← Review table (e-bike) · shopper page
bikeexchange:trek_powerfly_4_gen_3_29_2021 · source URL · confidence 0.95 · GTIN 0601842384756
Cannot win: e-bike bikes are not value-ranked yet (no e-bike-specific equipment model)
| retailer label | alpha | comparable cm | match | mapping | in stock | variant price | evidence |
|---|---|---|---|---|---|---|---|
| XL | XL | — | unknown | unsupported | yes | €3.699 | — |
| 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
Only listing of this configuration — nothing to merge.
| field | source | evidence |
|---|---|---|
| brand | retailer:bikeexchange / parse | Trek |
| model | retailer:bikeexchange / derived | Trek Powerfly 4 Gen 3 (29") |
| modelYear | retailer:bikeexchange / parse | Jahr: 2021 |
| category | retailer:bikeexchange / derived | retailer taxonomy |
| frameMaterial | retailer:bikeexchange / parse | Aluminium |
| groupsetFamily | retailer:bikeexchange / dictionary | Shimano Deore M4100, 10fach |
| electronicShifting | retailer:bikeexchange / derived | Shimano Deore M4100, 10fach |
| speeds | retailer:bikeexchange / parse | 10fach |
| brakes | retailer:bikeexchange / parse | hydraulische Scheibenbremse |
| suspension | retailer:bikeexchange / derived | suspension fork ", Größe XS: SR Suntour XCM 34, Spiralfeder, verstellbare Fed" and no rear shock in a 40-field spec table |
| fork | retailer:bikeexchange / parse | , Größe XS: SR Suntour XCM 34, Spiralfeder, verstellbare Federvorspannung, Lockout, konischer Gabelschaft, 44 mm Vorbieg |
| dropperPost | retailer:bikeexchange / derived | seatpost row "Bontrager aus Aluminium, 31,6 mm, 12 mm Versatz, Größe XS , " names no dropper, in a 40-field spec table |
| beltDrive | retailer:bikeexchange / parse | KMC |
| wheelSize | retailer:bikeexchange / parse | 29 |
| wheelMaterial | retailer:bikeexchange / parse | Aluminium |
| weightKg | retailer:bikeexchange / parse | Gewicht*: M – 23,37 kg |
| powerMeter | retailer:bikeexchange / derived | absent from a 40-field spec table |
| availability | retailer:bikeexchange / derived | sizes 1: 1 stocked, 0 gone, 0 unread |
| seller | retailer:bikeexchange / parse | XL: Fender Fahrradhaus GmbH |
| ebike.motor | retailer:bikeexchange / parse | Bosch | Bosch Performance CX, Motorgehäuse aus Magnesium, 250 Watt, 85 Nm, Unterstützung bis max. 25 km/h |
| ebike.motor.position | retailer:bikeexchange / parse | Mittelmotor |
| ebike.motor.torqueNm | retailer:bikeexchange / parse | 85 Nm |
| ebike.motor.power | retailer:bikeexchange / parse | Bosch | Bosch Performance CX, Motorgehäuse aus Magnesium, 250 Watt, 85 Nm, Unterstützung bis max. 25 km/h |
| ebike.battery.capacityWh | retailer:bikeexchange / parse | 500 Wh |
| ebike.battery.integration | retailer:bikeexchange / parse | PowerTube |
| ebike.battery.removable | retailer:bikeexchange / parse | herausnehmbarer |
| ebike.speedClass | retailer:bikeexchange / parse | Maximale Motorunterstützung: bis 25 km/h |
| ebike.eDiscipline | retailer:bikeexchange / parse | shelf: E-Hardtail |
| ebike.display | retailer:bikeexchange / parse | Display: Bosch Purion |
| ebike.maxSystemWeightKg | retailer:bikeexchange / parse | Zulässiges Gesamtgewicht: Dieses Fahrrad hat eine maximale Gewichtsbeschränkung (Fahrrad, Fahrer und Beladung) von 136 kg. |
info single-size-only — Only one size is in stock (XL).{
"frameScore": 11,
"drivetrainScore": 17,
"wheelScore": 5,
"extrasScore": 0,
"suspensionScore": 0,
"weightAdjustment": -3,
"equipmentValue": 30,
"notes": [
"Shimano Deore = 20.",
"10-speed -3.",
"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.",
"23.37 kg vs 14.4 kg mtb-hardtail reference = -3.",
"Fork series not stated: scored at the bottom of the fork ladder rather than assumed."
],
"marketPrice": null,
"valueScore": null,
"savingsVsMarket": null
}
{
"requested": [
"wheelMaterial",
"wheelTier"
],
"applied": [],
"rejected": [],
"notes": "The source names the wheelset as Bontrager Connection but does not establish its material; therefore wheelMaterial and wheelTier are unresolved. The drivetrain combines Shimano Deore shifting components with an FSA Bosch crank, so it is treated as mixed.",
"raw": {
"frameMaterial": {
"value": "aluminium",
"evidence": "Rahmen: Alpha Platinum Aluminium, herausnehmbarer integrierter Akku (RIB), konisches Steuerrohr, interne Control Freak-Zugführung, Motor Armor, Boost148, Größe XS , S: gebogenes Oberrohr, 12-mm-Steckachse",
"confidence": 1
},
"groupsetBrand": {
"value": "Shimano",
"evidence": "Shimano Deore M4100, 11-46 Z., 10fach",
"confidence": 1
},
"groupsetFamily": {
"value": "Deore",
"evidence": "Shimano Deore M4100, 11-46 Z., 10fach",
"confidence": 1
},
"electronicShifting": {
"value": null,
"evidence": null,
"confidence": 0
},
"speeds": {
"value": "10",
"evidence": "Shimano Deore M4100, 11-46 Z., 10fach",
"confidence": 1
},
"mixedGroupset": {
"value": "true",
"evidence": "Kurbel: FSA Bosch CK-220, 36 Z., 165 mm Kurbelarmlänge",
"confidence": 0.98
},
"wheelMaterial": {
"value": null,
"evidence": null,
"confidence": 0
},
"wheelTier": {
"value": null,
"evidence": null,
"confidence": 0
},
"brakes": {
"value": "hydraulic-disc",
"evidence": "Bremse: Tektro HD-M275, hydraulische Scheibenbremse",
"confidence": 1
},
"weightKg": {
"value": "23.37",
"evidence": "Gewicht*: M – 23,37 kg",
"confidence": 1
},
"powerMeter": {
"value": null,
"evidence": null,
"confidence": 0
},
"notes": "The source names the wheelset as Bontrager Connection but does not establish its material; therefore wheelMaterial and wheelTier are unresolved. The drivetrain combines Shimano Deore shifting components with an FSA Bosch crank, so it is treated as mixed."
}
}
{
"id": "bikeexchange:trek_powerfly_4_gen_3_29_2021",
"retailer": "bikeexchange",
"retailerProductId": "trek_powerfly_4_gen_3_29_2021",
"productUrl": "https://www.bikeexchange.de/de-DE/products/trek_powerfly_4_gen_3_29_2021?sku=TRE_0000130922",
"brand": "Trek",
"model": "Powerfly 4 Gen 3 (29\")",
"modelYear": 2021,
"category": "e-bike",
"categoryBasis": "route",
"sourceCategory": "e-bike",
"price": 3699,
"originalPrice": null,
"currency": "EUR",
"discountPercent": null,
"frameMaterial": "aluminium",
"frameModel": "Alpha Platinum Aluminium, herausnehmbarer integrierter Akku (RIB), konisches Steuerrohr, interne Control Freak-Zugführung, Motor Armor, Boost148, Größe XS , S: ",
"frameTier": null,
"groupsetBrand": "Shimano",
"groupsetFamily": "Deore",
"groupsetGeneration": null,
"electronicShifting": false,
"speeds": 10,
"mixedGroupset": false,
"groupsetComponents": {
"shifters": "Deore",
"cassette": "Deore"
},
"groupsetTierSpread": 0,
"crank": "FSA Bosch CK-220, 36 Z., 165 mm Kurbelarmlänge",
"cassette": "Shimano Deore M4100, 11-46 Z., 10fach",
"brakes": "hydraulic-disc",
"brakePistons": null,
"brakeTier": "unknown",
"suspension": "front",
"fork": {
"make": "SR Suntour",
"line": "XCM",
"tier": "unknown",
"travelMm": 80
},
"rearShock": null,
"dropperPost": false,
"beltDrive": false,
"hubDynamo": null,
"rack": null,
"mudguards": null,
"chaincase": null,
"kickstand": null,
"lighting": null,
"wheelSize": "29",
"wheelset": "Bontrager Connection, Hohlkammerfelge, 32-Loch, 20 mm Innenweite, Presta-Ventil",
"wheelMaterial": "aluminium",
"wheelTier": "unknown",
"tyres": "Bontrager XR3 Comp, Drahtwulstkern, 30 TPI, Größe XS , S: 27.5 x 2.35, Größe M , L , XL: 29 x 2.30",
"weightKg": 23.37,
"ebike": {
"motor": {
"text": "Bosch | Bosch Performance CX, Motorgehäuse aus Magnesium, 250 Watt, 85 Nm, Unterstützung bis max. 25 km/h",
"brand": "bosch",
"model": null,
"position": "mid",
"torqueNm": 85,
"torqueSource": "retailer",
"ratedPowerW": 250,
"peakPowerW": null
},
"battery": {
"text": "500 Wh | Bosch PowerTube, vertikal, 500 Wh",
"capacityWh": 500,
"count": 1,
"integration": "integrated",
"removable": true
},
"speedClass": "pedelec-25",
"rangeExtender": "unknown",
"display": "Bosch Purion",
"abs": null,
"autoShift": null,
"statedRangeKm": null,
"eDiscipline": "e-mtb",
"eDisciplineBasis": "leaf",
"frameShape": "unknown",
"cargoType": "unknown",
"maxSystemWeightKg": 136,
"rackCapacityKg": null,
"weightIncludesBattery": null
},
"powerMeter": false,
"powerMeterKind": null,
"availableSizes": [
{
"rawSize": "XL",
"size": "XL",
"sizeCm": null,
"inStock": true,
"stockCount": null,
"price": 3699,
"seller": "Fender Fahrradhaus GmbH",
"deliveryNote": "Reguläre Lieferzeit 5 Tage"
}
],
"seller": "Fender Fahrradhaus GmbH",
"availability": "limited",
"gtins": [
"0601842384756"
],
"imageUrl": "https://images.cdn.europe-west1.gcp.commercetools.com/078b97e9-ed31-4c81-baae-cdd44f3bf3c1/dd0f29b2922e71d60900-6F40Cvuc.jpg",
"rawTitle": "Trek Powerfly 4 Gen 3 (29\")",
"fetchedAt": "2026-09-26T06:09:08.574Z",
"normalizationConfidence": 0.95,
"warnings": [
{
"code": "single-size-only",
"message": "Only one size is in stock (XL).",
"severity": "info"
}
],
"ebikeAi": {
"requested": [
"motorModel",
"frameShape"
],
"applied": [],
"rejected": [],
"notes": "The source names the motor as Bosch Performance CX but does not establish one of the permitted exact motorModel variants. It mentions a bent top tube for sizes XS and S, but does not deterministically establish a permitted frameShape.",
"raw": {
"motorBrand": {
"value": "bosch",
"evidence": "Motorhersteller: Bosch",
"confidence": 1
},
"motorModel": {
"value": null,
"evidence": null,
"confidence": 0
},
"batteryWh": {
"value": "500",
"evidence": "Akkukapazität: 500 Wh",
"confidence": 1
},
"speedClass": {
"value": "pedelec-25",
"evidence": "Maximale Motorunterstützung: bis 25 km/h",
"confidence": 1
},
"batteryIntegration": {
"value": "integrated",
"evidence": "herausnehmbarer integrierter Akku (RIB)",
"confidence": 1
},
"frameShape": {
"value": null,
"evidence": null,
"confidence": 0
},
"notes": "The source names the motor as Bosch Performance CX but does not establish one of the permitted exact motorModel variants. It mentions a bent top tube for sizes XS and S, but does not deterministically establish a permitted frameShape."
}
}
}
{
"Gewicht*": "M – 23,37 kg",
"Rahmen": "Alpha Platinum Aluminium, herausnehmbarer integrierter Akku (RIB), konisches Steuerrohr, interne Control Freak-Zugführung, Motor Armor, Boost148, Größe XS , S: gebogenes Oberrohr, 12-mm-Steckachse",
"Zulässiges Gesamtgewicht": "Dieses Fahrrad hat eine maximale Gewichtsbeschränkung (Fahrrad, Fahrer und Beladung) von 136 kg.",
"Bremse": "Tektro HD-M275, hydraulische Scheibenbremse",
"Bremsscheibe vorne": "⌀ 203mm",
"Bremsscheiben": "Tektro, 6-Loch-Scheibenaufnahme, 203 mm",
"Bremsscheibe hinten": "⌀ 203mm",
"Art der Bremse": "Hydraulische Scheibenbremse",
"Nabe hinten": "Bontrager, Aluminium, gedichtetes Lager, Aluminiumachse, 6-Loch-Scheibenaufnahme, 8/9/10-Freilaufnabe von Shimano, Boost148, 12-mm-Steckachse",
"Laufräder": "Bontrager Connection, Hohlkammerfelge, 32-Loch, 20 mm Innenweite, Presta-Ventil",
"Nabe vorne": "Formula DC-511, 6-Loch-Scheibenaufnahme, Boost110, 15-mm-Steckachse",
"Reifen": "Bontrager XR3 Comp, Drahtwulstkern, 30 TPI, Größe XS , S: 27.5 x 2.35, Größe M , L , XL: 29 x 2.30",
"Vorbau": "Blendr-kompatibel, 7 Grad, Größe XS: Bontrager, Aluminium, 31,8 mm, 50 mm Länge, Größe S , M: Bontrager, Aluminium, 31,8 mm, 60 mm Länge, Größe L , XL: Bontrager Comp, 31 8 mm, 70 mm Länge",
"Steuersatz": "FSA IS-2, 1 1/8\" oben, 1,5\" unten",
"Lenker": "Bontrager, Aluminium, 31,8 mm, 15 mm Rise, Größe XS , S: 720 mm Breite, Größe M , L , XL: 750 mm Breite",
"Griffe": "Bontrager XR Endurance Comp / Bontrager XR Endurance Comp, Schraubklemmung *",
"Display": "Bosch Purion",
"Akkukapazität": "500 Wh",
"Drehmoment": "85 Nm",
"Ladegerät": "Bosch Standardladegerät 2 A, 100 – 240 V",
"Akkuhersteller": "Bosch",
"Motorhersteller": "Bosch",
"Maximale Motorunterstützung": "bis 25 km/h",
"Akku": "Bosch PowerTube, vertikal, 500 Wh",
"Motor": "Bosch Performance CX, Motorgehäuse aus Magnesium, 250 Watt, 85 Nm, Unterstützung bis max. 25 km/h",
"Motorposition": "Mittelmotor",
"Kassette": "Shimano Deore M4100, 11-46 Z., 10fach",
"Schaltung": "Shimano Deore M5120, long cage",
"Kurbel": "FSA Bosch CK-220, 36 Z., 165 mm Kurbelarmlänge",
"Kettenblätter": "FSA, 36Z, Stahl",
"Pedale": "VP-536, Nylonplattform",
"Schalthebel": "Shimano Deore M4100, 10fach",
"Kette / Riemen": "KMC X10, für 10fach-Kassette",
"Sattel": "Bontrager Commuter Comp",
"Sattelstütze": "Bontrager aus Aluminium, 31,6 mm, 12 mm Versatz, Größe XS , S: 330 mm Länge, Größe M: 360 mm Länge, Größe L , XL: 400 mm Länge",
"Gabel Bauart": "Federgabel",
"Federweg vorne": "80mm",
"Gabelhersteller": "SR Suntour",
"Gabel": ", Größe XS: SR Suntour XCM 34, Spiralfeder, verstellbare Federvorspannung, Lockout, konischer Gabelschaft, 44 mm Vorbiegung, Boost110, 15-mm-Steckachse, 80 mm Federweg, Größe S , M , L , XL: SR Suntour XCM 34, Spiralfeder",
"Jahr": "2021"
}
{
"retailer": "bikeexchange",
"retailerProductId": "trek_powerfly_4_gen_3_29_2021",
"productUrl": "https://www.bikeexchange.de/de-DE/products/trek_powerfly_4_gen_3_29_2021?sku=TRE_0000130922",
"extractionMethod": "embedded-json",
"sourceCategory": "e-bike",
"rawTitle": "Trek Powerfly 4 Gen 3 (29\")",
"rawBrand": "Trek",
"price": 3699,
"originalPrice": null,
"currency": "EUR",
"imageUrl": "https://images.cdn.europe-west1.gcp.commercetools.com/078b97e9-ed31-4c81-baae-cdd44f3bf3c1/dd0f29b2922e71d60900-6F40Cvuc.jpg",
"rawSpecifications": {
"Gewicht*": "M – 23,37 kg",
"Rahmen": "Alpha Platinum Aluminium, herausnehmbarer integrierter Akku (RIB), konisches Steuerrohr, interne Control Freak-Zugführung, Motor Armor, Boost148, Größe XS , S: gebogenes Oberrohr, 12-mm-Steckachse",
"Zulässiges Gesamtgewicht": "Dieses Fahrrad hat eine maximale Gewichtsbeschränkung (Fahrrad, Fahrer und Beladung) von 136 kg.",
"Bremse": "Tektro HD-M275, hydraulische Scheibenbremse",
"Bremsscheibe vorne": "⌀ 203mm",
"Bremsscheiben": "Tektro, 6-Loch-Scheibenaufnahme, 203 mm",
"Bremsscheibe hinten": "⌀ 203mm",
"Art der Bremse": "Hydraulische Scheibenbremse",
"Nabe hinten": "Bontrager, Aluminium, gedichtetes Lager, Aluminiumachse, 6-Loch-Scheibenaufnahme, 8/9/10-Freilaufnabe von Shimano, Boost148, 12-mm-Steckachse",
"Laufräder": "Bontrager Connection, Hohlkammerfelge, 32-Loch, 20 mm Innenweite, Presta-Ventil",
"Nabe vorne": "Formula DC-511, 6-Loch-Scheibenaufnahme, Boost110, 15-mm-Steckachse",
"Reifen": "Bontrager XR3 Comp, Drahtwulstkern, 30 TPI, Größe XS , S: 27.5 x 2.35, Größe M , L , XL: 29 x 2.30",
"Vorbau": "Blendr-kompatibel, 7 Grad, Größe XS: Bontrager, Aluminium, 31,8 mm, 50 mm Länge, Größe S , M: Bontrager, Aluminium, 31,8 mm, 60 mm Länge, Größe L , XL: Bontrager Comp, 31 8 mm, 70 mm Länge",
"Steuersatz": "FSA IS-2, 1 1/8\" oben, 1,5\" unten",
"Lenker": "Bontrager, Aluminium, 31,8 mm, 15 mm Rise, Größe XS , S: 720 mm Breite, Größe M , L , XL: 750 mm Breite",
"Griffe": "Bontrager XR Endurance Comp / Bontrager XR Endurance Comp, Schraubklemmung *",
"Display": "Bosch Purion",
"Akkukapazität": "500 Wh",
"Drehmoment": "85 Nm",
"Ladegerät": "Bosch Standardladegerät 2 A, 100 – 240 V",
"Akkuhersteller": "Bosch",
"Motorhersteller": "Bosch",
"Maximale Motorunterstützung": "bis 25 km/h",
"Akku": "Bosch PowerTube, vertikal, 500 Wh",
"Motor": "Bosch Performance CX, Motorgehäuse aus Magnesium, 250 Watt, 85 Nm, Unterstützung bis max. 25 km/h",
"Motorposition": "Mittelmotor",
"Kassette": "Shimano Deore M4100, 11-46 Z., 10fach",
"Schaltung": "Shimano Deore M5120, long cage",
"Kurbel": "FSA Bosch CK-220, 36 Z., 165 mm Kurbelarmlänge",
"Kettenblätter": "FSA, 36Z, Stahl",
"Pedale": "VP-536, Nylonplattform",
"Schalthebel": "Shimano Deore M4100, 10fach",
"Kette / Riemen": "KMC X10, für 10fach-Kassette",
"Sattel": "Bontrager Commuter Comp",
"Sattelstütze": "Bontrager aus Aluminium, 31,6 mm, 12 mm Versatz, Größe XS , S: 330 mm Länge, Größe M: 360 mm Länge, Größe L , XL: 400 mm Länge",
"Gabel Bauart": "Federgabel",
"Federweg vorne": "80mm",
"Gabelhersteller": "SR Suntour",
"Gabel": ", Größe XS: SR Suntour XCM 34, Spiralfeder, verstellbare Federvorspannung, Lockout, konischer Gabelschaft, 44 mm Vorbiegung, Boost110, 15-mm-Steckachse, 80 mm Federweg, Größe S , M , L , XL: SR Suntour XCM 34, Spiralfeder",
"Jahr": "2021"
},
"rawFeatures": [
"Bosch",
"500wh",
"Shimano Deore",
"Beschreibung"
],
"rawSizes": [
{
"rawSize": "XL",
"size": "XL",
"sizeCm": null,
"inStock": true,
"stockCount": null,
"price": 3699,
"seller": "Fender Fahrradhaus GmbH",
"deliveryNote": "Reguläre Lieferzeit 5 Tage"
}
],
"availabilityText": "sizes 1: 1 stocked, 0 gone, 0 unread",
"fetchedAt": "2026-09-26T06:09:08.574Z",
"sourceMeta": {
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"seller": "Fender Fahrradhaus GmbH",
"sellerOfSize": "XL",
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"storeKey": "store_01KBZ4DQW8TZ1JCES65GWH435F_eur",
"storeCity": "Schwetzingen",
"storeCountry": "DE",
"storeDelivers": true,
"storeClickAndCollect": true,
"storeReservation": true,
"storeDeliveryTime": "P5D",
"shippingPrice": 89.9,
"hasMoreSellers": false,
"condition": "NEW",
"ctProductId": "4f4989e9-7367-4198-a51c-c8fdbe60a1b1",
"shopCategory": "E-Hardtail",
"colourCount": 1,
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"listingPath": [
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}