← Review table (mtb) · shopper page
bikeexchange:trek_marlin_4_29_2026 · source URL · confidence 0.83 · GTIN 0197216252078
Can win a band.
| retailer label | alpha | comparable cm | match | mapping | in stock | variant price | evidence |
|---|---|---|---|---|---|---|---|
| M-L | M/L | — | unknown | unsupported | yes | €579 | — |
| L | L | — | unknown | unsupported | yes | €579 | — |
| mapping | unsupported |
|---|---|
| reason | Trek 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
Canonical configuration: Trek | Marlin 4 Gen 3 | Altus | 2027
Confidence: high
| retailer | price | sizes in stock | |
|---|---|---|---|
| Liquid-Life | €579 | none | debug |
| Bike-Mailorder | €579 | S, M, XXL | debug |
| Bike-Mailorder | €579 | M, ML, L, XL | debug |
| Bike-Mailorder | €579 | S, ML | debug |
| bikes.de | €579 | XS | (29/27,5"), S | (29/27,5"), M | (29/27,5") | debug |
| BikeExchange | €579 | XS, S | debug |
| BikeExchange | €579 | M-L, L | debug |
| field | source | evidence |
|---|---|---|
| brand | retailer:bikeexchange / parse | Trek |
| model | retailer:bikeexchange / derived | Trek Marlin 4 29 |
| modelYear | retailer:bikeexchange / parse | Jahr: 2026 |
| category | retailer:bikeexchange / derived | retailer taxonomy |
| frameMaterial | retailer:bikeexchange / parse | Aluminum |
| groupsetFamily | retailer:bikeexchange / dictionary | Shimano M315, 8-speed |
| electronicShifting | retailer:bikeexchange / derived | Shimano M315, 8-speed |
| speeds | retailer:bikeexchange / parse | 8-speed |
| brakes | retailer:bikeexchange / parse | hydraulic disc |
| suspension | retailer:bikeexchange / derived | suspension fork "SR Suntour XCE 28, coil spring, preload, 46 mm offset for 29" and no rear shock in a 22-field spec table |
| fork | retailer:bikeexchange / parse | SR Suntour XCE 28, coil spring, preload, 46 mm offset for 29" wheels, 100 mm QR, 100 mm travel |
| dropperPost | retailer:bikeexchange / derived | seatpost row "Bontrager alloy, 31.6 mm, 12 mm offset — M: 330 mm; ML–XXL: " names no dropper, in a 22-field spec table |
| beltDrive | retailer:bikeexchange / parse | KMC |
| powerMeter | retailer:bikeexchange / derived | absent from a 22-field spec table |
| availability | retailer:bikeexchange / derived | sizes 2: 2 stocked, 0 gone, 0 unread |
| seller | retailer:bikeexchange / parse | L: Radwerk Saar |
info wheel-material-unknown — Wheel material could not be established.{
"frameScore": 11,
"drivetrainScore": 3,
"wheelScore": 5,
"extrasScore": 0,
"suspensionScore": 0,
"weightAdjustment": 0,
"equipmentValue": 19,
"notes": [
"Shimano Altus = 7.",
"8-speed -4.",
"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": 582,
"valueScore": 1.005,
"savingsVsMarket": 3
}
{
"requested": [
"wheelMaterial",
"wheelTier",
"weightKg"
],
"applied": [],
"rejected": [],
"notes": "Wheel material and wheelset tier are not stated (only 'Bontrager Connection' is named, without material). Complete bike weight is not given. Electronic shifting is not explicitly stated; shifter model is mechanical but source does not explicitly say 'mechanical' so electronicShifting left null. Mixed-groupset not set because evidence showing multiple different component families cannot be provided as a single verbatim substring.",
"raw": {
"frameMaterial": {
"value": "aluminium",
"evidence": "Rahmenmaterial: Aluminium",
"confidence": 0.9
},
"groupsetBrand": {
"value": "Shimano",
"evidence": "Shimano Cues",
"confidence": 0.9
},
"groupsetFamily": {
"value": "CUES",
"evidence": "Shimano Cues",
"confidence": 0.8
},
"electronicShifting": {
"value": null,
"evidence": null,
"confidence": 0.5
},
"speeds": {
"value": "8",
"evidence": "Schalthebel: Shimano M315, 8-speed",
"confidence": 0.9
},
"mixedGroupset": {
"value": null,
"evidence": null,
"confidence": 0.5
},
"wheelMaterial": {
"value": null,
"evidence": null,
"confidence": 0.5
},
"wheelTier": {
"value": null,
"evidence": null,
"confidence": 0.5
},
"brakes": {
"value": "hydraulic-disc",
"evidence": "Bremse: Tektro HD-M275 and/or Power BH-M286TF hydraulic disc brakes",
"confidence": 0.9
},
"weightKg": {
"value": null,
"evidence": null,
"confidence": 0.5
},
"powerMeter": {
"value": null,
"evidence": null,
"confidence": 0.5
},
"notes": "Wheel material and wheelset tier are not stated (only 'Bontrager Connection' is named, without material). Complete bike weight is not given. Electronic shifting is not explicitly stated; shifter model is mechanical but source does not explicitly say 'mechanical' so electronicShifting left null. Mixed-groupset not set because evidence showing multiple different component families cannot be provided as a single verbatim substring."
}
}
{
"id": "bikeexchange:trek_marlin_4_29_2026",
"retailer": "bikeexchange",
"retailerProductId": "trek_marlin_4_29_2026",
"productUrl": "https://www.bikeexchange.de/de-DE/products/trek_marlin_4_29_2026?sku=TRE_0000651815",
"brand": "Trek",
"model": "Marlin 4 29",
"modelYear": 2026,
"category": "mtb",
"categoryBasis": "route",
"sourceCategory": "mtb",
"price": 579,
"originalPrice": null,
"currency": "EUR",
"discountPercent": null,
"frameMaterial": "aluminium",
"frameModel": "Alpha Silver Aluminum, internal rear derailleur and dropper post routing, 135x5 mm QR",
"frameTier": null,
"groupsetBrand": "Shimano",
"groupsetFamily": "Altus",
"groupsetGeneration": null,
"electronicShifting": false,
"speeds": 8,
"mixedGroupset": false,
"groupsetComponents": {
"shifters": "Altus"
},
"groupsetTierSpread": 0,
"crank": "ProWheel light alloy, 32T narrow-wide steel chainring — M, ML: 170 mm; L, XL, XXL: 175 mm",
"cassette": "Shimano HG300, 11-45, 8-speed",
"brakes": "hydraulic-disc",
"brakePistons": null,
"brakeTier": "unknown",
"suspension": "front",
"fork": {
"make": "SR Suntour",
"line": "XCE",
"tier": "unknown",
"travelMm": 100
},
"rearShock": null,
"dropperPost": false,
"beltDrive": false,
"hubDynamo": null,
"rack": null,
"mudguards": null,
"chaincase": null,
"kickstand": null,
"lighting": null,
"wheelSize": null,
"wheelset": "Bontrager Connection, double-walled, 32-hole, 20 mm internal width; Formula DC-20/22 hubs; 100/135 mm QR",
"wheelMaterial": "unknown",
"wheelTier": "unknown",
"tyres": "Bontrager Montrose Comp, steel bead, 30 tpi, 29 x 2.40\"",
"weightKg": null,
"powerMeter": false,
"powerMeterKind": null,
"availableSizes": [
{
"rawSize": "M-L",
"size": "M/L",
"sizeCm": null,
"inStock": true,
"stockCount": null,
"price": 579,
"seller": null,
"deliveryNote": null
},
{
"rawSize": "L",
"size": "L",
"sizeCm": null,
"inStock": true,
"stockCount": null,
"price": 579,
"seller": "Radwerk Saar",
"deliveryNote": "Reguläre Lieferzeit 6 Tage"
}
],
"seller": "Radwerk Saar",
"availability": "in-stock",
"gtins": [
"0197216252078"
],
"imageUrl": "https://images.cdn.europe-west1.gcp.commercetools.com/078b97e9-ed31-4c81-baae-cdd44f3bf3c1/f9e2266cdd1d059b2bb9-U4Ils7GR.png",
"rawTitle": "Trek Marlin 4 29",
"fetchedAt": "2026-09-19T05:33:00.828Z",
"normalizationConfidence": 0.83,
"warnings": [
{
"code": "wheel-material-unknown",
"message": "Wheel material could not be established.",
"severity": "info"
}
]
}
{
"Rahmenmaterial": "Aluminium",
"Rahmen": "Alpha Silver Aluminum, internal rear derailleur and dropper post routing, 135x5 mm QR",
"Zulässiges Gesamtgewicht": "136 kg (300 lbs), including bike, rider, and cargo",
"Bremse": "Tektro HD-M275 and/or Power BH-M286TF hydraulic disc brakes",
"Bremsscheiben": "Tektro, 6-bolt — 160 mm front/rear (M); 180 mm front/rear (ML–XXL)",
"Bremshebel": "Integrated hydraulic levers (Tektro / Power, varies by size)",
"Reifen": "Bontrager Montrose Comp, steel bead, 30 tpi, 29 x 2.40\"",
"Laufräder": "Bontrager Connection, double-walled, 32-hole, 20 mm internal width; Formula DC-20/22 hubs; 100/135 mm QR",
"Vorbau": "Bontrager Comp, 31.8 mm, 7° — M, ML, L: 50 mm; XL: 60 mm; XXL: 70 mm",
"Steuersatz": "Semi-integrated, 1-1/8\"",
"Kassette": "Shimano HG300, 11-45, 8-speed",
"Schaltung": "1x8-speed drivetrain",
"Kurbelgarnitur": "ProWheel light alloy, 32T narrow-wide steel chainring — M, ML: 170 mm; L, XL, XXL: 175 mm",
"Pedale": "Nylon platform",
"Schalthebel": "Shimano M315, 8-speed",
"Kette / Riemen": "KMC Z8.3, 8-speed",
"Sattel": "Bontrager Verse Short, stainless steel rails",
"Sattelstütze": "Bontrager alloy, 31.6 mm, 12 mm offset — M: 330 mm; ML–XXL: 400 mm",
"Federweg vorne": "100mm",
"Gabelhersteller": "SR Suntour",
"Gabel": "SR Suntour XCE 28, coil spring, preload, 46 mm offset for 29\" wheels, 100 mm QR, 100 mm travel",
"Jahr": "2026"
}
{
"retailer": "bikeexchange",
"retailerProductId": "trek_marlin_4_29_2026",
"productUrl": "https://www.bikeexchange.de/de-DE/products/trek_marlin_4_29_2026?sku=TRE_0000651815",
"extractionMethod": "embedded-json",
"sourceCategory": "mtb",
"rawTitle": "Trek Marlin 4 29",
"rawBrand": "Trek",
"price": 579,
"originalPrice": null,
"currency": "EUR",
"imageUrl": "https://images.cdn.europe-west1.gcp.commercetools.com/078b97e9-ed31-4c81-baae-cdd44f3bf3c1/f9e2266cdd1d059b2bb9-U4Ils7GR.png",
"rawSpecifications": {
"Rahmenmaterial": "Aluminium",
"Rahmen": "Alpha Silver Aluminum, internal rear derailleur and dropper post routing, 135x5 mm QR",
"Zulässiges Gesamtgewicht": "136 kg (300 lbs), including bike, rider, and cargo",
"Bremse": "Tektro HD-M275 and/or Power BH-M286TF hydraulic disc brakes",
"Bremsscheiben": "Tektro, 6-bolt — 160 mm front/rear (M); 180 mm front/rear (ML–XXL)",
"Bremshebel": "Integrated hydraulic levers (Tektro / Power, varies by size)",
"Reifen": "Bontrager Montrose Comp, steel bead, 30 tpi, 29 x 2.40\"",
"Laufräder": "Bontrager Connection, double-walled, 32-hole, 20 mm internal width; Formula DC-20/22 hubs; 100/135 mm QR",
"Vorbau": "Bontrager Comp, 31.8 mm, 7° — M, ML, L: 50 mm; XL: 60 mm; XXL: 70 mm",
"Steuersatz": "Semi-integrated, 1-1/8\"",
"Kassette": "Shimano HG300, 11-45, 8-speed",
"Schaltung": "1x8-speed drivetrain",
"Kurbelgarnitur": "ProWheel light alloy, 32T narrow-wide steel chainring — M, ML: 170 mm; L, XL, XXL: 175 mm",
"Pedale": "Nylon platform",
"Schalthebel": "Shimano M315, 8-speed",
"Kette / Riemen": "KMC Z8.3, 8-speed",
"Sattel": "Bontrager Verse Short, stainless steel rails",
"Sattelstütze": "Bontrager alloy, 31.6 mm, 12 mm offset — M: 330 mm; ML–XXL: 400 mm",
"Federweg vorne": "100mm",
"Gabelhersteller": "SR Suntour",
"Gabel": "SR Suntour XCE 28, coil spring, preload, 46 mm offset for 29\" wheels, 100 mm QR, 100 mm travel",
"Jahr": "2026"
},
"rawFeatures": [
"Aluminium",
"Shimano Cues",
"29\"",
"Beschreibung"
],
"rawSizes": [
{
"rawSize": "M-L",
"size": "M/L",
"sizeCm": null,
"inStock": true,
"stockCount": null,
"price": 579,
"seller": null,
"deliveryNote": null
},
{
"rawSize": "L",
"size": "L",
"sizeCm": null,
"inStock": true,
"stockCount": null,
"price": 579,
"seller": "Radwerk Saar",
"deliveryNote": "Reguläre Lieferzeit 6 Tage"
}
],
"availabilityText": "sizes 2: 2 stocked, 0 gone, 0 unread",
"fetchedAt": "2026-09-19T05:33:00.828Z",
"sourceMeta": {
"skus": [
"197216252078"
],
"shopSkus": [
"TRE_0000651815",
"TRE_0000651824",
"TRE_0000651815"
],
"seller": "Radwerk Saar",
"sellerOfSize": "L",
"sellerId": "4488c715-027d-4510-bf7a-d66411f8af17",
"storeKey": "store_01KCRG2A2PVHHD20CB3Q5V88G5_eur",
"storeCity": "Ballern",
"storeCountry": "DE",
"storeDelivers": true,
"storeClickAndCollect": true,
"storeReservation": true,
"storeDeliveryTime": "P6D",
"shippingPrice": 70,
"hasMoreSellers": true,
"condition": "NEW",
"ctProductId": "cf1416a1-aa78-4f08-9d6a-9936dad25b68",
"shopCategory": "Hardtail",
"colourCount": 2,
"fetchedSku": "TRE_0000651815"
}
}