Stevens E-Courier 7.8.1 Plus Forma Forma dark indigo

bikes-de:stevens-e-courier-7-8-1-plus-forma-2026 · source URL · confidence 0.58 · GTIN 4045985061628, 4045985061635, 4045985061642, 4045985061659

Eligibility

Cannot win: confidence 0.58 below 0.75; 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	no	listing price	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	yes	€5.399	56 cm \| (28")
60 cm \| (28")	—	60 cm	exact scale	stated by the retailer	no	listing price	60 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

listing price

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

yes

€5.399

56 cm | (28")

60 cm | (28")

—

60 cm

exact scale

stated by the retailer

listing price

60 cm | (28")

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

Identity

Canonical configuration: Stevens | E-Courier 7.8.1 Plus Forma Forma dark indigo | 2026
Confidence: medium

brand exact (Stevens)
model normalized to "e courier 7.8.1 plus forma forma dark indigo"
groupset family unidentified on every listing
model year exact (2026)
GTIN match (4045985061628)
2 listings across 2 retailers
downgraded to medium: listings disagree on suspension: front vs none
conflict: suspension: front vs none

retailer	price	sizes in stock
BikeExchange	€5.299	46cm, 52cm, 56cm, 60cm	debug
bikes.de	€5.399	56 cm \| (28")	debug

retailer

price

sizes in stock

BikeExchange

€5.299

46cm, 52cm, 56cm, 60cm

debug

bikes.de

€5.399

56 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-Courier 7.8.1 Plus Forma Forma dark indigo

modelYear retailer:bikes-de / parse Jahr: 2026

category retailer:bikes-de / derived retailer taxonomy

frameMaterial retailer:bikes-de / parse Aluminium

brakes retailer:bikes-de / parse Hydraulische Scheibenbremse

suspension retailer:bikes-de / derived suspension fork "SR Suntour Mobie34-Boost 2CR" and no rear shock in a 47-field spec table

fork retailer:bikes-de / parse SR Suntour Mobie34-Boost 2CR

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

beltDrive retailer:bikes-de / parse Gates CDX Center Track Carbon Drive Belt | FSA CK-747/IS

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

mudguards retailer:bikes-de / parse Curana Apollo 60

kickstand retailer:bikes-de / parse STEVENS Edge

lighting retailer:bikes-de / parse B+M Briq-S Premium E T Senso+

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 4 frame sizes offered for shipping by a bikes.de dealer

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

ebike.motor.position deterministic / dictionary bosch-performance-line-px-bdu347y: https://www.bosch-ebike.com/en/products/performance-line-px

ebike.motor.torqueNm deterministic / dictionary bosch-performance-line-px-bdu347y 85 Nm: https://www.bosch-ebike.com/en/products/performance-line-px

ebike.battery.capacityWh retailer:bikes-de / parse Akku-Kapazität (Wh): 800

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

field	source	evidence
brand	`retailer:bikes-de` / parse	Stevens
model	`retailer:bikes-de` / derived	Stevens E-Courier 7.8.1 Plus Forma Forma dark indigo
modelYear	`retailer:bikes-de` / parse	Jahr: 2026
category	`retailer:bikes-de` / derived	retailer taxonomy
frameMaterial	`retailer:bikes-de` / parse	Aluminium
brakes	`retailer:bikes-de` / parse	Hydraulische Scheibenbremse
suspension	`retailer:bikes-de` / derived	suspension fork "SR Suntour Mobie34-Boost 2CR" and no rear shock in a 47-field spec table
fork	`retailer:bikes-de` / parse	SR Suntour Mobie34-Boost 2CR
dropperPost	`retailer:bikes-de` / derived	seatpost row "Scorpo DPR-S" names no dropper, in a 47-field spec table
beltDrive	`retailer:bikes-de` / parse	Gates CDX Center Track Carbon Drive Belt \| FSA CK-747/IS
rack	`retailer:bikes-de` / parse	Racktime Shine Evo RTA Gepäckträger
mudguards	`retailer:bikes-de` / parse	Curana Apollo 60
kickstand	`retailer:bikes-de` / parse	STEVENS Edge
lighting	`retailer:bikes-de` / parse	B+M Briq-S Premium E T Senso+
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 4 frame sizes offered for shipping by a bikes.de dealer
ebike.motor	`retailer:bikes-de` / parse	Bosch Performance Line PX
ebike.motor.position	`deterministic` / dictionary	bosch-performance-line-px-bdu347y: https://www.bosch-ebike.com/en/products/performance-line-px
ebike.motor.torqueNm	`deterministic` / dictionary	bosch-performance-line-px-bdu347y 85 Nm: https://www.bosch-ebike.com/en/products/performance-line-px
ebike.battery.capacityWh	`retailer:bikes-de` / parse	Akku-Kapazität (Wh): 800
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

Warnings

info single-size-only — Only one size is in stock (56 cm | (28")).
high groupset-unknown — Groupset could not be established.
info wheel-material-unknown — Wheel material could not be established.

Score breakdown

{
  "frameScore": 11,
  "drivetrainScore": 0,
  "wheelScore": 5,
  "extrasScore": 0,
  "suspensionScore": 0,
  "weightAdjustment": 0,
  "equipmentValue": 16,
  "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 mtb-hardtail.",
    "Weight not published: no weight adjustment either way.",
    "Fork series not stated: scored at the bottom of the fork ladder rather than assumed."
  ],
  "marketPrice": null,
  "valueScore": null,
  "savingsVsMarket": null
}

AI normalization

{
  "requested": [
    "groupsetFamily",
    "wheelMaterial",
    "wheelTier",
    "weightKg"
  ],
  "applied": [],
  "rejected": [],
  "notes": "The drivetrain is identified as Enviolo Trekking CVP, which is not in the permitted groupset vocabulary. The source lists \"Zahnkranz: Gates CDX Center Track-Ritzel, 22 Z.\", but this does not establish the number of rear sprockets. Wheel rims are named as Oxygen RM-T25 Disc, but the source does not establish their material or a defensible tier. \"Gewicht: 31\" does not specify kilograms, so weightKg cannot be established.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Rahmenmaterial lt. Hersteller: Aluminium",
      "confidence": 1
    },
    "groupsetBrand": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "groupsetFamily": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "electronicShifting": {
      "value": null,
      "evidence": null,
      "confidence": 0.95
    },
    "speeds": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "mixedGroupset": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "brakes": {
      "value": "hydraulic-disc",
      "evidence": "Bremsen: Hydraulische Scheibenbremse",
      "confidence": 1
    },
    "weightKg": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "notes": "The drivetrain is identified as Enviolo Trekking CVP, which is not in the permitted groupset vocabulary. The source lists \"Zahnkranz: Gates CDX Center Track-Ritzel, 22 Z.\", but this does not establish the number of rear sprockets. Wheel rims are named as Oxygen RM-T25 Disc, but the source does not establish their material or a defensible tier. \"Gewicht: 31\" does not specify kilograms, so weightKg cannot be established."
  }
}

Normalized record

{
  "id": "bikes-de:stevens-e-courier-7-8-1-plus-forma-2026",
  "retailer": "bikes-de",
  "retailerProductId": "stevens-e-courier-7-8-1-plus-forma-2026",
  "productUrl": "https://www.bikes.de/shop/e-bikes/marke.stevens/stevens-e-courier-7-8-1-plus-forma-2026/",
  "brand": "Stevens",
  "model": "E-Courier 7.8.1 Plus Forma Forma dark indigo",
  "modelYear": 2026,
  "category": "e-bike",
  "categoryBasis": "route",
  "sourceCategory": "e-bike",
  "price": 5399,
  "originalPrice": null,
  "currency": "EUR",
  "discountPercent": null,
  "frameMaterial": "aluminium",
  "frameModel": null,
  "frameTier": null,
  "groupsetBrand": null,
  "groupsetFamily": null,
  "groupsetGeneration": null,
  "electronicShifting": null,
  "speeds": null,
  "mixedGroupset": null,
  "groupsetComponents": null,
  "groupsetTierSpread": 0,
  "crank": "FSA CK-747/IS",
  "cassette": "Gates CDX Center Track-Ritzel, 22 Z.",
  "brakes": "hydraulic-disc",
  "brakePistons": null,
  "brakeTier": "unknown",
  "suspension": "front",
  "fork": {
    "make": "SR Suntour",
    "line": null,
    "tier": "unknown",
    "travelMm": 80
  },
  "rearShock": null,
  "dropperPost": false,
  "beltDrive": true,
  "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 | Enviolo Trekking CVP",
  "wheelMaterial": "unknown",
  "wheelTier": "unknown",
  "tyres": "VR: Schwalbe Marathon E-Plus Performance, 50-622, HR: Schwalbe Marathon E-Plus Performance, 50-622",
  "weightKg": null,
  "ebike": {
    "motor": {
      "text": "Bosch Performance Line PX",
      "brand": "bosch",
      "model": "bosch-performance-line-px-bdu347y",
      "position": "mid",
      "torqueNm": 85,
      "torqueSource": "manufacturer",
      "ratedPowerW": null,
      "peakPowerW": null
    },
    "battery": {
      "text": "Bosch PowerPack 800 | 800",
      "capacityWh": 800,
      "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": false,
      "stockCount": null,
      "price": null
    },
    {
      "rawSize": "52 cm | (28\")",
      "size": "52",
      "sizeCm": 52,
      "inStock": false,
      "stockCount": null,
      "price": null
    },
    {
      "rawSize": "56 cm | (28\")",
      "size": "56",
      "sizeCm": 56,
      "inStock": true,
      "stockCount": null,
      "price": 5399
    },
    {
      "rawSize": "60 cm | (28\")",
      "size": "60",
      "sizeCm": 60,
      "inStock": false,
      "stockCount": null,
      "price": null
    }
  ],
  "seller": null,
  "availability": "limited",
  "gtins": [
    "4045985061628",
    "4045985061635",
    "4045985061642",
    "4045985061659"
  ],
  "imageUrl": "https://bikes-opt.b-cdn.net/stevens/2026/3081786_01.jpg",
  "rawTitle": "Stevens E-Courier 7.8.1 Plus Forma Forma dark indigo",
  "fetchedAt": "2026-09-26T07:06:49.202Z",
  "normalizationConfidence": 0.58,
  "warnings": [
    {
      "code": "single-size-only",
      "message": "Only one size is in stock (56 cm | (28\")).",
      "severity": "info"
    },
    {
      "code": "groupset-unknown",
      "message": "Groupset could not be established.",
      "severity": "high"
    },
    {
      "code": "wheel-material-unknown",
      "message": "Wheel material could not be established.",
      "severity": "info"
    }
  ],
  "ebikeAi": {
    "requested": [
      "frameShape"
    ],
    "applied": [],
    "rejected": [],
    "notes": "The source names Bosch Performance Line PX but does not establish an exact motor unit from the permitted motorModel vocabulary. Battery integration is not stated. Frame shape could not be resolved deterministically.",
    "raw": {
      "motorBrand": {
        "value": "bosch",
        "evidence": "Motor: Bosch Performance Line PX",
        "confidence": 1
      },
      "motorModel": {
        "value": null,
        "evidence": null,
        "confidence": 1
      },
      "batteryWh": {
        "value": "800",
        "evidence": "Akku-Kapazität (Wh): 800",
        "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": "The source names Bosch Performance Line PX but does not establish an exact motor unit from the permitted motorModel vocabulary. Battery integration is not stated. Frame shape could not be resolved deterministically."
    }
  }
}

Parsed specification table

{
  "Akku": "Bosch PowerPack 800",
  "Akku-Kapazität (Wh)": "800",
  "Motor": "Bosch Performance Line PX",
  "Motor-Unterstützung": "bis 25 km/h",
  "Display": "Bosch Kiox 300",
  "Rahmenmaterial lt. Hersteller": "Aluminium",
  "Gabel": "SR Suntour Mobie34-Boost 2CR",
  "Gabel Federweg (mm)": "80",
  "Schaltungstyp": "Nabenschaltung",
  "Schaltwerk": "Enviolo Trekking CVP",
  "Schalthebel": "Enviolo Twist Controller",
  "Zahnkranz": "Gates CDX Center Track-Ritzel, 22 Z.",
  "Bremsen": "Hydraulische Scheibenbremse",
  "Bremse": "VR: SHIMANO CUES U8000 BR-U8020, HR: SHIMANO CUES U8000 BR-U8000",
  "Bremshebel": "Shimano CUES U8000",
  "Bremsscheiben": "VR: SHIMANO SM-RT86, 180 mm, HR: SHIMANO SM-RT86, 180 mm",
  "Laufradgröße": "28 Zoll",
  "Reifen": "VR: Schwalbe Marathon E-Plus Performance, 50-622, HR: Schwalbe Marathon E-Plus Performance, 50-622",
  "Vorderrad-Nabe": "Strummer G15-3",
  "Hinterrad-Nabe": "Enviolo Trekking CVP",
  "Felgen": "VR: Oxygen RM-T25 Disc, 25 x 622, HR: Oxygen RM-T25 Disc, 25 x 622",
  "Kette": "Gates CDX Center Track Carbon Drive Belt",
  "Kurbelsatz": "FSA CK-747/IS",
  "Pedale": "ATB Alu Pro Reflex",
  "Innenlager": "Bosch",
  "Lenker": "Scorpo Rise 700 mm",
  "Vorbau": "Oxygen Versa III, verstellbar",
  "Steuersatz": "Acros Blocklock Taper 1 1/8\"-1 1/2\"",
  "Sattel": "Selle Royal Vivo Ergo Royal",
  "Sattelstütze": "Scorpo DPR-S",
  "Straßenzulassung": "Ja",
  "Frontleuchte": "B+M Briq-S Premium E T Senso+",
  "Rückleuchte": "B+M Shine Evo",
  "Gepäckträger": "Racktime Shine Evo RTA Gepäckträger",
  "Schutzbleche": "Curana Apollo 60",
  "Ständer": "STEVENS Edge",
  "Marke": "Stevens",
  "EAN": "4045985061628",
  "Hersteller Artikelnummer": "826061241",
  "Modellserie Bezeichnung": "E-Courier 7.8.1 Plus Forma",
  "Rahmenform lt. Hersteller": "Forma",
  "Markenfarbe": "dark indigo",
  "Rahmenhöhe": "46 cm | (28\")",
  "Jahr": "2026",
  "Zielgruppe": "Damen",
  "Gewicht": "31",
  "Zulässiges Gesamtgewicht": "180"
}

Raw adapter output

{
  "retailer": "bikes-de",
  "retailerProductId": "stevens-e-courier-7-8-1-plus-forma-2026",
  "productUrl": "https://www.bikes.de/shop/e-bikes/marke.stevens/stevens-e-courier-7-8-1-plus-forma-2026/",
  "extractionMethod": "server-html",
  "sourceCategory": "e-bike",
  "rawTitle": "Stevens E-Courier 7.8.1 Plus Forma Forma dark indigo",
  "rawBrand": "Stevens",
  "price": 5399,
  "originalPrice": null,
  "currency": "EUR",
  "imageUrl": "https://bikes-opt.b-cdn.net/stevens/2026/3081786_01.jpg",
  "rawSpecifications": {
    "Akku": "Bosch PowerPack 800",
    "Akku-Kapazität (Wh)": "800",
    "Motor": "Bosch Performance Line PX",
    "Motor-Unterstützung": "bis 25 km/h",
    "Display": "Bosch Kiox 300",
    "Rahmenmaterial lt. Hersteller": "Aluminium",
    "Gabel": "SR Suntour Mobie34-Boost 2CR",
    "Gabel Federweg (mm)": "80",
    "Schaltungstyp": "Nabenschaltung",
    "Schaltwerk": "Enviolo Trekking CVP",
    "Schalthebel": "Enviolo Twist Controller",
    "Zahnkranz": "Gates CDX Center Track-Ritzel, 22 Z.",
    "Bremsen": "Hydraulische Scheibenbremse",
    "Bremse": "VR: SHIMANO CUES U8000 BR-U8020, HR: SHIMANO CUES U8000 BR-U8000",
    "Bremshebel": "Shimano CUES U8000",
    "Bremsscheiben": "VR: SHIMANO SM-RT86, 180 mm, HR: SHIMANO SM-RT86, 180 mm",
    "Laufradgröße": "28 Zoll",
    "Reifen": "VR: Schwalbe Marathon E-Plus Performance, 50-622, HR: Schwalbe Marathon E-Plus Performance, 50-622",
    "Vorderrad-Nabe": "Strummer G15-3",
    "Hinterrad-Nabe": "Enviolo Trekking CVP",
    "Felgen": "VR: Oxygen RM-T25 Disc, 25 x 622, HR: Oxygen RM-T25 Disc, 25 x 622",
    "Kette": "Gates CDX Center Track Carbon Drive Belt",
    "Kurbelsatz": "FSA CK-747/IS",
    "Pedale": "ATB Alu Pro Reflex",
    "Innenlager": "Bosch",
    "Lenker": "Scorpo Rise 700 mm",
    "Vorbau": "Oxygen Versa III, verstellbar",
    "Steuersatz": "Acros Blocklock Taper 1 1/8\"-1 1/2\"",
    "Sattel": "Selle Royal Vivo Ergo Royal",
    "Sattelstütze": "Scorpo DPR-S",
    "Straßenzulassung": "Ja",
    "Frontleuchte": "B+M Briq-S Premium E T Senso+",
    "Rückleuchte": "B+M Shine Evo",
    "Gepäckträger": "Racktime Shine Evo RTA Gepäckträger",
    "Schutzbleche": "Curana Apollo 60",
    "Ständer": "STEVENS Edge",
    "Marke": "Stevens",
    "EAN": "4045985061628",
    "Hersteller Artikelnummer": "826061241",
    "Modellserie Bezeichnung": "E-Courier 7.8.1 Plus Forma",
    "Rahmenform lt. Hersteller": "Forma",
    "Markenfarbe": "dark indigo",
    "Rahmenhöhe": "46 cm | (28\")",
    "Jahr": "2026",
    "Zielgruppe": "Damen",
    "Gewicht": "31",
    "Zulässiges Gesamtgewicht": "180"
  },
  "rawFeatures": [],
  "rawSizes": [
    {
      "rawSize": "46 cm | (28\")",
      "size": "46",
      "sizeCm": 46,
      "inStock": false,
      "stockCount": null,
      "price": null
    },
    {
      "rawSize": "52 cm | (28\")",
      "size": "52",
      "sizeCm": 52,
      "inStock": false,
      "stockCount": null,
      "price": null
    },
    {
      "rawSize": "56 cm | (28\")",
      "size": "56",
      "sizeCm": 56,
      "inStock": true,
      "stockCount": null,
      "price": 5399
    },
    {
      "rawSize": "60 cm | (28\")",
      "size": "60",
      "sizeCm": 60,
      "inStock": false,
      "stockCount": null,
      "price": null
    }
  ],
  "availabilityText": "1 of 4 frame sizes offered for shipping by a bikes.de dealer",
  "fetchedAt": "2026-09-26T07:06:49.202Z",
  "sourceMeta": {
    "dealers": [
      "FAHRWERK Meppen"
    ],
    "listingRows": 1,
    "articleNumbers": [
      "3081788"
    ],
    "skus": [
      "4045985061635",
      "4045985061642",
      "4045985061659"
    ],
    "leafCategory": "E-Trekkingbikes"
  },
  "listingPath": [
    "E-Bikes",
    "E-Trekking",
    "E-Trekkingbikes"
  ]
}

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