawSize": "56 cm | (28\")",
      "size": "56",
      "sizeCm": 56,
      "inStock": false,
      "stockCount": null,
      "price": null
    }
  ],
  "availabilityText": "1 of 3 frame sizes offered for shipping by a bikes.de dealer",
  "fetchedAt": "2026-09-26T07:06:52.842Z",
  "sourceMeta": {
    "dealers": [
      "Zweirad Lämmle GmbH & Co. KG"
    ],
    "listingRows": 1,
    "articleNumbers": [
      "1295308"
    ],
    "skus": [
      "4045985055399",
      "4045985055405"
    ],
    "leafCategory": "E-Trekkingbikes"
  },
  "listingPath": [
    "E-Bikes",
    "E-Trekking",
    "E-Trekkingbikes"
  ]
}

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