← Review table (mtb) · shopper page

Trek Top Fuel 9.9 XTR Di2 Gen 4 - 2026

mount7:feea7e2f4bfa77a9daf9c4efa0f5471a · source URL · confidence 0.95 · GTIN 0197216179849, 0197216179856, 0197216179863, 0197216179870 +1

Eligibility

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

Size decisions

retailer labelalphacomparable cmmatchmappingin stockvariant priceevidence
SSunknownunsupportedno€8.499
XLXLunknownunsupportedno€8.499
LLunknownunsupportedno€8.499
MMunknownunsupportedno€8.499
MLM/Lunknownunsupportedno€8.499
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

Canonical configuration: Trek | Top Fuel 9.9 XTR Di2 Gen 4 MTB | XTR Di2 | 2026
Confidence: high

retailerpricesizes in stock
BikeHouse24€8.499nonedebug
Mount7€8.499nonedebug

Provenance — why we believe each fact

fieldsourceevidence
brandretailer:mount7 / parseTrek
modelretailer:mount7 / derivedTrek Top Fuel 9.9 XTR Di2 Gen 4 - 2026
modelYearretailer:mount7 / parseTrek Top Fuel 9.9 XTR Di2 Gen 4 - 2026
categoryretailer:mount7 / derivedretailer taxonomy
frameMaterialretailer:mount7 / parseCarbon
frameTierretailer:mount7 / dictionaryOCLV Mountain
groupsetFamilyretailer:mount7 / dictionaryShimano XTR Di2 M9250 (elektronisch)
electronicShiftingretailer:mount7 / derivedDi2
speedsretailer:mount7 / parsemodel code M9200
brakesretailer:mount7 / parsehydraulische Scheibenbremse
brakeTierretailer:mount7 / dictionaryXTR
brakePistonsretailer:mount7 / parseShimano caliper code M9220
suspensionretailer:mount7 / derivedrear shock row: Fox Factory Float mit Kashima Beschichtung
forkretailer:mount7 / dictionaryFox Factory 36 SL (XL, ML, M, L) | RockShox Pike Ultimate (S), Federweg: 130 mm, Kashima Beschichtung: Ja, Dämpfung: Flo
rearShockretailer:mount7 / dictionaryFox Factory Float mit Kashima Beschichtung
dropperPostretailer:mount7 / derivedFox Transfer
powerMeterretailer:mount7 / derivedabsent from a 16-field spec table
availabilityretailer:mount7 / derivedsizes 5: 0 stocked, 0 order-only
wheelMaterialai / ai (0.9)Bontrager Line Pro 30-Carbonlaufräder

Warnings

none

Score breakdown

{
  "frameScore": 28,
  "drivetrainScore": 24,
  "wheelScore": 5,
  "extrasScore": 6,
  "suspensionScore": 20,
  "weightAdjustment": 0,
  "equipmentValue": 83,
  "notes": [
    "Frame tier \"mid\" +2.",
    "Shimano XTR Di2 = 24.",
    "Carbon wheels confirmed but model unrecognised: scored as unknown, not as good carbon.",
    "Brakes \"hydraulic-disc\" = 0, the baseline for mtb-full.",
    "Weight not published: no weight adjustment either way.",
    "Fork \"top\" +12 (130 mm travel, which is not scored).",
    "Rear shock \"top\" +8.",
    "Brake series \"top\" +5.",
    "Dropper post +1."
  ],
  "marketPrice": 7657,
  "valueScore": 0.901,
  "savingsVsMarket": -842
}

AI normalization

{
  "requested": [
    "wheelMaterial",
    "wheelTier",
    "weightKg"
  ],
  "applied": [
    "wheelMaterial"
  ],
  "rejected": [],
  "notes": "Wheel material is explicitly stated as carbon in the FEATURES text. Wheel tier cannot be deterministically assigned from the source text. Number of speeds and complete-bike weight are not stated. Power meter is not mentioned.",
  "raw": {
    "frameMaterial": {
      "value": "carbon",
      "evidence": "Rahmenmaterial: Carbon",
      "confidence": 0.9
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Shimano XTR Di2 M9250 (elektronisch)",
      "confidence": 0.9
    },
    "groupsetFamily": {
      "value": "XTR Di2",
      "evidence": "Shimano XTR Di2 M9250 (elektronisch)",
      "confidence": 0.9
    },
    "electronicShifting": {
      "value": "true",
      "evidence": "Shimano XTR Di2 M9250 (elektronisch)",
      "confidence": 0.9
    },
    "speeds": {
      "value": null,
      "evidence": null,
      "confidence": 0.3
    },
    "mixedGroupset": {
      "value": "true",
      "evidence": "e*thirteen TRS Race Carbon\nSchaltwerk: Shimano XTR Di2 M9250 (elektronisch)",
      "confidence": 0.8
    },
    "wheelMaterial": {
      "value": "carbon",
      "evidence": "Bontrager Line Pro 30-Carbonlaufräder",
      "confidence": 0.9
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 0.3
    },
    "brakes": {
      "value": "hydraulic-disc",
      "evidence": "Shimano XTR M9220 hydraulische Scheibenbremse",
      "confidence": 0.9
    },
    "weightKg": {
      "value": null,
      "evidence": null,
      "confidence": 0.3
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 0.3
    },
    "notes": "Wheel material is explicitly stated as carbon in the FEATURES text. Wheel tier cannot be deterministically assigned from the source text. Number of speeds and complete-bike weight are not stated. Power meter is not mentioned."
  }
}

Normalized record

{
  "id": "mount7:feea7e2f4bfa77a9daf9c4efa0f5471a",
  "retailer": "mount7",
  "retailerProductId": "feea7e2f4bfa77a9daf9c4efa0f5471a",
  "productUrl": "https://www.mount7.com/trek-top-fuel-9-9-xtr-di2-gen-4-2026.html",
  "brand": "Trek",
  "model": "Top Fuel 9.9 XTR Di2 Gen 4",
  "modelYear": 2026,
  "category": "mtb",
  "categoryBasis": "route",
  "sourceCategory": "mtb",
  "price": 8499,
  "originalPrice": null,
  "currency": "EUR",
  "discountPercent": null,
  "frameMaterial": "carbon",
  "frameModel": "OCLV Mountain Carbon, Rahmenmaterial: Carbon, Federweg hinten: 120 mm, Besonderheiten: Internes Staufach, konisches Steuerrohr, interne Zugführung, Unterrohrsch",
  "frameTier": "mid",
  "groupsetBrand": "Shimano",
  "groupsetFamily": "XTR Di2",
  "groupsetGeneration": null,
  "electronicShifting": true,
  "speeds": 12,
  "mixedGroupset": false,
  "groupsetComponents": {
    "rearDerailleur": "XTR Di2",
    "cassette": "XTR"
  },
  "groupsetTierSpread": 0,
  "crank": "e*thirteen TRS Race Carbon, Kettenblatt: 30 Zähne, Kurbelarmlänge: 170 mm, Kettenlinie: 55 mm",
  "cassette": "Shimano XTR M9200 (10-51 Zähne)",
  "brakes": "hydraulic-disc",
  "brakePistons": 4,
  "brakeTier": "top",
  "suspension": "full",
  "fork": {
    "make": "RockShox",
    "line": "36",
    "tier": "top",
    "travelMm": 130
  },
  "rearShock": {
    "make": "FOX",
    "line": "Float",
    "tier": "top"
  },
  "dropperPost": true,
  "beltDrive": null,
  "hubDynamo": null,
  "rack": null,
  "mudguards": null,
  "chaincase": null,
  "kickstand": null,
  "lighting": null,
  "wheelSize": null,
  "wheelset": "Bontrager Line Pro 30, Durchmesser: 29 Zoll (XL, ML, M, L) | 27.5 Zoll (S)",
  "wheelMaterial": "carbon",
  "wheelTier": "unknown",
  "tyres": "Bontrager Gunnison RSL XT (vorne) / Montrose RSL XT (hinten), Größe: 29 x 2.40 Zoll (XL, ML, M, L) | 27.5 x 2.40 Zoll (S), Breite: 2.4 Zoll, Eigenschaften: Tube",
  "weightKg": null,
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "S",
      "size": "S",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 8499,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "XL",
      "size": "XL",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 8499,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "L",
      "size": "L",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 8499,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "M",
      "size": "M",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 8499,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "ML",
      "size": "M/L",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 8499,
      "preorder": false,
      "deliveryNote": null
    }
  ],
  "seller": null,
  "availability": "out-of-stock",
  "gtins": [
    "0197216179849",
    "0197216179856",
    "0197216179863",
    "0197216179870",
    "0197216179887"
  ],
  "imageUrl": "https://www.mount7.com/out/pictures/ys_generated/320_255_75/out/pictures/master/product/1/TopFuel99-26-52232-A-Primary.jpg",
  "rawTitle": "Trek Top Fuel 9.9 XTR Di2 Gen 4 - 2026",
  "fetchedAt": "2026-09-19T06:04:20.254Z",
  "normalizationConfidence": 0.95,
  "warnings": []
}

Parsed specification table

{
  "Rahmen": "OCLV Mountain Carbon, Rahmenmaterial: Carbon, Federweg hinten: 120 mm, Besonderheiten: Internes Staufach, konisches Steuerrohr, interne Zugführung, Unterrohrschutz, Alu-Umlenkhebel, vierfach verstellbarer Mino Link, ABP, Boost148, Farbe: Dark Star",
  "Gabel": "Fox Factory 36 SL (XL, ML, M, L) | RockShox Pike Ultimate (S), Federweg: 130 mm, Kashima Beschichtung: Ja, Dämpfung: Float EVOL Luftfeder GRIP X (Fox) | DebonAir-Feder Charger 3.1 RC2 (RockShox), Offset: 44 mm, Achse: Boost110 15 mm Kabolt X (Fox) | Boost110 Maxle Stealth (RockShox)",
  "Dämpfer": "Fox Factory Float mit Kashima Beschichtung",
  "Schaltwerk": "Shimano XTR Di2 M9250 (elektronisch)",
  "Kurbel": "e*thirteen TRS Race Carbon, Kettenblatt: 30 Zähne, Kurbelarmlänge: 170 mm, Kettenlinie: 55 mm",
  "Kassette": "Shimano XTR M9200 (10-51 Zähne)",
  "Tretlager": "e*thirteen BB20-P, BSA-Gewinde, 73 mm Breite",
  "Bremsen": "Shimano XTR M9220 hydraulische Scheibenbremse",
  "Laufräder": "Bontrager Line Pro 30, Durchmesser: 29 Zoll (XL, ML, M, L) | 27.5 Zoll (S)",
  "Reifen": "Bontrager Gunnison RSL XT (vorne) / Montrose RSL XT (hinten), Größe: 29 x 2.40 Zoll (XL, ML, M, L) | 27.5 x 2.40 Zoll (S), Breite: 2.4 Zoll, Eigenschaften: Tubeless-Ready, Dreifachmischung, Aramidwulstkern, 120 TPI",
  "Lenker": "Bontrager Line Pro, Material: OCLV Carbon, Breite: 780 mm, Rise: 27.5 mm, Klemmung: 35 mm",
  "Griffe": "Trek Line Elite, Schraubklemmung",
  "Sattel": "Verse Short Pro, Carbonstreben, 145 mm Breite",
  "Sattelstütze": "Fox Transfer Neo (absenkbar), Durchmesser: 34.9 mm, Hub: 200 mm (XL, L) | 175 mm (ML) | 150 mm (S, M)",
  "Rahmenmaterial": "Carbon",
  "Federweg hinten": "120 mm"
}

Raw adapter output

{
  "retailer": "mount7",
  "retailerProductId": "feea7e2f4bfa77a9daf9c4efa0f5471a",
  "productUrl": "https://www.mount7.com/trek-top-fuel-9-9-xtr-di2-gen-4-2026.html",
  "extractionMethod": "json-ld",
  "sourceCategory": "mtb",
  "rawTitle": "Trek Top Fuel 9.9 XTR Di2 Gen 4 - 2026",
  "rawBrand": "Trek",
  "price": 8499,
  "originalPrice": null,
  "currency": "EUR",
  "imageUrl": "https://www.mount7.com/out/pictures/ys_generated/320_255_75/out/pictures/master/product/1/TopFuel99-26-52232-A-Primary.jpg",
  "rawSpecifications": {
    "Rahmen": "OCLV Mountain Carbon, Rahmenmaterial: Carbon, Federweg hinten: 120 mm, Besonderheiten: Internes Staufach, konisches Steuerrohr, interne Zugführung, Unterrohrschutz, Alu-Umlenkhebel, vierfach verstellbarer Mino Link, ABP, Boost148, Farbe: Dark Star",
    "Gabel": "Fox Factory 36 SL (XL, ML, M, L) | RockShox Pike Ultimate (S), Federweg: 130 mm, Kashima Beschichtung: Ja, Dämpfung: Float EVOL Luftfeder GRIP X (Fox) | DebonAir-Feder Charger 3.1 RC2 (RockShox), Offset: 44 mm, Achse: Boost110 15 mm Kabolt X (Fox) | Boost110 Maxle Stealth (RockShox)",
    "Dämpfer": "Fox Factory Float mit Kashima Beschichtung",
    "Schaltwerk": "Shimano XTR Di2 M9250 (elektronisch)",
    "Kurbel": "e*thirteen TRS Race Carbon, Kettenblatt: 30 Zähne, Kurbelarmlänge: 170 mm, Kettenlinie: 55 mm",
    "Kassette": "Shimano XTR M9200 (10-51 Zähne)",
    "Tretlager": "e*thirteen BB20-P, BSA-Gewinde, 73 mm Breite",
    "Bremsen": "Shimano XTR M9220 hydraulische Scheibenbremse",
    "Laufräder": "Bontrager Line Pro 30, Durchmesser: 29 Zoll (XL, ML, M, L) | 27.5 Zoll (S)",
    "Reifen": "Bontrager Gunnison RSL XT (vorne) / Montrose RSL XT (hinten), Größe: 29 x 2.40 Zoll (XL, ML, M, L) | 27.5 x 2.40 Zoll (S), Breite: 2.4 Zoll, Eigenschaften: Tubeless-Ready, Dreifachmischung, Aramidwulstkern, 120 TPI",
    "Lenker": "Bontrager Line Pro, Material: OCLV Carbon, Breite: 780 mm, Rise: 27.5 mm, Klemmung: 35 mm",
    "Griffe": "Trek Line Elite, Schraubklemmung",
    "Sattel": "Verse Short Pro, Carbonstreben, 145 mm Breite",
    "Sattelstütze": "Fox Transfer Neo (absenkbar), Durchmesser: 34.9 mm, Hub: 200 mm (XL, L) | 175 mm (ML) | 150 mm (S, M)",
    "Rahmenmaterial": "Carbon",
    "Federweg hinten": "120 mm"
  },
  "rawFeatures": [
    "Diese Maschine ist gebaut, um Trails zu dominieren: Dein Puls steigt, die Linie wird klarer und alles unter Dir reagiert sofort. Das Top Fuel 9.9 XTR Di2 Gen 4 verwandelt jede Anstrengung in Vortrieb – bergauf explosiv, bergab kontrolliert und stets mit dem Gefühl, die Strecke zu beherrschen.<br><br>Du spürst das Ergebnis in jedem Tritt. Der ultraleichte OCLV Mountain Carbon-Rahmen kombiniert maximale Steifigkeit mit einem überraschend direkten Fahrgefühl, die e*thirteen TRS Race Carbon-Kurbel und die Shimano XTR Di2-Elektronik sorgen für kompromisslose Effizienz und blitzsaubere Gangwechsel. Die 30-Zahn-Kettenblatt- und 10–51er-Kassette geben Dir eine Bandbreite, die sowohl steile Anstiege als auch schnellen Trail-Flow erlaubt – damit Du mehr Zeit im Sprint und weniger im Grübeln verbringst.<br><br>Wenn das Gelände rauer wird, zeigt das Top Fuel seine wahre Klasse: Die Kombination aus Fox Factory 36-Gabel (130 mm) und Fox Float Dämpfer (120 mm) schluckt grobe Abschnitte sensibel, bleibt aber firm bei hartem Einsatz. Das Ergebnis ist ein Fahrwerk, das Dir Vertrauen schenkt – Du kannst die Geschwindigkeit anziehen, die Linie halten und auf den Punkt bremsen. Unterstützt wird das von der ABP-Hinterbaukonstruktion, dem Boost148-Standard und dem vierfach verstellbaren Mino Link für fein abgestimmte Geometrie je nach Einsatz.<br><br>Deine Kontrolle kommt aus durchdachten Details: die kraftvollen Shimano XTR M9220-Bremsen packen zuverlässig, die Bontrager Line Pro 30-Carbonlaufräder liefern unaufgeregte Steifigkeit und die 2.4\" Tubeless-Ready Reifen bieten beeindruckenden Grip. Der 780 mm breite Carbonlenker gibt Dir Hebel und Ruhe in ruppigem Gelände, die absenkbare Fox Transfer Neo-Sattelstütze macht technische Abfahrten zum Kinderspiel.<br><br>Kurz: Dieses Bike ist der kompromisslose Allrounder für Trail-Enthusiasten, die Geschwindigkeit, Präzision und Agilität verlangen. Wenn Du ein Rad suchst, das Dich schneller, sicherer und mit mehr Spaß durch jeden Trail bringt, ist das Top Fuel Dein Werkzeug – fahr los und entdecke, wie weit Deine Grenzen verschiebbar sind."
  ],
  "rawSizes": [
    {
      "rawSize": "S",
      "size": "S",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 8499,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "XL",
      "size": "XL",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 8499,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "L",
      "size": "L",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 8499,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "M",
      "size": "M",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 8499,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "ML",
      "size": "M/L",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 8499,
      "preorder": false,
      "deliveryNote": null
    }
  ],
  "availabilityText": "sizes 5: 0 stocked, 0 order-only",
  "fetchedAt": "2026-09-19T06:04:20.254Z",
  "sourceMeta": {
    "skus": [
      "0197216179849",
      "0197216179887",
      "0197216179870",
      "0197216179856",
      "0197216179863"
    ],
    "shopSkus": [
      "M7-27670:0003",
      "M7-27670:0004",
      "M7-27670:0000",
      "M7-27670:0001",
      "M7-27670:0002"
    ],
    "productGroupId": "feea7e2f4bfa77a9daf9c4efa0f5471a",
    "shopCategory": "MTB-Fullys",
    "variantCount": 5,
    "availabilities": [
      "https://schema.org/OutOfStock",
      "https://schema.org/OutOfStock",
      "https://schema.org/OutOfStock",
      "https://schema.org/OutOfStock",
      "https://schema.org/OutOfStock"
    ],
    "listingStock": null
  }
}

Impressum · Privacy · Contact · About BikeFind