← Review table (mtb) · shopper page

Top Fuel 8 Gen 4 - Matte Dark Web

bike-mailorder:9619293536520 · source URL · confidence 0.83 · GTIN 0601842985427, 0601842985434, 0601842985441, 0601842985458 +1

Eligibility

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

Size decisions

retailer labelalphacomparable cmmatchmappingin stockvariant priceevidence
S (27.5")Sunknownunsupportedno€3.999
M (29")Munknownunsupportedno€3.999
ML (29")M/Lunknownunsupportedno€3.999
L (29")Lunknownunsupportedno€3.999
XL (29")XLunknownunsupportedno€3.999
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:bike-mailorder / parseTrek
modelretailer:bike-mailorder / derivedTop Fuel 8 Gen 4 - Matte Dark Web
categoryretailer:bike-mailorder / derivedretailer taxonomy
frameMaterialretailer:bike-mailorder / parseAluminium
groupsetFamilyretailer:bike-mailorder / dictionaryShimano XT M8100, 12fach || Shimano XT M8100, langer Käfig
electronicShiftingretailer:bike-mailorder / derivedShimano XT M8100, 12fach || Shimano XT M8100, langer Käfig
speedsretailer:bike-mailorder / parse12-fach
brakesretailer:bike-mailorder / parseHydraulische
brakeTierretailer:bike-mailorder / dictionaryM6100
brakePistonsretailer:bike-mailorder / parse4-Kolben
suspensionretailer:bike-mailorder / derivedrear shock row: Fox Performance Float DPS, 3-Positionen-Dämpfung, 185x50 mm
forkretailer:bike-mailorder / dictionaryFox Rhythm 34, Float EVOL-Luftfeder, GRIP-Dämpfung, konischer Gabelschaft, 44 mm Vorbiegung, Boost110, 15-mm-Kabolt-Achs
rearShockretailer:bike-mailorder / dictionaryFox Performance Float DPS, 3-Positionen-Dämpfung, 185x50 mm
weightKgretailer:bike-mailorder / parseGewicht: M - 14,58 kg / 32,15 lbs (mit TLR-Reifendichtmittel, ohne Schläuche)
powerMeterretailer:bike-mailorder / derivedabsent from a 26-field spec table
availabilityretailer:bike-mailorder / derivedall variants sold out

Warnings

Score breakdown

{
  "frameScore": 11,
  "drivetrainScore": 8,
  "wheelScore": 5,
  "extrasScore": 2,
  "suspensionScore": 9,
  "weightAdjustment": 0.2,
  "equipmentValue": 35.2,
  "notes": [
    "Shimano XT = 10.",
    "Mixed groupset -2: crank is Deore, 26 tier below XT, cassette is SLX, 14 tier below XT.",
    "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-full.",
    "14.58 kg vs 14.7 kg mtb-full reference = +0.2.",
    "Fork \"entry\" +5 (130 mm travel, which is not scored).",
    "Rear shock \"mid\" +4.",
    "Brake series \"entry\" +2."
  ],
  "marketPrice": 3381,
  "valueScore": 0.845,
  "savingsVsMarket": -618
}

AI normalization

{
  "requested": [
    "wheelMaterial",
    "wheelTier"
  ],
  "applied": [],
  "rejected": [],
  "notes": "Wheelset is listed as \"Bontrager Line Comp 30, Tubeless Ready\" but no material is stated; wheel tier cannot be assigned from the provided text. Groupset components come from multiple Shimano families (XT, Deore, SLX) so no single groupsetFamily from the vocabulary applies.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Alpha Platinum Aluminium",
      "confidence": 0.95
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Schalthebel: Shimano XT M8100, 12fach",
      "confidence": 0.95
    },
    "groupsetFamily": {
      "value": null,
      "evidence": null,
      "confidence": 0.2
    },
    "electronicShifting": {
      "value": null,
      "evidence": null,
      "confidence": 0.2
    },
    "speeds": {
      "value": "12",
      "evidence": "Schalthebel: Shimano XT M8100, 12fach",
      "confidence": 0.95
    },
    "mixedGroupset": {
      "value": "true",
      "evidence": "Schalthebel: Shimano XT M8100, 12fach\nSchaltwerk: Shimano XT M8100, langer Käfig\nKurbel: Shimano Deore M6120, 30 Z, 55 mm Kettenlinie, 170 mm Kurbelarmlänge\nKassette: Shimano SLX M7100, 10-51 Zähne, 12-fach",
      "confidence": 0.9
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 0.15
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 0.15
    },
    "brakes": {
      "value": "hydraulic-disc",
      "evidence": "Bremse: Hydraulische 4-Kolben-Scheibenbremse von Shimano, M6100 Bremshebel, M6120 Bremssattel",
      "confidence": 0.95
    },
    "weightKg": {
      "value": "14.58",
      "evidence": "Gewicht: M - 14,58 kg / 32,15 lbs (mit TLR-Reifendichtmittel, ohne Schläuche)",
      "confidence": 0.9
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 0.2
    },
    "notes": "Wheelset is listed as \"Bontrager Line Comp 30, Tubeless Ready\" but no material is stated; wheel tier cannot be assigned from the provided text. Groupset components come from multiple Shimano families (XT, Deore, SLX) so no single groupsetFamily from the vocabulary applies."
  }
}

Normalized record

{
  "id": "bike-mailorder:9619293536520",
  "retailer": "bike-mailorder",
  "retailerProductId": "9619293536520",
  "productUrl": "https://www.bike-mailorder.com/products/trek-top-fuel-8-gen-4-matte-dark-web",
  "brand": "Trek",
  "model": "Top Fuel 8 Gen 4",
  "modelYear": null,
  "category": "mtb",
  "categoryBasis": "route",
  "sourceCategory": "mtb",
  "price": 3999,
  "originalPrice": null,
  "currency": "EUR",
  "discountPercent": null,
  "frameMaterial": "aluminium",
  "frameModel": "Alpha Platinum Aluminium, internes Staufach, konisches Steuerrohr, interne Zugführung, Unterrohrschutz, Alu-Umlenkhebel, vierfach verstellbarer Mino Link, ABP, ",
  "frameTier": null,
  "groupsetBrand": "Shimano",
  "groupsetFamily": "XT",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": 12,
  "mixedGroupset": true,
  "groupsetComponents": {
    "shifters": "XT",
    "rearDerailleur": "XT",
    "crank": "Deore",
    "cassette": "SLX"
  },
  "groupsetTierSpread": 26,
  "crank": "Shimano Deore M6120, 30 Z, 55 mm Kettenlinie, 170 mm Kurbelarmlänge",
  "cassette": "Shimano SLX M7100, 10-51 Zähne, 12-fach",
  "brakes": "hydraulic-disc",
  "brakePistons": 4,
  "brakeTier": "entry",
  "suspension": "full",
  "fork": {
    "make": "FOX",
    "line": "34",
    "tier": "entry",
    "travelMm": 130
  },
  "rearShock": {
    "make": "FOX",
    "line": "Float DPS",
    "tier": "mid"
  },
  "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": 14.58,
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "S (27.5\")",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 3999,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "M (29\")",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 3999,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "ML (29\")",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 3999,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "L (29\")",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 3999,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "XL (29\")",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 3999,
      "preorder": false,
      "deliveryNote": null
    }
  ],
  "seller": null,
  "availability": "out-of-stock",
  "gtins": [
    "0601842985427",
    "0601842985434",
    "0601842985441",
    "0601842985458",
    "0601842985465"
  ],
  "imageUrl": "https://cdn.shopify.com/s/files/1/0901/7085/1592/files/TREK-TopFuel8Gen4-MatteDarkWeb-1.jpg?v=1737068663",
  "rawTitle": "Top Fuel 8 Gen 4 - Matte Dark Web",
  "fetchedAt": "2026-09-19T05:05:56.181Z",
  "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\":\"XT\",\"rearDerailleur\":\"XT\",\"crank\":\"Deore\",\"cassette\":\"SLX\"}. Ranked on the shifting level, with a penalty.",
      "severity": "info"
    }
  ]
}

Parsed specification table

{
  "Rahmen": "Alpha Platinum Aluminium, internes Staufach, konisches Steuerrohr, interne Zugführung, Unterrohrschutz, Alu-Umlenkhebel, vierfach verstellbarer Mino Link, ABP, Boost148, 120 mm Federweg",
  "Gabel": "Fox Rhythm 34, Float EVOL-Luftfeder, GRIP-Dämpfung, konischer Gabelschaft, 44 mm Vorbiegung, Boost110, 15-mm-Kabolt-Achse, 130 mm Federweg",
  "Dämpfer": "Fox Performance Float DPS, 3-Positionen-Dämpfung, 185x50 mm",
  "Max. kompatibler Gabelfederweg": "140 mm",
  "HR-Schnellspanner": "Bontrager Switch-Steckachse, abnehmbarer Hebel",
  "Reifen-Ersatzteil": "Bontrager TLR-Dichtmittel, 177 ml",
  "Felgenband": "Bontrager TLR",
  "Max. Reifengröße": "Rahmen: 29 x 2.50\"",
  "Schalthebel": "Shimano XT M8100, 12fach",
  "Schaltwerk": "Shimano XT M8100, langer Käfig",
  "Kurbel": "Shimano Deore M6120, 30 Z, 55 mm Kettenlinie, 170 mm Kurbelarmlänge",
  "Tretlager": "Shimano BB-MT501, BSA-Gewinde",
  "Kassette": "Shimano SLX M7100, 10-51 Zähne, 12-fach",
  "Kette": "Shimano SLX M7100, 12fach",
  "Max. Kettenblattgröße": "1x: 34 Zähne, min. 30 Zähne",
  "Sattel": "Bontrager Verse P3, CrMo-Streben",
  "Lenker": "Bontrager Line, Aluminium, 35 mm, 27,5 mm Rise, 780 mm Breite",
  "Griffe": "Bontrager XR Trail Comp, Nylonklemme",
  "Vorbau": "Bontrager Elite, 35 mm, 0 Grad, 45 mm Länge",
  "Bremse": "Hydraulische 4-Kolben-Scheibenbremse von Shimano, M6100 Bremshebel, M6120 Bremssattel",
  "Bremsscheibe": "Shimano RT66, 6-Loch, 180 mm",
  "Bremsscheibendurchmesser": "Max. Bremsscheibendurchmesser: Rahmen: 200 mm (min. 180 mm)",
  "Tasche": "Bontrager BITS Integrierte Rahmentasche",
  "Gewicht": "M - 14,58 kg / 32,15 lbs (mit TLR-Reifendichtmittel, ohne Schläuche)",
  "Max. Gewicht": "Dieses Fahrrad hat eine maximale Gewichtsbeschränkung (Fahrrad, Fahrer:in und Beladung) von 136 kg.",
  "Disziplin": "All Mountain & Trail Bikes, Bike, Bikes, Herren oder Unisex, Mountainbikes, MTB Fullys, Spedition"
}

Raw adapter output

{
  "retailer": "bike-mailorder",
  "retailerProductId": "9619293536520",
  "productUrl": "https://www.bike-mailorder.com/products/trek-top-fuel-8-gen-4-matte-dark-web",
  "extractionMethod": "public-json-api",
  "sourceCategory": "mtb",
  "rawTitle": "Top Fuel 8 Gen 4 - Matte Dark Web",
  "rawBrand": "Trek",
  "price": 3999,
  "originalPrice": null,
  "currency": "EUR",
  "imageUrl": "https://cdn.shopify.com/s/files/1/0901/7085/1592/files/TREK-TopFuel8Gen4-MatteDarkWeb-1.jpg?v=1737068663",
  "rawSpecifications": {
    "Rahmen": "Alpha Platinum Aluminium, internes Staufach, konisches Steuerrohr, interne Zugführung, Unterrohrschutz, Alu-Umlenkhebel, vierfach verstellbarer Mino Link, ABP, Boost148, 120 mm Federweg",
    "Gabel": "Fox Rhythm 34, Float EVOL-Luftfeder, GRIP-Dämpfung, konischer Gabelschaft, 44 mm Vorbiegung, Boost110, 15-mm-Kabolt-Achse, 130 mm Federweg",
    "Dämpfer": "Fox Performance Float DPS, 3-Positionen-Dämpfung, 185x50 mm",
    "Max. kompatibler Gabelfederweg": "140 mm",
    "HR-Schnellspanner": "Bontrager Switch-Steckachse, abnehmbarer Hebel",
    "Reifen-Ersatzteil": "Bontrager TLR-Dichtmittel, 177 ml",
    "Felgenband": "Bontrager TLR",
    "Max. Reifengröße": "Rahmen: 29 x 2.50\"",
    "Schalthebel": "Shimano XT M8100, 12fach",
    "Schaltwerk": "Shimano XT M8100, langer Käfig",
    "Kurbel": "Shimano Deore M6120, 30 Z, 55 mm Kettenlinie, 170 mm Kurbelarmlänge",
    "Tretlager": "Shimano BB-MT501, BSA-Gewinde",
    "Kassette": "Shimano SLX M7100, 10-51 Zähne, 12-fach",
    "Kette": "Shimano SLX M7100, 12fach",
    "Max. Kettenblattgröße": "1x: 34 Zähne, min. 30 Zähne",
    "Sattel": "Bontrager Verse P3, CrMo-Streben",
    "Lenker": "Bontrager Line, Aluminium, 35 mm, 27,5 mm Rise, 780 mm Breite",
    "Griffe": "Bontrager XR Trail Comp, Nylonklemme",
    "Vorbau": "Bontrager Elite, 35 mm, 0 Grad, 45 mm Länge",
    "Bremse": "Hydraulische 4-Kolben-Scheibenbremse von Shimano, M6100 Bremshebel, M6120 Bremssattel",
    "Bremsscheibe": "Shimano RT66, 6-Loch, 180 mm",
    "Bremsscheibendurchmesser": "Max. Bremsscheibendurchmesser: Rahmen: 200 mm (min. 180 mm)",
    "Tasche": "Bontrager BITS Integrierte Rahmentasche",
    "Gewicht": "M - 14,58 kg / 32,15 lbs (mit TLR-Reifendichtmittel, ohne Schläuche)",
    "Max. Gewicht": "Dieses Fahrrad hat eine maximale Gewichtsbeschränkung (Fahrrad, Fahrer:in und Beladung) von 136 kg.",
    "Disziplin": "All Mountain & Trail Bikes, Bike, Bikes, Herren oder Unisex, Mountainbikes, MTB Fullys, Spedition"
  },
  "rawFeatures": [
    "Das Top Fuel 8 Gen 4 ist ein agiles Aluminium-Trailbike mit einer herausragenden Balance aus schneller Bergauf-Effizienz und hoher Bergab-Souveränität. Mit 130 mm vorderem und 120 mm hinterem Federweg ist es vielseitig genug, um Felsen und Wurzeln problemlos wegzustecken und Uphills effizient zu meistern. Es basiert auf einem leichten Rahmen aus Alpha Platinum Aluminium, der den Preis des Bikes erschwinglich hält, und kommt dort mit Performance-Upgrades, wo sie wichtig sind – wie die Shimano XT/SLX 12-Gang-Schaltung und die FOX Rhythm 34 Gabel.",
    "Rahmen: Alpha Platinum Aluminium, internes Staufach, konisches Steuerrohr, interne Zugführung, Unterrohrschutz, Alu-Umlenkhebel, vierfach verstellbarer Mino Link, ABP, Boost148, 120 mm Federweg",
    "Gabel: Fox Rhythm 34, Float EVOL-Luftfeder, GRIP-Dämpfung, konischer Gabelschaft, 44 mm Vorbiegung, Boost110, 15-mm-Kabolt-Achse, 130 mm Federweg",
    "Dämpfer: Fox Performance Float DPS, 3-Positionen-Dämpfung, 185x50 mm",
    "Max. kompatibler Gabelfederweg: 140 mm",
    "Größe: S: Bontrager Line Comp 30, Tubeless Ready, 6-Loch-Scheibenaufnahme, Boost110, 15 mm Steckachse, 27.5\"",
    "Größe: M, ML, L, XL: Bontrager Line Comp 30, Tubeless Ready, 6-Loch-Scheibenaufnahme, Boost110, 15 mm Steckachse, 29\"",
    "Größe: S: Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-Loch-Scheibenaufnahme, Boost148, 12 mm Steckachse, 27.5\"",
    "Größe: M, ML, L, XL: Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 54, 6-Loch-Scheibenaufnahme, Boost148, 12 mm Steckachse",
    "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, ML, L, XL: Bontrager Gunnison Pro XR, Tubeless-Ready, Zweikomponenten-Mischung, Aramidwulstkern, 60 TPI, 29 x 2.40"
  ],
  "rawSizes": [
    {
      "rawSize": "S (27.5\")",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 3999,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "M (29\")",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 3999,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "ML (29\")",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 3999,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "L (29\")",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 3999,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "XL (29\")",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 3999,
      "preorder": false,
      "deliveryNote": null
    }
  ],
  "availabilityText": "all variants sold out",
  "fetchedAt": "2026-09-19T05:05:56.181Z",
  "sourceMeta": {
    "shopifyProductId": 9619293536520,
    "handle": "trek-top-fuel-8-gen-4-matte-dark-web",
    "productType": "Bike",
    "tags": [
      "All Mountain & Trail Bikes",
      "Bike",
      "Bikes",
      "Herren oder Unisex",
      "Mountainbikes",
      "MTB Fullys",
      "Spedition"
    ],
    "skus": [
      "0601842985465",
      "0601842985458",
      "0601842985441",
      "0601842985434",
      "0601842985427"
    ],
    "articleNumbers": [
      "T16310296",
      "T16310296.1",
      "T16310296.2",
      "T16310296.3",
      "T16310296.4"
    ],
    "stockSource": "feed-sold-out",
    "backorderNote": null,
    "untrackedVariants": 0,
    "variantsNotInStockArray": 0,
    "bWareVariantsRemoved": []
  }
}

Impressum · Privacy · Contact · About BikeFind