← Review table (e-bike) · shopper page

GasGas TRA 4 27,5

boc:8640272433417 · source URL · confidence 0.63

Eligibility

Cannot win: availability is out-of-stock; no size confirmed in stock; confidence 0.63 below 0.75; e-bike bikes are not value-ranked yet (no e-bike-specific equipment model)

Size decisions

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

Warnings

• info suspicious-discount — Claimed 70% off. Treated as context only; it does not affect the ranking.
• high groupset-unknown — Groupset could not be established.
• info wheel-material-unknown — Wheel material could not be established.
• info mixed-groupset — Not a uniform groupset: {}. Ranked on the shifting level, with a penalty.

Score breakdown

{
  "frameScore": 11,
  "drivetrainScore": 0,
  "wheelScore": 5,
  "extrasScore": 0,
  "suspensionScore": 2,
  "weightAdjustment": 0,
  "equipmentValue": 18,
  "notes": [
    "Groupset not identified: 0 drivetrain points.",
    "Mixed groupset, but no crank or cassette below the family it is ranked as: no penalty.",
    "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 \"basic\" +2 (120 mm travel, which is not scored)."
  ],
  "marketPrice": null,
  "valueScore": null,
  "savingsVsMarket": null
}

AI normalization

{
  "requested": [
    "groupsetFamily",
    "wheelMaterial",
    "wheelTier",
    "brakes",
    "weightKg"
  ],
  "applied": [
    "brakes"
  ],
  "rejected": [],
  "notes": "The source names Shimano for the shifting but identifies the shifter and rear derailleur as Tektro; Tektro is not in the allowed groupset vocabulary, so groupsetFamily cannot be resolved. The Mach 1 TRAXX wheel/rim is named, but its material and tier are not established.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Rahmenmaterial: Aluminium",
      "confidence": 1
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Schaltung: Shimano",
      "confidence": 0.85
    },
    "groupsetFamily": {
      "value": null,
      "evidence": null,
      "confidence": 0.98
    },
    "electronicShifting": {
      "value": "false",
      "evidence": "Kettenschaltung",
      "confidence": 0.9
    },
    "speeds": {
      "value": "9",
      "evidence": "Anzahl Gänge: 9",
      "confidence": 1
    },
    "mixedGroupset": {
      "value": "true",
      "evidence": "Schalthebel: Tektro SL-M350R",
      "confidence": 0.9
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 0.98
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 0.99
    },
    "brakes": {
      "value": "hydraulic-disc",
      "evidence": "Hydraulische Formula Cura Scheibenbremsen",
      "confidence": 1
    },
    "weightKg": {
      "value": null,
      "evidence": null,
      "confidence": 1
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 0.98
    },
    "notes": "The source names Shimano for the shifting but identifies the shifter and rear derailleur as Tektro; Tektro is not in the allowed groupset vocabulary, so groupsetFamily cannot be resolved. The Mach 1 TRAXX wheel/rim is named, but its material and tier are not established."
  }
}

Normalized record

{
  "id": "boc:8640272433417",
  "retailer": "boc",
  "retailerProductId": "8640272433417",
  "productUrl": "https://boc24.de/products/gasgas-tra-4-27-5",
  "brand": "Gasgas",
  "model": "TRA 4 27,5",
  "modelYear": null,
  "category": "e-bike",
  "categoryBasis": "route",
  "sourceCategory": "e-bike",
  "price": 979.99,
  "originalPrice": 3299,
  "currency": "EUR",
  "discountPercent": 70,
  "frameMaterial": "aluminium",
  "frameModel": "29 Zoll, Alloy 6061, integrierter Akku",
  "frameTier": null,
  "groupsetBrand": null,
  "groupsetFamily": null,
  "groupsetGeneration": null,
  "electronicShifting": null,
  "speeds": 9,
  "mixedGroupset": true,
  "groupsetComponents": null,
  "groupsetTierSpread": 0,
  "crank": null,
  "cassette": "Kettenschaltung",
  "brakes": "hydraulic-disc",
  "brakePistons": null,
  "brakeTier": "unknown",
  "suspension": "front",
  "fork": {
    "make": "RockShox",
    "line": "Recon",
    "tier": "basic",
    "travelMm": 120
  },
  "rearShock": null,
  "dropperPost": false,
  "beltDrive": false,
  "hubDynamo": null,
  "rack": null,
  "mudguards": null,
  "chaincase": null,
  "kickstand": null,
  "lighting": null,
  "wheelSize": "27.5",
  "wheelset": null,
  "wheelMaterial": "unknown",
  "wheelTier": "unknown",
  "tyres": "Continental Cross King, 58-622, 29, 2.3, Tubeless Ready",
  "weightKg": null,
  "ebike": {
    "motor": {
      "text": "Yamaha PW-S2 | Yamaha",
      "brand": "yamaha",
      "model": "yamaha-pw-s2",
      "position": "mid",
      "torqueNm": 75,
      "torqueSource": "manufacturer",
      "ratedPowerW": null,
      "peakPowerW": null
    },
    "battery": {
      "text": "630 Wh | Simplo, 630 Wh, 36 V",
      "capacityWh": 630,
      "count": 1,
      "integration": "integrated",
      "removable": null
    },
    "speedClass": "unknown",
    "rangeExtender": "unknown",
    "display": "Yamaha Display A, LCD-Display, Micro-USB",
    "abs": null,
    "autoShift": null,
    "statedRangeKm": null,
    "eDiscipline": "e-mtb",
    "eDisciplineBasis": "leaf",
    "frameShape": "diamond",
    "cargoType": "unknown",
    "maxSystemWeightKg": 130,
    "rackCapacityKg": null,
    "weightIncludesBattery": null
  },
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "50 CM",
      "size": "50",
      "sizeCm": 50,
      "inStock": false,
      "stockCount": null,
      "price": 979.99,
      "preorder": false,
      "deliveryNote": null
    }
  ],
  "seller": null,
  "availability": "out-of-stock",
  "gtins": [],
  "imageUrl": "https://cdn.shopify.com/s/files/1/0582/1677/5854/files/az_GasGas-TRA-4-275-0-blackmatt-234021.jpg?v=1790246232",
  "rawTitle": "GasGas TRA 4 27,5",
  "fetchedAt": "2026-09-26T05:59:31.958Z",
  "normalizationConfidence": 0.63,
  "warnings": [
    {
      "code": "suspicious-discount",
      "message": "Claimed 70% off. Treated as context only; it does not affect the ranking.",
      "severity": "info"
    },
    {
      "code": "groupset-unknown",
      "message": "Groupset could not be established.",
      "severity": "high"
    },
    {
      "code": "wheel-material-unknown",
      "message": "Wheel material could not be established.",
      "severity": "info"
    },
    {
      "code": "mixed-groupset",
      "message": "Not a uniform groupset: {}. Ranked on the shifting level, with a penalty.",
      "severity": "info"
    }
  ],
  "ebikeAi": {
    "requested": [
      "speedClass"
    ],
    "applied": [],
    "rejected": [],
    "notes": "",
    "raw": {
      "motorBrand": {
        "value": "yamaha",
        "evidence": "Motormarke: Yamaha",
        "confidence": 1
      },
      "motorModel": {
        "value": "yamaha-pw-s2",
        "evidence": "Motor: Yamaha PW-S2",
        "confidence": 1
      },
      "batteryWh": {
        "value": "630",
        "evidence": "Akkukapazität: 630 Wh",
        "confidence": 1
      },
      "speedClass": {
        "value": null,
        "evidence": null,
        "confidence": 1
      },
      "batteryIntegration": {
        "value": "integrated",
        "evidence": "Rahmen: 29 Zoll, Alloy 6061, integrierter Akku",
        "confidence": 1
      },
      "frameShape": {
        "value": "diamond",
        "evidence": "Rahmenform: Diamant",
        "confidence": 1
      },
      "notes": ""
    }
  }
}

Parsed specification table

{
  "Ausstattung": "Leichter, kompakter Yamaha PW-S2 Motor Starker Simplo 630 Wh Akku Zuverlässige Tektro Kettenschaltung Hydraulische Formula Cura Scheibenbremsen Leistungsstarke Feder Federgabel",
  "Akkukapazität": "630 Wh",
  "Anzahl Gänge": "9",
  "Artikelmarke": "GasGas",
  "Batterie": "Simplo, 630 Wh, 36 V",
  "Bedieneinheit": "Yamaha Display A, LCD-Display, Micro-USB",
  "Bereifung": "Continental Cross King, 58-622, 29, 2.3, Tubeless Ready",
  "Bremsen": "Formula Cura",
  "Bremsscheibe hinten": "Formula, 180 mm, 6-Loch",
  "Bremsscheibe vorne": "Formula, 180 mm, 6-Loch",
  "Gabel": "RockShox Recon Silver TK, Feder, 120 mm",
  "Geschlecht": "Unisex",
  "Griffe": "GASGAS MTB, Schraubgriffe",
  "Kassette": "Kettenschaltung",
  "Kette": "KMC e9s",
  "Kettenblatt": "GASGAS, 38 T",
  "Kettenführung": "Direct Mount",
  "Kurbelarm": "GASGAS EC40, Aluminium geschmiedet, ISIS",
  "Ladegerät": "Simplo Schnellladegerät, 4 A",
  "Laufradgröße": "27.5 Zoll",
  "Lenker": "GASGAS Riser 31,8 mm, 720 mm, Sweep: 6 Grad, Rise: 15 mm",
  "Motor": "Yamaha PW-S2",
  "Motormarke": "Yamaha",
  "Motorposition": "Mittelmotor",
  "Pedale": "GASGAS, Aluminium",
  "Rahmen": "29 Zoll, Alloy 6061, integrierter Akku",
  "Rahmenform": "Diamant",
  "Rahmenmaterial": "Aluminium",
  "Sattel": "GASGAS MTB",
  "Sattelstütze": "GASGAS, 31,6 mm, 350 mm, Patent",
  "Schalthebel": "Tektro SL-M350R",
  "Schaltung": "Shimano",
  "Schaltungstyp": "Kettenschaltung",
  "Schaltwerk": "Tektro RD-M350, 9-S",
  "Steuersatz": "GASGAS ZS44/ZS56",
  "Vorbau": "GASGAS 31,8, 7 Grad, Ahead",
  "Vorderrad": "Rim: Mach 1 TRAXX, geöst, Tubeless Ready / Hub: GASGAS DA210F, 6-Loch, 15x110 mm",
  "zulässiges Gesamtgewicht Kg": "130 kg"
}

Raw adapter output

{
  "retailer": "boc",
  "retailerProductId": "8640272433417",
  "productUrl": "https://boc24.de/products/gasgas-tra-4-27-5",
  "extractionMethod": "public-json-api",
  "sourceCategory": "e-bike",
  "rawTitle": "GasGas TRA 4 27,5",
  "rawBrand": "GASGAS",
  "price": 979.99,
  "originalPrice": 3299,
  "currency": "EUR",
  "imageUrl": "https://cdn.shopify.com/s/files/1/0582/1677/5854/files/az_GasGas-TRA-4-275-0-blackmatt-234021.jpg?v=1790246232",
  "rawSpecifications": {
    "Ausstattung": "Leichter, kompakter Yamaha PW-S2 Motor Starker Simplo 630 Wh Akku Zuverlässige Tektro Kettenschaltung Hydraulische Formula Cura Scheibenbremsen Leistungsstarke Feder Federgabel",
    "Akkukapazität": "630 Wh",
    "Anzahl Gänge": "9",
    "Artikelmarke": "GasGas",
    "Batterie": "Simplo, 630 Wh, 36 V",
    "Bedieneinheit": "Yamaha Display A, LCD-Display, Micro-USB",
    "Bereifung": "Continental Cross King, 58-622, 29, 2.3, Tubeless Ready",
    "Bremsen": "Formula Cura",
    "Bremsscheibe hinten": "Formula, 180 mm, 6-Loch",
    "Bremsscheibe vorne": "Formula, 180 mm, 6-Loch",
    "Gabel": "RockShox Recon Silver TK, Feder, 120 mm",
    "Geschlecht": "Unisex",
    "Griffe": "GASGAS MTB, Schraubgriffe",
    "Kassette": "Kettenschaltung",
    "Kette": "KMC e9s",
    "Kettenblatt": "GASGAS, 38 T",
    "Kettenführung": "Direct Mount",
    "Kurbelarm": "GASGAS EC40, Aluminium geschmiedet, ISIS",
    "Ladegerät": "Simplo Schnellladegerät, 4 A",
    "Laufradgröße": "27.5 Zoll",
    "Lenker": "GASGAS Riser 31,8 mm, 720 mm, Sweep: 6 Grad, Rise: 15 mm",
    "Motor": "Yamaha PW-S2",
    "Motormarke": "Yamaha",
    "Motorposition": "Mittelmotor",
    "Pedale": "GASGAS, Aluminium",
    "Rahmen": "29 Zoll, Alloy 6061, integrierter Akku",
    "Rahmenform": "Diamant",
    "Rahmenmaterial": "Aluminium",
    "Sattel": "GASGAS MTB",
    "Sattelstütze": "GASGAS, 31,6 mm, 350 mm, Patent",
    "Schalthebel": "Tektro SL-M350R",
    "Schaltung": "Shimano",
    "Schaltungstyp": "Kettenschaltung",
    "Schaltwerk": "Tektro RD-M350, 9-S",
    "Steuersatz": "GASGAS ZS44/ZS56",
    "Vorbau": "GASGAS 31,8, 7 Grad, Ahead",
    "Vorderrad": "Rim: Mach 1 TRAXX, geöst, Tubeless Ready / Hub: GASGAS DA210F, 6-Loch, 15x110 mm",
    "zulässiges Gesamtgewicht Kg": "130 kg"
  },
  "rawFeatures": [
    "Das TRA 4 ist ein Hardtail-E-Mountainbike für sanfte Trail Centers und blaue Flowtrails. Es ist geeignet für Anfänger geeignet, und der Aluminiumrahmen verfügt über eine 120-mm-Gabel von RockShox, um auch schwieriges Gelände mühelos zu meistern. Der zuverlässige Motor PW-S2 von Yamaha unterstützt die Traktion in Kurven, während die Batterie mit 630 Wh auch weite Strecken bewältigt."
  ],
  "rawSizes": [
    {
      "rawSize": "50 CM",
      "size": "50",
      "sizeCm": 50,
      "inStock": false,
      "stockCount": null,
      "price": 979.99,
      "preorder": false,
      "deliveryNote": null
    }
  ],
  "availabilityText": "all variants sold out",
  "fetchedAt": "2026-09-26T05:59:31.958Z",
  "sourceMeta": {
    "shopifyProductId": 8640272433417,
    "handle": "gasgas-tra-4-27-5",
    "productType": "WG1",
    "variantSkus": [
      "234021-1"
    ]
  },
  "listingPath": [
    "E-Bikes",
    "E-Mountainbikes",
    "Hardtail E-Mountainbikes"
  ]
}

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