Cannondale Topstone Carbon 3 GRX 1x12s

bike-discount:0198be3711387385b61937add799fdaf · source URL · confidence 1

Eligibility

Can win a band.

Size decisions

retailer label	alpha	comparable cm	match	mapping	in stock	variant price	evidence
56 cm	—	56 cm	exact scale	stated by the retailer	no	listing price	56 cm
61 cm	—	61 cm	exact scale	stated by the retailer	yes	listing price	61 cm

retailer label

alpha

comparable cm

match

mapping

in stock

variant price

evidence

56 cm

—

56 cm

exact scale

stated by the retailer

listing price

56 cm

61 cm

—

61 cm

exact scale

stated by the retailer

yes

listing price

61 cm

A shopper asking for: 54 → nothing compatible · 56 → 56 cm fits but sold out · 58 → nothing compatible · 60 → 61 cm in stock

Identity

Only listing of this configuration — nothing to merge.

Provenance — why we believe each fact

field source evidence

brand retailer:bike-discount / parse Cannondale

model retailer:bike-discount / derived Cannondale Topstone Carbon 3 GRX 1x12s

category retailer:bike-discount / parse Topstone

frameMaterial retailer:bike-discount / parse Carbon

groupsetFamily retailer:bike-discount / dictionary Shimano GRX 610, 12-speed || Shimano GRX 822, Shadow SGS 12-speed

electronicShifting retailer:bike-discount / derived Shimano GRX 610, 12-speed || Shimano GRX 822, Shadow SGS 12-speed

speeds retailer:bike-discount / parse 12-speed

brakes retailer:bike-discount / parse hydraulic disc

brakePistons retailer:bike-discount / parse 2-piston

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

fork retailer:bike-discount / dictionary Topstone Carbon, 1-1/8" to 1.5" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 thru-axle, trip

dropperPost retailer:bike-discount / derived seatpost row "Cannondale 3, 6061 Alloy, 27.2x350mm" names no dropper, in a 28-field spec table

wheelSize retailer:bike-discount / parse 28

wheelMaterial retailer:bike-discount / dictionary WTB ST i25

wheelTier retailer:bike-discount / dictionary WTB ST i25

powerMeter retailer:bike-discount / derived absent from a 28-field spec table

availability retailer:bike-discount / derived 1/2 sizes in stock

field	source	evidence
brand	`retailer:bike-discount` / parse	Cannondale
model	`retailer:bike-discount` / derived	Cannondale Topstone Carbon 3 GRX 1x12s
category	`retailer:bike-discount` / parse	Topstone
frameMaterial	`retailer:bike-discount` / parse	Carbon
groupsetFamily	`retailer:bike-discount` / dictionary	Shimano GRX 610, 12-speed \|\| Shimano GRX 822, Shadow SGS 12-speed
electronicShifting	`retailer:bike-discount` / derived	Shimano GRX 610, 12-speed \|\| Shimano GRX 822, Shadow SGS 12-speed
speeds	`retailer:bike-discount` / parse	12-speed
brakes	`retailer:bike-discount` / parse	hydraulic disc
brakePistons	`retailer:bike-discount` / parse	2-piston
suspension	`retailer:bike-discount` / derived	no suspension fork and no rear shock on a drop-bar listing
fork	`retailer:bike-discount` / dictionary	Topstone Carbon, 1-1/8" to 1.5" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 thru-axle, trip
dropperPost	`retailer:bike-discount` / derived	seatpost row "Cannondale 3, 6061 Alloy, 27.2x350mm" names no dropper, in a 28-field spec table
wheelSize	`retailer:bike-discount` / parse	28
wheelMaterial	`retailer:bike-discount` / dictionary	WTB ST i25
wheelTier	`retailer:bike-discount` / dictionary	WTB ST i25
powerMeter	`retailer:bike-discount` / derived	absent from a 28-field spec table
availability	`retailer:bike-discount` / derived	1/2 sizes in stock

Warnings

info single-size-only — Only one size is in stock (61 cm).

Score breakdown

{
  "frameScore": 26,
  "drivetrainScore": 20,
  "wheelScore": 5,
  "extrasScore": 0,
  "suspensionScore": 0,
  "weightAdjustment": 0,
  "equipmentValue": 51,
  "notes": [
    "Shimano GRX = 20.",
    "Wheels \"basic-aluminium\" = 5.",
    "Brakes \"hydraulic-disc\" = 0, the baseline for gravel.",
    "Weight not published: no weight adjustment either way."
  ],
  "marketPrice": 2660,
  "valueScore": 1.109,
  "savingsVsMarket": 261
}

AI normalization

{
  "requested": [
    "weightKg"
  ],
  "applied": [],
  "rejected": [],
  "notes": "Rear derailleur is listed as GRX 822 while shifters/crank are GRX 610, so components mix GRX and a GRX 8xx part (hence mixedGroupset=true). The source does not explicitly state electronic shifting or the bike's complete weight. Wheel material/tier not explicitly stated (rims named but material not declared).",
  "raw": {
    "frameMaterial": {
      "value": "carbon",
      "evidence": "Frame material: Carbon",
      "confidence": 0.9
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Crankset: Shimano GRX 610, 40T",
      "confidence": 0.9
    },
    "groupsetFamily": {
      "value": "GRX",
      "evidence": "Crankset: Shimano GRX 610, 40T",
      "confidence": 0.7
    },
    "electronicShifting": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "speeds": {
      "value": "12",
      "evidence": "Gear shifters: Shimano GRX 610, 12-speed",
      "confidence": 0.9
    },
    "mixedGroupset": {
      "value": "true",
      "evidence": "Rear derailleur: Shimano GRX 822, Shadow SGS 12-speed\nGear shifters: Shimano GRX 610, 12-speed",
      "confidence": 0.9
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "brakes": {
      "value": "hydraulic-disc",
      "evidence": "Brakes: Shimano GRX 610 hydraulic disc, 2-piston",
      "confidence": 0.9
    },
    "weightKg": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "notes": "Rear derailleur is listed as GRX 822 while shifters/crank are GRX 610, so components mix GRX and a GRX 8xx part (hence mixedGroupset=true). The source does not explicitly state electronic shifting or the bike's complete weight. Wheel material/tier not explicitly stated (rims named but material not declared)."
  }
}

Normalized record

{
  "id": "bike-discount:0198be3711387385b61937add799fdaf",
  "retailer": "bike-discount",
  "retailerProductId": "0198be3711387385b61937add799fdaf",
  "productUrl": "https://www.bike-discount.de/en/cannondale-topstone-carbon-3-grx-1x12s",
  "brand": "Cannondale",
  "model": "Topstone Carbon 3 GRX 1x12s",
  "modelYear": null,
  "category": "gravel",
  "categoryBasis": "stated",
  "sourceCategory": "gravel",
  "price": 2399,
  "originalPrice": 2999,
  "currency": "EUR",
  "discountPercent": 20,
  "frameMaterial": "carbon",
  "frameModel": "Topstone Carbon, Kingpin suspension system, Proportional Response construction, downtube Stashport, internal cable routing, 12x142mm thru-axle, 27.2 dropper pos",
  "frameTier": null,
  "groupsetBrand": "Shimano",
  "groupsetFamily": "GRX",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": 12,
  "mixedGroupset": false,
  "groupsetComponents": {
    "shifters": "GRX",
    "rearDerailleur": "GRX",
    "crank": "GRX"
  },
  "groupsetTierSpread": 0,
  "crank": "Shimano GRX 610, 40T",
  "cassette": "Shimano SLX M7100, 10-51, 12-speed",
  "brakes": "hydraulic-disc",
  "brakePistons": 2,
  "brakeTier": "unknown",
  "suspension": "none",
  "fork": {
    "make": null,
    "line": null,
    "tier": "rigid",
    "travelMm": 0
  },
  "rearShock": null,
  "dropperPost": false,
  "beltDrive": null,
  "hubDynamo": null,
  "rack": null,
  "mudguards": null,
  "chaincase": null,
  "kickstand": null,
  "lighting": null,
  "wheelSize": "28",
  "wheelset": "WTB ST i25 TCS, 28h, tubeless ready | Shimano TC500, 12x100mm centerlock | Shimano TC500, 12x142mm centerlock",
  "wheelMaterial": "aluminium",
  "wheelTier": "basic-aluminium",
  "tyres": "WTB Riddler TCS Light, 700x45c, tubeless ready",
  "weightKg": null,
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "56 cm",
      "size": "56",
      "sizeCm": 56,
      "inStock": false,
      "stockCount": 0,
      "price": null
    },
    {
      "rawSize": "61 cm",
      "size": "61",
      "sizeCm": 61,
      "inStock": true,
      "stockCount": 1,
      "price": null
    }
  ],
  "seller": null,
  "availability": "limited",
  "gtins": [],
  "imageUrl": "https://www.bike-discount.de/media/0a/98/d8/1755538955/cannondale-c15355u1047-20160077-topstone-carbon-3-grx-1x12s-16jwot9tobgh24.jpg?ts=1755538955",
  "rawTitle": "Cannondale Topstone Carbon 3 GRX 1x12s",
  "fetchedAt": "2026-09-19T04:49:46.017Z",
  "normalizationConfidence": 1,
  "warnings": [
    {
      "code": "single-size-only",
      "message": "Only one size is in stock (61 cm).",
      "severity": "info"
    }
  ]
}

Parsed specification table

{
  "Frame": "Topstone Carbon, Kingpin suspension system, Proportional Response construction, downtube Stashport, internal cable routing, 12x142mm thru-axle, 27.2 dropper post ready, UDH, BSA 68mm threaded BB, flat mount disc, removable fender bridge, multiple gear/bot",
  "Frame material": "Carbon",
  "Wheel size": "28\"",
  "Colour": "deep teal",
  "Fork": "Topstone Carbon, 1-1/8\" to 1.5\" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 thru-axle, triple bottle/gear mounts, fender mounts",
  "Brakes": "Shimano GRX 610 hydraulic disc, 2-piston",
  "Brake discs": "160/160mm RT70 rotors",
  "Brake levers": "Shimano GRX 610 hydraulic disc",
  "Headset": "Acros IS52/40 ICR",
  "Stem": "Cannondale C1 Conceal, Alloy, 31.8, -6°",
  "Handlebar": "Cannondale 3, butted 6061 Alloy, 16 deg flare drop",
  "Handlebar tape": "Cannondale KnurlCork, 2.7mm",
  "Saddle": "Selle Royal SRX Open",
  "Seatpost": "Cannondale 3, 6061 Alloy, 27.2x350mm",
  "Crankset": "Shimano GRX 610, 40T",
  "Bottom bracket": "Shimano BSA 68",
  "Rear derailleur": "Shimano GRX 822, Shadow SGS 12-speed",
  "Gear shifters": "Shimano GRX 610, 12-speed",
  "Cassette": "Shimano SLX M7100, 10-51, 12-speed",
  "Chain": "Shimano M7100, 12-speed",
  "Tyres": "WTB Riddler TCS Light, 700x45c, tubeless ready",
  "Front hub": "Shimano TC500, 12x100mm centerlock",
  "Rear hub": "Shimano TC500, 12x142mm centerlock",
  "Spokes ": "Stainless Steel, 14g",
  "Rims": "WTB ST i25 TCS, 28h, tubeless ready",
  "Pedals": "not included in the scope of delivery",
  "Other details": "Cannondale Wheel Sensor, Large StashBag downtube storage bag, tubeless valve stems",
  "Maximum total weight allowed": "110 kg (body weight + bike + equipment)"
}

Raw adapter output

{
  "retailer": "bike-discount",
  "retailerProductId": "0198be3711387385b61937add799fdaf",
  "productUrl": "https://www.bike-discount.de/en/cannondale-topstone-carbon-3-grx-1x12s",
  "extractionMethod": "embedded-json",
  "sourceCategory": "gravel",
  "rawTitle": "Cannondale Topstone Carbon 3 GRX 1x12s",
  "rawBrand": "Cannondale",
  "price": 2399,
  "originalPrice": 2999,
  "currency": "EUR",
  "imageUrl": "https://www.bike-discount.de/media/0a/98/d8/1755538955/cannondale-c15355u1047-20160077-topstone-carbon-3-grx-1x12s-16jwot9tobgh24.jpg?ts=1755538955",
  "rawSpecifications": {
    "Frame": "Topstone Carbon, Kingpin suspension system, Proportional Response construction, downtube Stashport, internal cable routing, 12x142mm thru-axle, 27.2 dropper post ready, UDH, BSA 68mm threaded BB, flat mount disc, removable fender bridge, multiple gear/bot",
    "Frame material": "Carbon",
    "Wheel size": "28\"",
    "Colour": "deep teal",
    "Fork": "Topstone Carbon, 1-1/8\" to 1.5\" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 thru-axle, triple bottle/gear mounts, fender mounts",
    "Brakes": "Shimano GRX 610 hydraulic disc, 2-piston",
    "Brake discs": "160/160mm RT70 rotors",
    "Brake levers": "Shimano GRX 610 hydraulic disc",
    "Headset": "Acros IS52/40 ICR",
    "Stem": "Cannondale C1 Conceal, Alloy, 31.8, -6°",
    "Handlebar": "Cannondale 3, butted 6061 Alloy, 16 deg flare drop",
    "Handlebar tape": "Cannondale KnurlCork, 2.7mm",
    "Saddle": "Selle Royal SRX Open",
    "Seatpost": "Cannondale 3, 6061 Alloy, 27.2x350mm",
    "Crankset": "Shimano GRX 610, 40T",
    "Bottom bracket": "Shimano BSA 68",
    "Rear derailleur": "Shimano GRX 822, Shadow SGS 12-speed",
    "Gear shifters": "Shimano GRX 610, 12-speed",
    "Cassette": "Shimano SLX M7100, 10-51, 12-speed",
    "Chain": "Shimano M7100, 12-speed",
    "Tyres": "WTB Riddler TCS Light, 700x45c, tubeless ready",
    "Front hub": "Shimano TC500, 12x100mm centerlock",
    "Rear hub": "Shimano TC500, 12x142mm centerlock",
    "Spokes ": "Stainless Steel, 14g",
    "Rims": "WTB ST i25 TCS, 28h, tubeless ready",
    "Pedals": "not included in the scope of delivery",
    "Other details": "Cannondale Wheel Sensor, Large StashBag downtube storage bag, tubeless valve stems",
    "Maximum total weight allowed": "110 kg (body weight + bike + equipment)"
  },
  "rawFeatures": [],
  "rawSizes": [
    {
      "rawSize": "56 cm",
      "size": "56",
      "sizeCm": 56,
      "inStock": false,
      "stockCount": 0,
      "price": null
    },
    {
      "rawSize": "61 cm",
      "size": "61",
      "sizeCm": 61,
      "inStock": true,
      "stockCount": 1,
      "price": null
    }
  ],
  "availabilityText": null,
  "fetchedAt": "2026-09-19T04:49:46.017Z",
  "sourceMeta": {
    "sku": null,
    "itemNo": "20160077"
  }
}

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