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Trek Top Fuel 8 Gen 4 - 2026

mount7:6ba2381230dd5ac1573d247db8978bc1 · source URL · confidence 0.83 · GTIN 0197216185895, 0197216185901, 0197216185918, 0197216185925 +1

Eligibility

Cannot win: availability is out-of-stock; no size confirmed in stock

Size decisions

retailer labelalphacomparable cmmatchmappingin stockvariant priceevidence
MMunknownunsupportedno€3.499
LLunknownunsupportedno€3.499
SSunknownunsupportedno€3.499
MLM/Lunknownunsupportedno€3.499
XLXLunknownunsupportedno€3.499
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

Only listing of this configuration — nothing to merge.

Provenance — why we believe each fact

fieldsourceevidence
brandretailer:mount7 / parseTrek
modelretailer:mount7 / derivedTrek Top Fuel 8 Gen 4 - 2026
modelYearretailer:mount7 / parseTrek Top Fuel 8 Gen 4 - 2026
categoryretailer:mount7 / derivedretailer taxonomy
frameMaterialretailer:mount7 / parseAluminium
groupsetFamilyretailer:mount7 / dictionaryShimano SLX M7100 || Shimano XT M8100, 12-fach
electronicShiftingretailer:mount7 / derivedShimano SLX M7100 || Shimano XT M8100, 12-fach
speedsretailer:mount7 / parse12-fach
suspensionretailer:mount7 / derivedsuspension fork "Fox Rhythm 34, Federweg: 130 mm, Dämpfung: GRIP, Luftfeder: " and no rear shock in a 28-field spec table
forkretailer:mount7 / dictionaryFox Rhythm 34, Federweg: 130 mm, Dämpfung: GRIP, Luftfeder: Float EVOL, Achse vorne: Boost110 15-mm Kabolt, Gabelschaft:
dropperPostretailer:mount7 / derivedLine Dropper
weightKgretailer:mount7 / parseGewicht: ca. 14,58 kg
powerMeterretailer:mount7 / derivedabsent from a 28-field spec table
availabilityretailer:mount7 / derivedsizes 5: 0 stocked, 0 order-only
brakesai / ai (0.9)Typ: Hydraulische Scheibenbremse

Warnings

Score breakdown

{
  "frameScore": 11,
  "drivetrainScore": 19,
  "wheelScore": 5,
  "extrasScore": 3,
  "suspensionScore": 4,
  "weightAdjustment": -0.3,
  "equipmentValue": 41.7,
  "notes": [
    "Shimano SLX = 20.",
    "Mixed groupset -1: crank 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.",
    "14.58 kg vs 14.4 kg mtb-hardtail reference = -0.3.",
    "Fork \"entry\" +4 (130 mm travel, which is not scored).",
    "Dropper post +3."
  ],
  "marketPrice": 1193,
  "valueScore": 0.341,
  "savingsVsMarket": -2306
}

AI normalization

{
  "requested": [
    "wheelMaterial",
    "wheelTier",
    "brakes"
  ],
  "applied": [
    "brakes"
  ],
  "rejected": [],
  "notes": "Groupset components come from multiple Shimano families (XT, SLX, Deore) so groupsetFamily left null and mixedGroupset is true. Wheel rims are listed as 'Felgen: Bontrager Line Comp 30' but the source does not state rim material or a recognized tier, so wheelMaterial and wheelTier are null.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Rahmenmaterial: Alpha Platinum Aluminium",
      "confidence": 0.9
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Schaltwerk: Shimano XT M8100",
      "confidence": 0.9
    },
    "groupsetFamily": {
      "value": null,
      "evidence": null,
      "confidence": 0.5
    },
    "electronicShifting": {
      "value": null,
      "evidence": null,
      "confidence": 0.5
    },
    "speeds": {
      "value": "12",
      "evidence": "Schaltwerk: Shimano XT M8100, 12-fach",
      "confidence": 0.9
    },
    "mixedGroupset": {
      "value": "true",
      "evidence": "Schaltwerk: Shimano XT M8100, 12-fach\nKassette: Shimano SLX M7100, 10-51 Zähne\nKurbel: Shimano Deore M6120, Kettenblatt: 30 Zähne, Kurbelarmlänge: 170 mm\nSchalthebel: Shimano SLX M7100",
      "confidence": 0.9
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 0.5
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 0.5
    },
    "brakes": {
      "value": "hydraulic-disc",
      "evidence": "Typ: Hydraulische Scheibenbremse",
      "confidence": 0.9
    },
    "weightKg": {
      "value": "14.58",
      "evidence": "Gewicht: ca. 14,58 kg",
      "confidence": 0.9
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 0.5
    },
    "notes": "Groupset components come from multiple Shimano families (XT, SLX, Deore) so groupsetFamily left null and mixedGroupset is true. Wheel rims are listed as 'Felgen: Bontrager Line Comp 30' but the source does not state rim material or a recognized tier, so wheelMaterial and wheelTier are null."
  }
}

Normalized record

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  "retailer": "mount7",
  "retailerProductId": "6ba2381230dd5ac1573d247db8978bc1",
  "productUrl": "https://www.mount7.com/trek-top-fuel-8-gen-4-2026.html",
  "brand": "Trek",
  "model": "Top Fuel 8 Gen 4",
  "modelYear": 2026,
  "category": "mtb",
  "categoryBasis": "route",
  "sourceCategory": "mtb",
  "price": 3499,
  "originalPrice": null,
  "currency": "EUR",
  "discountPercent": null,
  "frameMaterial": "aluminium",
  "frameModel": null,
  "frameTier": null,
  "groupsetBrand": "Shimano",
  "groupsetFamily": "SLX",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": 12,
  "mixedGroupset": true,
  "groupsetComponents": {
    "shifters": "SLX",
    "rearDerailleur": "XT",
    "crank": "Deore",
    "cassette": "SLX"
  },
  "groupsetTierSpread": 12,
  "crank": "Shimano Deore M6120, Kettenblatt: 30 Zähne, Kurbelarmlänge: 170 mm, Kettenlinie: 55 mm",
  "cassette": "Shimano SLX M7100, 10-51 Zähne",
  "brakes": "hydraulic-disc",
  "brakePistons": null,
  "brakeTier": "unknown",
  "suspension": "front",
  "fork": {
    "make": "FOX",
    "line": "34",
    "tier": "entry",
    "travelMm": 130
  },
  "rearShock": null,
  "dropperPost": true,
  "beltDrive": null,
  "hubDynamo": null,
  "rack": null,
  "mudguards": null,
  "chaincase": null,
  "kickstand": null,
  "lighting": null,
  "wheelSize": null,
  "wheelset": "Bontrager Line Comp 30",
  "wheelMaterial": "unknown",
  "wheelTier": "unknown",
  "tyres": "Bontrager Gunnison Pro XR, Tubeless Ready: Ja, Reifengröße: 29 Zoll (Größe M, ML, L, XL) / 27.5 Zoll (Größe S), Reifenbreite: 2.40 Zoll, Wulstkern: Aramid (29 Z",
  "weightKg": 14.58,
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "M",
      "size": "M",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 3499,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "L",
      "size": "L",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 3499,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "S",
      "size": "S",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 3499,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "ML",
      "size": "M/L",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 3499,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "XL",
      "size": "XL",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 3499,
      "preorder": false,
      "deliveryNote": null
    }
  ],
  "seller": null,
  "availability": "out-of-stock",
  "gtins": [
    "0197216185895",
    "0197216185901",
    "0197216185918",
    "0197216185925",
    "0197216185932"
  ],
  "imageUrl": "https://www.mount7.com/out/pictures/ys_generated/320_255_75/out/pictures/master/product/1/TopFuel8-26-46143-B-Primary.jpg",
  "rawTitle": "Trek Top Fuel 8 Gen 4 - 2026",
  "fetchedAt": "2026-09-19T06:02:01.293Z",
  "normalizationConfidence": 0.83,
  "warnings": [
    {
      "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\",\"crank\":\"Deore\",\"cassette\":\"SLX\"}. Ranked on the shifting level, with a penalty.",
      "severity": "info"
    }
  ]
}

Parsed specification table

{
  "Federweg hinten": "120 mm",
  "Rahmenmaterial": "Alpha Platinum Aluminium",
  "Integriertes Staufach": "Ja",
  "Mino Link": "Vierfach verstellbar",
  "Steuerrohr": "Konisch",
  "Achse hinten": "Boost148",
  "Zugführung": "Intern",
  "Unterrohrschutz": "Ja",
  "Umlenkhebel": "Aluminium",
  "ABP": "Ja",
  "Gabel": "Fox Rhythm 34, Federweg: 130 mm, Dämpfung: GRIP, Luftfeder: Float EVOL, Achse vorne: Boost110 15-mm Kabolt, Gabelschaft: Konisch, Vorbiegung: 44 mm",
  "Schaltwerk": "Shimano XT M8100, 12-fach",
  "Kassette": "Shimano SLX M7100, 10-51 Zähne",
  "Kurbel": "Shimano Deore M6120, Kettenblatt: 30 Zähne, Kurbelarmlänge: 170 mm, Kettenlinie: 55 mm",
  "Schalthebel": "Shimano SLX M7100",
  "Kette": "Shimano SLX M7100, 12-fach",
  "Tretlager": "Shimano BB-MT501, BSA-Gewinde",
  "Reifen": "Bontrager Gunnison Pro XR, Tubeless Ready: Ja, Reifengröße: 29 Zoll (Größe M, ML, L, XL) / 27.5 Zoll (Größe S), Reifenbreite: 2.40 Zoll, Wulstkern: Aramid (29 Zoll), Draht (27.5 Zoll), TPI: 60, Reifenmischung: Zweikomponenten",
  "Felgen": "Bontrager Line Comp 30",
  "Lenker": "Bontrager Line, Breite: 780 mm, Rise: 27.5 mm, Material: Aluminium, Klemmdurchmesser: 35 mm",
  "Griffe": "Trek Line Comp, Nylonschraubklemmung",
  "Vorbau": "Bontrager Line",
  "Sattelstütze": "Bontrager Line Dropper, Hub: 170 mm (Größe M, ML, L, XL) / 100 mm (Größe S), Durchmesser: 34.9 mm",
  "Sattel": "Bontrager Verse P3, CrMo-Streben",
  "Typ": "Hydraulische Scheibenbremse",
  "Modell": "Shimano Deore M6120",
  "Gewicht": "ca. 14,58 kg",
  "Farbe": "Fury Red"
}

Raw adapter output

{
  "retailer": "mount7",
  "retailerProductId": "6ba2381230dd5ac1573d247db8978bc1",
  "productUrl": "https://www.mount7.com/trek-top-fuel-8-gen-4-2026.html",
  "extractionMethod": "json-ld",
  "sourceCategory": "mtb",
  "rawTitle": "Trek Top Fuel 8 Gen 4 - 2026",
  "rawBrand": "Trek",
  "price": 3499,
  "originalPrice": null,
  "currency": "EUR",
  "imageUrl": "https://www.mount7.com/out/pictures/ys_generated/320_255_75/out/pictures/master/product/1/TopFuel8-26-46143-B-Primary.jpg",
  "rawSpecifications": {
    "Federweg hinten": "120 mm",
    "Rahmenmaterial": "Alpha Platinum Aluminium",
    "Integriertes Staufach": "Ja",
    "Mino Link": "Vierfach verstellbar",
    "Steuerrohr": "Konisch",
    "Achse hinten": "Boost148",
    "Zugführung": "Intern",
    "Unterrohrschutz": "Ja",
    "Umlenkhebel": "Aluminium",
    "ABP": "Ja",
    "Gabel": "Fox Rhythm 34, Federweg: 130 mm, Dämpfung: GRIP, Luftfeder: Float EVOL, Achse vorne: Boost110 15-mm Kabolt, Gabelschaft: Konisch, Vorbiegung: 44 mm",
    "Schaltwerk": "Shimano XT M8100, 12-fach",
    "Kassette": "Shimano SLX M7100, 10-51 Zähne",
    "Kurbel": "Shimano Deore M6120, Kettenblatt: 30 Zähne, Kurbelarmlänge: 170 mm, Kettenlinie: 55 mm",
    "Schalthebel": "Shimano SLX M7100",
    "Kette": "Shimano SLX M7100, 12-fach",
    "Tretlager": "Shimano BB-MT501, BSA-Gewinde",
    "Reifen": "Bontrager Gunnison Pro XR, Tubeless Ready: Ja, Reifengröße: 29 Zoll (Größe M, ML, L, XL) / 27.5 Zoll (Größe S), Reifenbreite: 2.40 Zoll, Wulstkern: Aramid (29 Zoll), Draht (27.5 Zoll), TPI: 60, Reifenmischung: Zweikomponenten",
    "Felgen": "Bontrager Line Comp 30",
    "Lenker": "Bontrager Line, Breite: 780 mm, Rise: 27.5 mm, Material: Aluminium, Klemmdurchmesser: 35 mm",
    "Griffe": "Trek Line Comp, Nylonschraubklemmung",
    "Vorbau": "Bontrager Line",
    "Sattelstütze": "Bontrager Line Dropper, Hub: 170 mm (Größe M, ML, L, XL) / 100 mm (Größe S), Durchmesser: 34.9 mm",
    "Sattel": "Bontrager Verse P3, CrMo-Streben",
    "Typ": "Hydraulische Scheibenbremse",
    "Modell": "Shimano Deore M6120",
    "Gewicht": "ca. 14,58 kg",
    "Farbe": "Fury Red"
  },
  "rawFeatures": [
    "Geschwindigkeit fühlt sich auf diesem Bike wie ein natürlicher Reflex an: Beschleunigen, anziehen, Linie halten — alles passiert intuitiv und ohne Effort. Du spürst sofort, wie jede Pedalumdrehung in Vortrieb verwandelt wird, weil der Alpha Platinum Aluminium-Rahmen extrem steif konstruiert ist und die Kraft direkt auf den Trail bringt. Dazu das 1x12-Antriebspaket mit Shimano XT M8100 Schaltwerk, Shimano SLX M7100-Kassette (10-51) und einer Deore-Kurbel mit 30 Zähnen: präzise, sauber und so schnell, dass du mehr Zeit auf der Linie und weniger Zeit beim Schalten verbringst.<br><br>Auf technischen Passagen gibt dir das Top Fuel 8 Gen 4 die Souveränität zurück, die du brauchst, um Gas zu geben: Die Fox Rhythm 34-Gabel (130 mm) arbeitet mit der 120 mm Hinterbauplattform zusammen und schluckt Wurzeln, Steine und Sprünge mit geschmeidiger Kontrolle. Die Bontrager Line Comp 30 Laufräder und die tubeless-ready Bontrager Gunnison Pro XR-Reifen in 2.40\" bieten kompromisslosen Grip und Stabilität, während der breite 780 mm Lenker und die Mino Link-Geometrie dafür sorgen, dass du in jeder Situation präzise dirigierst. Interne Zugführung, ABP-Hinterbau und Unterrohrschutz halten die Technik sauber und zuverlässig — mehr Fokus auf Trailspaß, weniger auf Wartung.<br><br>Am Ende bleibt die eine Gewissheit: das Top Fuel ist ein kompromissloses Trail-Fully, das dich schneller, sicherer und selbstbewusster über jede Linie bringt. Du bekommst ein Bike, das sowohl für rasante Runden als auch für lange Marathon-Einsätze gebaut ist — pack dein Helm ein, such dir eine Linie und erlebe, wie dein Fahrgefühl auf dem Trail eine neue Dimension erreicht."
  ],
  "rawSizes": [
    {
      "rawSize": "M",
      "size": "M",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 3499,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "L",
      "size": "L",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 3499,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "S",
      "size": "S",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 3499,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "ML",
      "size": "M/L",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 3499,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "XL",
      "size": "XL",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 3499,
      "preorder": false,
      "deliveryNote": null
    }
  ],
  "availabilityText": "sizes 5: 0 stocked, 0 order-only",
  "fetchedAt": "2026-09-19T06:02:01.293Z",
  "sourceMeta": {
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    "shopSkus": [
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    "productGroupId": "6ba2381230dd5ac1573d247db8978bc1",
    "shopCategory": "MTB-Fullys",
    "variantCount": 5,
    "availabilities": [
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      "https://schema.org/OutOfStock",
      "https://schema.org/OutOfStock"
    ],
    "listingStock": null
  }
}

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