← Review table (e-bike) · shopper page

Powerfly+ FS 6 Gen 4 - Era White/Buff Beige 800Wh

bike-mailorder:9619282329864 · source URL · confidence 0.69 · GTIN 0197216108443, 0197216108450, 0197216108467, 0197216108474

Eligibility

Cannot win: confidence 0.69 below 0.75; e-bike bikes are not value-ranked yet (no e-bike-specific equipment model)

Size decisions

retailer labelalphacomparable cmmatchmappingin stockvariant priceevidence
S (27.5")S—unknownunsupportedno€5.699—
M (29")M—unknownunsupportedno€4.291,39—
L (29")L—unknownunsupportedyes€3.725,10—
XL (29")XL—unknownunsupportedno€5.699—
mappingunsupported
reasonTrek publishes no defensible conventional equivalence for its letter sizes. Trek states it 'recently transitioned Trek road bike sizing from numerical sizing to alpha sizing' and now publishes height and inseam only. The centimetre figures retailers print beside Trek letters are per-model seat-tube lengths, not size names: the same 'M' appears as 47.6 cm on a Madone and 50 cm on a Domane, and 'S' also appears as 47.6 cm. The only cm-to-letter statement Trek makes is partial — the Madone Gen 8 FAQ says 'Sizes 52cm and 54cm have been combined into one size (M) and size 62cm has been replaced with a new XL frame' — which accounts for two of eight old sizes and leaves 58 cm and 60 cm unresolved between L and XL. Any complete mapping would have to be invented, so Trek keeps its letters and its retailer-printed centimetres are discarded rather than read as conventional sizes.

A shopper asking for: 54 → nothing compatible · 56 → nothing compatible · 58 → nothing compatible · 60 → nothing compatible

Identity

Canonical configuration: Trek | Powerfly+ FS 6 Gen 4 29 | XT | 2026
Confidence: medium

retailerpricesizes in stock
BIKER-BOARDER€3.299M // 40 cm, L // 42 cm, XL // 45 cmdebug
BIKER-BOARDER€3.299S // 38 cmdebug
Bike-Mailorder€3.324,05M (29"), L (29")debug
Mount7€3.389XLdebug
BIKER-BOARDER€3.399M // 40 cm, L // 42 cm, XL // 45 cmdebug
Bike-Mailorder€3.725,10L (29")debug
Lucky Bike€4.299,99M, L, XLdebug
BikeExchange€4.749M, L, XLdebug

Provenance — why we believe each fact

fieldsourceevidence
brandretailer:bike-mailorder / parseTrek
modelretailer:bike-mailorder / derivedPowerfly+ FS 6 Gen 4 - Era White/Buff Beige 800Wh
categoryretailer:bike-mailorder / parseE-Bike
groupsetFamilyretailer:bike-mailorder / dictionaryShimano SLX M7100, 12fach || Shimano XT M8100, langer Käfig
electronicShiftingretailer:bike-mailorder / derivedShimano SLX M7100, 12fach || Shimano XT M8100, langer Käfig
speedsretailer:bike-mailorder / parse12fach
brakesretailer:bike-mailorder / parseHydraulische
brakeTierretailer:bike-mailorder / dictionaryM6100
brakePistonsretailer:bike-mailorder / parse4-Kolben
suspensionretailer:bike-mailorder / derivedrear shock row: Fox Float Rhythm, 2-Positionen-Dämpfung, 210 x 50 mm
rearShockretailer:bike-mailorder / dictionaryFox Float Rhythm, 2-Positionen-Dämpfung, 210 x 50 mm
powerMeterretailer:bike-mailorder / derivedabsent from a 27-field spec table
availabilityretailer:bike-mailorder / derived1 of 4 variants in stock
ebike.motorretailer:bike-mailorder / parseBosch Smart System Performance Line CX BDU38, 250 Watt, 85 Nm, 25 km/h
ebike.motor.torqueNmretailer:bike-mailorder / parse85 Nm
ebike.motor.powerretailer:bike-mailorder / parseBosch Smart System Performance Line CX BDU38, 250 Watt, 85 Nm, 25 km/h
ebike.battery.capacityWhretailer:bike-mailorder / parse800 Wh
ebike.battery.integrationretailer:bike-mailorder / parsePowerTube
ebike.battery.removableretailer:bike-mailorder / parseherausnehmbarer
ebike.eDisciplineretailer:bike-mailorder / parseshelf: E-Bike Fullys
ebike.rangeExtenderretailer:bike-mailorder / parse2.0 Akku, der mit einem Bosch PowerMore Zusatzakku kompatibel ist, br
ebike.speedClassai / ai (1)Motor: Bosch Smart System Performance Line CX BDU38, 250 Watt, 85 Nm, 25 km/h

Warnings

Score breakdown

{
  "frameScore": 8,
  "drivetrainScore": 19,
  "wheelScore": 5,
  "extrasScore": 2,
  "suspensionScore": 0,
  "weightAdjustment": 0,
  "equipmentValue": 34,
  "notes": [
    "Frame material unknown: scored below aluminium rather than assumed.",
    "Shimano SLX = 20.",
    "Mixed groupset -1: cassette is Deore, 12 tier below SLX.",
    "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.",
    "Brake series \"entry\" +2."
  ],
  "marketPrice": null,
  "valueScore": null,
  "savingsVsMarket": null
}

AI normalization

{
  "requested": [
    "frameMaterial",
    "wheelMaterial",
    "wheelTier",
    "weightKg"
  ],
  "applied": [],
  "rejected": [],
  "notes": "Frame material, wheel material, wheelset model/tier, complete-bike weight, and power-meter status are not established by the source. The drivetrain is mixed across SLX, XT, and Deore families, so no single groupsetFamily is assigned.",
  "raw": {
    "frameMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Shimano SLX M7100",
      "confidence": 1
    },
    "groupsetFamily": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "electronicShifting": {
      "value": "false",
      "evidence": "Shimano SLX M7100, 12fach",
      "confidence": 0.9
    },
    "speeds": {
      "value": "12",
      "evidence": "12fach",
      "confidence": 1
    },
    "mixedGroupset": {
      "value": "true",
      "evidence": "Shimano SLX M7100, 12fach\nSchaltwerk: Shimano XT M8100, langer Käfig\nKassette: Shimano Deore M6100, 10-51 Z., 12fach\nKette: Shimano Deore M6100, 12fach",
      "confidence": 1
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "brakes": {
      "value": "hydraulic-disc",
      "evidence": "Hydraulische 4-Kolben-Scheibenbremse von Shimano",
      "confidence": 1
    },
    "weightKg": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "notes": "Frame material, wheel material, wheelset model/tier, complete-bike weight, and power-meter status are not established by the source. The drivetrain is mixed across SLX, XT, and Deore families, so no single groupsetFamily is assigned."
  }
}

Normalized record

{
  "id": "bike-mailorder:9619282329864",
  "retailer": "bike-mailorder",
  "retailerProductId": "9619282329864",
  "productUrl": "https://www.bike-mailorder.com/products/trek-powerfly-fs-6-gen-4-era-white-buff-beige-800wh",
  "brand": "Trek",
  "model": "Powerfly+ FS 6 Gen 4",
  "modelYear": null,
  "category": "e-bike",
  "categoryBasis": "stated",
  "sourceCategory": "e-bike",
  "price": 3725.1,
  "originalPrice": 5699,
  "currency": "EUR",
  "discountPercent": 35,
  "frameMaterial": "unknown",
  "frameModel": "Alpha Platinum, herausnehmbarer integrierter Akku (RIB 2.0), konisches Steuerrohr, interne Zugführung, Motor Armor, Gepäckträger- und Schutzblechösen, ABP, Boos",
  "frameTier": null,
  "groupsetBrand": "Shimano",
  "groupsetFamily": "SLX",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": 12,
  "mixedGroupset": true,
  "groupsetComponents": {
    "shifters": "SLX",
    "rearDerailleur": "XT",
    "cassette": "Deore"
  },
  "groupsetTierSpread": 12,
  "crank": null,
  "cassette": "Shimano Deore M6100, 10-51 Z., 12fach",
  "brakes": "hydraulic-disc",
  "brakePistons": 4,
  "brakeTier": "entry",
  "suspension": "full",
  "fork": null,
  "rearShock": {
    "make": "FOX",
    "line": "Float",
    "tier": "entry"
  },
  "dropperPost": null,
  "beltDrive": null,
  "hubDynamo": null,
  "rack": null,
  "mudguards": null,
  "chaincase": null,
  "kickstand": null,
  "lighting": null,
  "wheelSize": null,
  "wheelset": null,
  "wheelMaterial": "unknown",
  "wheelTier": "unknown",
  "tyres": null,
  "weightKg": null,
  "ebike": {
    "motor": {
      "text": "Bosch Smart System Performance Line CX BDU38, 250 Watt, 85 Nm, 25 km/h",
      "brand": "bosch",
      "model": null,
      "position": "unknown",
      "torqueNm": 85,
      "torqueSource": "retailer",
      "ratedPowerW": 250,
      "peakPowerW": null
    },
    "battery": {
      "text": "Bosch PowerTube 800 Wh, Smart System",
      "capacityWh": 800,
      "count": 1,
      "integration": "integrated",
      "removable": true
    },
    "speedClass": "pedelec-25",
    "rangeExtender": "compatible",
    "display": null,
    "abs": null,
    "autoShift": null,
    "statedRangeKm": null,
    "eDiscipline": "e-mtb",
    "eDisciplineBasis": "leaf",
    "frameShape": "unknown",
    "cargoType": "unknown",
    "maxSystemWeightKg": null,
    "rackCapacityKg": null,
    "weightIncludesBattery": null
  },
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "S (27.5\")",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 5699,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "M (29\")",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 4291.39,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "L (29\")",
      "size": null,
      "sizeCm": null,
      "inStock": true,
      "stockCount": 1,
      "price": 3725.1,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "XL (29\")",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 5699,
      "preorder": false,
      "deliveryNote": null
    }
  ],
  "seller": null,
  "availability": "limited",
  "gtins": [
    "0197216108443",
    "0197216108450",
    "0197216108467",
    "0197216108474"
  ],
  "imageUrl": "https://cdn.shopify.com/s/files/1/0901/7085/1592/files/Screenshot2025-06-13085520.png?v=1788344258",
  "rawTitle": "Powerfly+ FS 6 Gen 4 - Era White/Buff Beige 800Wh",
  "fetchedAt": "2026-09-26T06:58:22.030Z",
  "normalizationConfidence": 0.69,
  "warnings": [
    {
      "code": "single-size-only",
      "message": "Only one size is in stock (L (29\")).",
      "severity": "info"
    },
    {
      "code": "frame-material-unknown",
      "message": "Frame material could not be established.",
      "severity": "high"
    },
    {
      "code": "wheel-material-unknown",
      "message": "Wheel material could not be established.",
      "severity": "info"
    },
    {
      "code": "mixed-groupset",
      "message": "Not a uniform groupset: {\"shifters\":\"SLX\",\"rearDerailleur\":\"XT\",\"cassette\":\"Deore\"}. Ranked on the shifting level, with a penalty.",
      "severity": "info"
    }
  ],
  "ebikeAi": {
    "requested": [
      "motorModel",
      "speedClass",
      "frameShape"
    ],
    "applied": [
      "speedClass"
    ],
    "rejected": [],
    "notes": "The source identifies the motor as “Performance Line CX BDU38”, but does not name one of the permitted exact motor models. Frame shape is not stated.",
    "raw": {
      "motorBrand": {
        "value": "bosch",
        "evidence": "Motor: Bosch Smart System Performance Line CX BDU38, 250 Watt, 85 Nm, 25 km/h",
        "confidence": 1
      },
      "motorModel": {
        "value": null,
        "evidence": null,
        "confidence": 1
      },
      "batteryWh": {
        "value": "800",
        "evidence": "Akku: Bosch PowerTube 800 Wh, Smart System",
        "confidence": 1
      },
      "speedClass": {
        "value": "pedelec-25",
        "evidence": "Motor: Bosch Smart System Performance Line CX BDU38, 250 Watt, 85 Nm, 25 km/h",
        "confidence": 1
      },
      "batteryIntegration": {
        "value": "integrated",
        "evidence": "Rahmen: Alpha Platinum, herausnehmbarer integrierter Akku (RIB 2.0)",
        "confidence": 1
      },
      "frameShape": {
        "value": null,
        "evidence": null,
        "confidence": 1
      },
      "notes": "The source identifies the motor as “Performance Line CX BDU38”, but does not name one of the permitted exact motor models. Frame shape is not stated."
    }
  }
}

Parsed specification table

{
  "Rahmen": "Alpha Platinum, herausnehmbarer integrierter Akku (RIB 2.0), konisches Steuerrohr, interne Zugführung, Motor Armor, Gepäckträger- und Schutzblechösen, ABP, Boost148, 120 mm Federweg",
  "Dämpfer": "Fox Float Rhythm, 2-Positionen-Dämpfung, 210 x 50 mm",
  "Max. kompatibler Gabelfederweg": "Siehe Wartungshandbuch",
  "HR-Schnellspanner": "Bontrager Switch-Steckachse, abnehmbarer Hebel",
  "Reifen-Ersatzteil": "Bontrager TLR-Dichtmittel, 177 ml",
  "Felgenband": "Bontrager TLR",
  "Max. Reifengröße": "Rahmen: 29 x 2.50\" (XS - 27.5 x 2.50\")",
  "Akku": "Bosch PowerTube 800 Wh, Smart System",
  "Ladegerät": "Bosch Standardladegerät 4 A, 230 V, Smart System",
  "Computer": "Bosch Purion 200",
  "Motor": "Bosch Smart System Performance Line CX BDU38, 250 Watt, 85 Nm, 25 km/h",
  "Schalthebel": "Shimano SLX M7100, 12fach",
  "Schaltwerk": "Shimano XT M8100, langer Käfig",
  "Kassette": "Shimano Deore M6100, 10-51 Z., 12fach",
  "Kette": "Shimano Deore M6100, 12fach",
  "Pedale": "Rutschfeste Pedale mit Reflektoren",
  "Max. Kettenblattgröße": "1x: 38 Z.",
  "Sattel": "Bontrager Verse P3, Stahlstreben",
  "Lenker": "Bontrager Comp, Aluminium, 31,8 mm, 40 mm Rise, 780 mm Breite",
  "Griffe": "Bontrager XR Trail Comp, Nylonklemme",
  "Vorbau": "Bontrager Comp, 31,8 mm, Blendr-kompatibel, 7 Grad, 50 mm Länge",
  "Steuersatz": "FSA IS-2, 1 1/8\" oben, 1,5\" unten",
  "Bremse": "Hydraulische 4-Kolben-Scheibenbremse von Shimano, M6100 Bremshebel, M6120 Bremssattel",
  "Bremsscheibe": "Shimano RT64, Centerlock-Scheibenaufnahme, 203 mm",
  "Bremsscheibendurchmesser": "Rahmen: max. 220 mm (min. 180 mm)",
  "Max. Gewicht": "Dieses Fahrrad hat eine maximale Gewichtsbeschränkung (Fahrrad, Fahrer und Beladung) von 136 kg.",
  "Disziplin": "Bike, bike outlet, E-Bike Fullys, E-Bikes, E-Mountainbikes, EOS26EBIKES, Herren oder Unisex, Spedition, SSV, SSV-Bikes"
}

Raw adapter output

{
  "retailer": "bike-mailorder",
  "retailerProductId": "9619282329864",
  "productUrl": "https://www.bike-mailorder.com/products/trek-powerfly-fs-6-gen-4-era-white-buff-beige-800wh",
  "extractionMethod": "public-json-api",
  "sourceCategory": "e-bike",
  "rawTitle": "Powerfly+ FS 6 Gen 4 - Era White/Buff Beige 800Wh",
  "rawBrand": "Trek",
  "price": 3725.1,
  "originalPrice": 5699,
  "currency": "EUR",
  "imageUrl": "https://cdn.shopify.com/s/files/1/0901/7085/1592/files/Screenshot2025-06-13085520.png?v=1788344258",
  "rawSpecifications": {
    "Rahmen": "Alpha Platinum, herausnehmbarer integrierter Akku (RIB 2.0), konisches Steuerrohr, interne Zugführung, Motor Armor, Gepäckträger- und Schutzblechösen, ABP, Boost148, 120 mm Federweg",
    "Dämpfer": "Fox Float Rhythm, 2-Positionen-Dämpfung, 210 x 50 mm",
    "Max. kompatibler Gabelfederweg": "Siehe Wartungshandbuch",
    "HR-Schnellspanner": "Bontrager Switch-Steckachse, abnehmbarer Hebel",
    "Reifen-Ersatzteil": "Bontrager TLR-Dichtmittel, 177 ml",
    "Felgenband": "Bontrager TLR",
    "Max. Reifengröße": "Rahmen: 29 x 2.50\" (XS - 27.5 x 2.50\")",
    "Akku": "Bosch PowerTube 800 Wh, Smart System",
    "Ladegerät": "Bosch Standardladegerät 4 A, 230 V, Smart System",
    "Computer": "Bosch Purion 200",
    "Motor": "Bosch Smart System Performance Line CX BDU38, 250 Watt, 85 Nm, 25 km/h",
    "Schalthebel": "Shimano SLX M7100, 12fach",
    "Schaltwerk": "Shimano XT M8100, langer Käfig",
    "Kassette": "Shimano Deore M6100, 10-51 Z., 12fach",
    "Kette": "Shimano Deore M6100, 12fach",
    "Pedale": "Rutschfeste Pedale mit Reflektoren",
    "Max. Kettenblattgröße": "1x: 38 Z.",
    "Sattel": "Bontrager Verse P3, Stahlstreben",
    "Lenker": "Bontrager Comp, Aluminium, 31,8 mm, 40 mm Rise, 780 mm Breite",
    "Griffe": "Bontrager XR Trail Comp, Nylonklemme",
    "Vorbau": "Bontrager Comp, 31,8 mm, Blendr-kompatibel, 7 Grad, 50 mm Länge",
    "Steuersatz": "FSA IS-2, 1 1/8\" oben, 1,5\" unten",
    "Bremse": "Hydraulische 4-Kolben-Scheibenbremse von Shimano, M6100 Bremshebel, M6120 Bremssattel",
    "Bremsscheibe": "Shimano RT64, Centerlock-Scheibenaufnahme, 203 mm",
    "Bremsscheibendurchmesser": "Rahmen: max. 220 mm (min. 180 mm)",
    "Max. Gewicht": "Dieses Fahrrad hat eine maximale Gewichtsbeschränkung (Fahrrad, Fahrer und Beladung) von 136 kg.",
    "Disziplin": "Bike, bike outlet, E-Bike Fullys, E-Bikes, E-Mountainbikes, EOS26EBIKES, Herren oder Unisex, Spedition, SSV, SSV-Bikes"
  },
  "rawFeatures": [
    "Das Powerfly+ FS 6 ist ein leistungsstarkes, vollgefedertes E-Mountainbike für ausgedehnte Runden jenseits ausgefahrener Pfade. Trails werden von einem Fahrwerk mit 130 mm vorderem und 120 mm hinterem Federweg entschärft, und der kraftvolle Bosch Performance Line Motor mit abnehmbarem, integriertem RIB 2.0 Akku, der mit einem Bosch PowerMore Zusatzakku kompatibel ist, bringt dich ganz weit raus.",
    "Rahmen: Alpha Platinum, herausnehmbarer integrierter Akku (RIB 2.0), konisches Steuerrohr, interne Zugführung, Motor Armor, Gepäckträger- und Schutzblechösen, ABP, Boost148, 120 mm Federweg",
    "Dämpfer: Fox Float Rhythm, 2-Positionen-Dämpfung, 210 x 50 mm",
    "Max. kompatibler Gabelfederweg: Siehe Wartungshandbuch",
    "HR-Schnellspanner: Bontrager Switch-Steckachse, abnehmbarer Hebel",
    "Größe S: Bontrager Gunnison Pro XR, Tubeless-Ready, Drahtwulstkern, 60 TPI, 27.5 x 2.40",
    "Größe M, L, XL: Bontrager Gunnison Pro XR, Tubeless-Ready, Zweikomponenten-Mischung, Aramidwulstkern, 60 TPI, 29 x 2.40",
    "Reifen-Ersatzteil: Bontrager TLR-Dichtmittel, 177 ml",
    "Felgenband: Bontrager TLR",
    "Max. Reifengröße: Rahmen: 29 x 2.50\" (XS - 27.5 x 2.50\")",
    "Akku: Bosch PowerTube 800 Wh, Smart System",
    "Ladegerät: Bosch Standardladegerät 4 A, 230 V, Smart System"
  ],
  "rawSizes": [
    {
      "rawSize": "S (27.5\")",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 5699,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "M (29\")",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 4291.39,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "L (29\")",
      "size": null,
      "sizeCm": null,
      "inStock": true,
      "stockCount": 1,
      "price": 3725.1,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "XL (29\")",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 5699,
      "preorder": false,
      "deliveryNote": null
    }
  ],
  "availabilityText": "1 of 4 variants in stock",
  "fetchedAt": "2026-09-26T06:58:22.030Z",
  "sourceMeta": {
    "shopifyProductId": 9619282329864,
    "handle": "trek-powerfly-fs-6-gen-4-era-white-buff-beige-800wh",
    "productType": "E-Bike",
    "tags": [
      "Bike",
      "bike outlet",
      "E-Bike Fullys",
      "E-Bikes",
      "E-Mountainbikes",
      "EOS26EBIKES",
      "Herren oder Unisex",
      "Spedition",
      "SSV",
      "SSV-Bikes"
    ],
    "skus": [
      "0197216108474",
      "0197216108467",
      "0197216108450",
      "0197216108443"
    ],
    "articleNumbers": [
      "T16310211",
      "T16310211.1",
      "T16310211.2",
      "T16310211.3"
    ],
    "stockSource": "product-inventory",
    "backorderNote": "Beim Lieferanten bestellt",
    "untrackedVariants": 0,
    "variantsNotInStockArray": 0,
    "bWareVariantsRemoved": []
  },
  "listingPath": [
    "E-Bikes",
    "E-Mountainbikes",
    "E-Bike Fullys"
  ]
}

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