megamo Jakar 20

bikeexchange:megamo_jakar_20_2025 · source URL · confidence 0.95 · GTIN 8424733010174

Eligibility

Can win a band.

Size decisions

retailer label	alpha	comparable cm	match	mapping	in stock	variant price	evidence
S	S	—	unknown	unsupported	yes	€1.899	—
M	M	—	unknown	unsupported	yes	€1.899	—
L	L	—	unknown	unsupported	yes	€1.348,48	—

retailer label

alpha

comparable cm

match

mapping

in stock

variant price

evidence

—

unknown

unsupported

yes

€1.899

—

unknown

unsupported

yes

€1.899

—

unknown

unsupported

yes

€1.348,48

—

mapping	unsupported
reason	Megamo publishes no defensible conventional equivalence for its letter sizes. No accessible official geometry or sizing documentation. Retailers list letters only.

mapping

unsupported

reason

Megamo publishes no defensible conventional equivalence for its letter sizes. No accessible official geometry or sizing documentation. Retailers list letters only.

A shopper asking for: 54 → nothing compatible · 56 → nothing compatible · 58 → nothing compatible · 60 → nothing compatible

Identity

Canonical configuration: Megamo | Jakar 20 | Apex | 2025
Confidence: medium

brand exact (Megamo)
model normalized to "jakar 20"
groupset family exact (Apex)
model year exact (2025)
2 listings across 2 retailers
downgraded to medium: listings disagree on speeds: 12 vs 11
conflict: speeds: 12 vs 11

retailer	price	sizes in stock
BikeExchange	€1.348,48	S, M, L	debug
Fahrrad XXL	€1.699,99	L, M, S, XL	debug

retailer

price

sizes in stock

BikeExchange

€1.348,48

S, M, L

debug

Fahrrad XXL

€1.699,99

L, M, S, XL

debug

Provenance — why we believe each fact

field source evidence

brand retailer:bikeexchange / parse megamo

model retailer:bikeexchange / derived megamo Jakar 20

modelYear retailer:bikeexchange / parse Jahr: 2025

category retailer:bikeexchange / derived retailer taxonomy

frameMaterial retailer:bikeexchange / parse aluminum

groupsetFamily retailer:bikeexchange / dictionary Sram Apex 1 Hydraulic Disc 1x11s || Sram Apex Eagle, 12 speed || Sram Apex 1-11s

electronicShifting retailer:bikeexchange / derived Sram Apex 1 Hydraulic Disc 1x11s || Sram Apex Eagle, 12 speed || Sram Apex 1-11s

speeds retailer:bikeexchange / parse 1x11

suspension retailer:bikeexchange / derived no suspension fork and no rear shock on a drop-bar listing

fork retailer:bikeexchange / dictionary Jakar Carbon fork

dropperPost retailer:bikeexchange / derived seatpost row "Alloy seat post" names no dropper, in a 25-field spec table

beltDrive retailer:bikeexchange / parse Sram Apex 1-11s

wheelMaterial retailer:bikeexchange / parse Alloy

powerMeter retailer:bikeexchange / derived absent from a 25-field spec table

availability retailer:bikeexchange / derived sizes 3: 3 stocked, 0 gone, 0 unread

seller retailer:bikeexchange / parse L: budget-bikes

brakes ai / ai (0.95) Schalthebel: Sram Apex 1 Hydraulic Disc 1x11s

field	source	evidence
brand	`retailer:bikeexchange` / parse	megamo
model	`retailer:bikeexchange` / derived	megamo Jakar 20
modelYear	`retailer:bikeexchange` / parse	Jahr: 2025
category	`retailer:bikeexchange` / derived	retailer taxonomy
frameMaterial	`retailer:bikeexchange` / parse	aluminum
groupsetFamily	`retailer:bikeexchange` / dictionary	Sram Apex 1 Hydraulic Disc 1x11s \|\| Sram Apex Eagle, 12 speed \|\| Sram Apex 1-11s
electronicShifting	`retailer:bikeexchange` / derived	Sram Apex 1 Hydraulic Disc 1x11s \|\| Sram Apex Eagle, 12 speed \|\| Sram Apex 1-11s
speeds	`retailer:bikeexchange` / parse	1x11
suspension	`retailer:bikeexchange` / derived	no suspension fork and no rear shock on a drop-bar listing
fork	`retailer:bikeexchange` / dictionary	Jakar Carbon fork
dropperPost	`retailer:bikeexchange` / derived	seatpost row "Alloy seat post" names no dropper, in a 25-field spec table
beltDrive	`retailer:bikeexchange` / parse	Sram Apex 1-11s
wheelMaterial	`retailer:bikeexchange` / parse	Alloy
powerMeter	`retailer:bikeexchange` / derived	absent from a 25-field spec table
availability	`retailer:bikeexchange` / derived	sizes 3: 3 stocked, 0 gone, 0 unread
seller	`retailer:bikeexchange` / parse	L: budget-bikes
brakes	`ai` / ai (0.95)	Schalthebel: Sram Apex 1 Hydraulic Disc 1x11s

Warnings

none

Score breakdown

{
  "frameScore": 11,
  "drivetrainScore": 19,
  "wheelScore": 5,
  "extrasScore": 0,
  "suspensionScore": 0,
  "weightAdjustment": 0,
  "equipmentValue": 35,
  "notes": [
    "SRAM Apex = 19.",
    "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 gravel.",
    "Weight not published: no weight adjustment either way."
  ],
  "marketPrice": 1726,
  "valueScore": 1.28,
  "savingsVsMarket": 377.52
}

AI normalization

{
  "requested": [
    "wheelMaterial",
    "wheelTier",
    "brakes",
    "weightKg"
  ],
  "applied": [
    "brakes"
  ],
  "rejected": [],
  "notes": "Rear derailleur lists 'Sram Apex Eagle, 12 speed' while shifters/crank list Apex 11-speed — source contains conflicting drivetrain speed info. Wheelset is named 'Megamo SL 25 ASY - Gravel' (likely house brand) and hubs are described as alloy, but rim material is not specified; wheel tier cannot be determined from the provided text.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Aluminium",
      "confidence": 0.95
    },
    "groupsetBrand": {
      "value": "SRAM",
      "evidence": "SRAM Apex",
      "confidence": 0.95
    },
    "groupsetFamily": {
      "value": "Apex",
      "evidence": "SRAM Apex",
      "confidence": 0.9
    },
    "electronicShifting": {
      "value": null,
      "evidence": null,
      "confidence": 0.4
    },
    "speeds": {
      "value": "11",
      "evidence": "Anzahl Gänge: 11.0",
      "confidence": 0.95
    },
    "mixedGroupset": {
      "value": "true",
      "evidence": "Schalthebel: Sram Apex 1 Hydraulic Disc 1x11s\nUmwerfer hinten: Sram Apex Eagle, 12 speed",
      "confidence": 0.7
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 0.4
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 0.4
    },
    "brakes": {
      "value": "hydraulic-disc",
      "evidence": "Schalthebel: Sram Apex 1 Hydraulic Disc 1x11s",
      "confidence": 0.95
    },
    "weightKg": {
      "value": null,
      "evidence": null,
      "confidence": 0.4
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 0.4
    },
    "notes": "Rear derailleur lists 'Sram Apex Eagle, 12 speed' while shifters/crank list Apex 11-speed — source contains conflicting drivetrain speed info. Wheelset is named 'Megamo SL 25 ASY - Gravel' (likely house brand) and hubs are described as alloy, but rim material is not specified; wheel tier cannot be determined from the provided text."
  }
}

Normalized record

{
  "id": "bikeexchange:megamo_jakar_20_2025",
  "retailer": "bikeexchange",
  "retailerProductId": "megamo_jakar_20_2025",
  "productUrl": "https://www.bikeexchange.de/de-DE/products/megamo_jakar_20_2025?sku=MEG_0000623991",
  "brand": "Megamo",
  "model": "Jakar 20",
  "modelYear": 2025,
  "category": "gravel",
  "categoryBasis": "route",
  "sourceCategory": "gravel",
  "price": 1348.48,
  "originalPrice": 1899,
  "currency": "EUR",
  "discountPercent": 29,
  "frameMaterial": "aluminium",
  "frameModel": "New Jakar aluminum gravel-specific frame",
  "frameTier": null,
  "groupsetBrand": "SRAM",
  "groupsetFamily": "Apex",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": 11,
  "mixedGroupset": false,
  "groupsetComponents": {
    "shifters": "Apex",
    "rearDerailleur": "Apex",
    "frontDerailleur": "Apex",
    "crank": "Apex"
  },
  "groupsetTierSpread": 0,
  "crank": "Sram Apex 40T",
  "cassette": null,
  "brakes": "hydraulic-disc",
  "brakePistons": null,
  "brakeTier": "unknown",
  "suspension": "none",
  "fork": {
    "make": null,
    "line": null,
    "tier": "rigid",
    "travelMm": 0
  },
  "rearShock": null,
  "dropperPost": false,
  "beltDrive": false,
  "hubDynamo": null,
  "rack": null,
  "mudguards": null,
  "chaincase": null,
  "kickstand": null,
  "lighting": null,
  "wheelSize": null,
  "wheelset": "Megamo SL 25 ASY - Gravel | Megamo SL 25 ASY - Gravel // Riddler 700 Gravel 700 x 45c Tan Sidewall | Megamo SL 25 ASY - Gravel",
  "wheelMaterial": "aluminium",
  "wheelTier": "unknown",
  "tyres": "WTB Riddler 700 x 45c Tan Sidewall",
  "weightKg": null,
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "S",
      "size": "S",
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": 1899,
      "seller": null,
      "deliveryNote": null
    },
    {
      "rawSize": "M",
      "size": "M",
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": 1899,
      "seller": null,
      "deliveryNote": null
    },
    {
      "rawSize": "L",
      "size": "L",
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": 1348.48,
      "seller": "budget-bikes",
      "deliveryNote": "Reguläre Lieferzeit 8 Tage"
    }
  ],
  "seller": "budget-bikes",
  "availability": "in-stock",
  "gtins": [
    "8424733010174"
  ],
  "imageUrl": "https://images.cdn.europe-west1.gcp.commercetools.com/078b97e9-ed31-4c81-baae-cdd44f3bf3c1/2ab3a06b9f8c073f275d-ti6aqezT.png",
  "rawTitle": "megamo Jakar 20",
  "fetchedAt": "2026-09-19T05:20:05.824Z",
  "normalizationConfidence": 0.95,
  "warnings": []
}

Parsed specification table

{
  "Rahmen": "New Jakar aluminum gravel-specific frame",
  "Bremse hinten": "Sram Apex",
  "Bremse": "Sram Apex",
  "Bremse vorne": "Sram Apex",
  "Bremshebel": "Sram Apex",
  "Reifen vorne": "WTB Riddler 700 x 45c Tan Sidewall",
  "Naben": "CL712 Alloy Front hub BLK_12NM*14G*28H*100 / RXC400 Alloy rear hub BLK M12*14G*28H*142",
  "Reifen": "Riddler 700 Gravel 700 x 45c Tan Sidewall",
  "Laufrad vorne": "Megamo SL 25 ASY - Gravel",
  "Laufrad hinten": "Megamo SL 25 ASY - Gravel",
  "Reifen hinten": "WTB Riddler 700 x 45c Tan Sidewall",
  "Laufräder": "Megamo SL 25 ASY - Gravel // Riddler 700 Gravel 700 x 45c Tan Sidewall | Megamo SL 25 ASY - Gravel",
  "Griffe": "Foam",
  "Vorbau": "Alloy stem Megamo",
  "Lenker": "Alloy handlebar Megamo",
  "Kurbelgarnitur": "Sram Apex 40T",
  "Anzahl Gänge": "11.0",
  "Kettenblätter": "Sram Apex 1-11-42t",
  "Schalthebel": "Sram Apex 1 Hydraulic Disc 1x11s",
  "Umwerfer hinten": "Sram Apex Eagle, 12 speed",
  "Umwerfer": "Sram Apex 1-11s",
  "Sattel": "Selle Italia Modelo X",
  "Sattelstütze": "Alloy seat post",
  "Gabel": "Jakar Carbon fork",
  "Jahr": "2025"
}

Raw adapter output

{
  "retailer": "bikeexchange",
  "retailerProductId": "megamo_jakar_20_2025",
  "productUrl": "https://www.bikeexchange.de/de-DE/products/megamo_jakar_20_2025?sku=MEG_0000623991",
  "extractionMethod": "embedded-json",
  "sourceCategory": "gravel",
  "rawTitle": "megamo Jakar 20",
  "rawBrand": "megamo",
  "price": 1348.48,
  "originalPrice": 1899,
  "currency": "EUR",
  "imageUrl": "https://images.cdn.europe-west1.gcp.commercetools.com/078b97e9-ed31-4c81-baae-cdd44f3bf3c1/2ab3a06b9f8c073f275d-ti6aqezT.png",
  "rawSpecifications": {
    "Rahmen": "New Jakar aluminum gravel-specific frame",
    "Bremse hinten": "Sram Apex",
    "Bremse": "Sram Apex",
    "Bremse vorne": "Sram Apex",
    "Bremshebel": "Sram Apex",
    "Reifen vorne": "WTB Riddler 700 x 45c Tan Sidewall",
    "Naben": "CL712 Alloy Front hub BLK_12NM*14G*28H*100 / RXC400 Alloy rear hub BLK M12*14G*28H*142",
    "Reifen": "Riddler 700 Gravel 700 x 45c Tan Sidewall",
    "Laufrad vorne": "Megamo SL 25 ASY - Gravel",
    "Laufrad hinten": "Megamo SL 25 ASY - Gravel",
    "Reifen hinten": "WTB Riddler 700 x 45c Tan Sidewall",
    "Laufräder": "Megamo SL 25 ASY - Gravel // Riddler 700 Gravel 700 x 45c Tan Sidewall | Megamo SL 25 ASY - Gravel",
    "Griffe": "Foam",
    "Vorbau": "Alloy stem Megamo",
    "Lenker": "Alloy handlebar Megamo",
    "Kurbelgarnitur": "Sram Apex 40T",
    "Anzahl Gänge": "11.0",
    "Kettenblätter": "Sram Apex 1-11-42t",
    "Schalthebel": "Sram Apex 1 Hydraulic Disc 1x11s",
    "Umwerfer hinten": "Sram Apex Eagle, 12 speed",
    "Umwerfer": "Sram Apex 1-11s",
    "Sattel": "Selle Italia Modelo X",
    "Sattelstütze": "Alloy seat post",
    "Gabel": "Jakar Carbon fork",
    "Jahr": "2025"
  },
  "rawFeatures": [
    "Aluminium",
    "SRAM Apex",
    "Beschreibung"
  ],
  "rawSizes": [
    {
      "rawSize": "S",
      "size": "S",
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": 1899,
      "seller": null,
      "deliveryNote": null
    },
    {
      "rawSize": "M",
      "size": "M",
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": 1899,
      "seller": null,
      "deliveryNote": null
    },
    {
      "rawSize": "L",
      "size": "L",
      "sizeCm": null,
      "inStock": true,
      "stockCount": null,
      "price": 1348.48,
      "seller": "budget-bikes",
      "deliveryNote": "Reguläre Lieferzeit 8 Tage"
    }
  ],
  "availabilityText": "sizes 3: 3 stocked, 0 gone, 0 unread",
  "fetchedAt": "2026-09-19T05:20:05.824Z",
  "sourceMeta": {
    "skus": [
      "8424733010174"
    ],
    "shopSkus": [
      "MEG_0000623991",
      "MEG_0000623989",
      "MEG_0000623990",
      "MEG_0000623991"
    ],
    "seller": "budget-bikes",
    "sellerOfSize": "L",
    "sellerId": "b62713af-3c47-4ee1-93fe-0815dc5553c5",
    "storeKey": "store_01KEFR204D7YM6D8ETSA49KG5G_eur",
    "storeCity": "Memmingen",
    "storeCountry": "DE",
    "storeDelivers": true,
    "storeClickAndCollect": true,
    "storeReservation": null,
    "storeDeliveryTime": "P8D",
    "shippingPrice": 49.95,
    "hasMoreSellers": true,
    "condition": "NEW",
    "ctProductId": "f688b6b7-585f-44ac-9c83-c0c4e765dd64",
    "shopCategory": "Gravel",
    "colourCount": 2,
    "fetchedSku": "MEG_0000623991"
  }
}

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