Bianchi Impulso Pro GRX 820

bike-discount:0197c932e61870c792663836c369f925 · source URL · confidence 0.83

Eligibility

Cannot win: availability is out-of-stock; no size confirmed in stock

Size decisions

retailer label	alpha	comparable cm	match	mapping	in stock	variant price	evidence
SM	—	—	unknown	unsupported	no	listing price	—
MD	—	—	unknown	unsupported	no	listing price	—
LG	—	—	unknown	unsupported	no	listing price	—

retailer label

alpha

comparable cm

match

mapping

in stock

variant price

evidence

—

unknown

unsupported

listing price

—

unknown

unsupported

listing price

—

unknown

unsupported

listing price

—

mapping	unsupported
reason	"SM" could not be read as a frame size.

mapping

unsupported

reason

"SM" could not be read as a frame size.

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

Identity

Canonical configuration: Bianchi | Impulso Pro GRX 820 | GRX
Confidence: medium

brand exact (Bianchi)
model normalized to "impulso pro grx 820"
groupset family exact (GRX)
model year unavailable on every listing
2 listings across 1 retailer
downgraded to medium: no shared GTIN, and no listing states a model year

retailer	price	sizes in stock
Bike-Discount	€2.899	none	debug
Bike-Discount	€2.999	none	debug

retailer

price

sizes in stock

Bike-Discount

€2.899

none

debug

Bike-Discount

€2.999

none

debug

Provenance — why we believe each fact

field source evidence

brand retailer:bike-discount / parse Bianchi

model retailer:bike-discount / derived Bianchi Impulso Pro GRX 820

category retailer:bike-discount / parse GRX

frameMaterial retailer:bike-discount / parse Carbon

groupsetFamily retailer:bike-discount / dictionary Shimano GRX 820 ST-RX820 || Shimano GRX 820 RD-RX820 Maximum Cassette Sprocket 36T || Shimano GRX 820 FD-RX820

electronicShifting retailer:bike-discount / derived Shimano GRX 820 ST-RX820 || Shimano GRX 820 RD-RX820 Maximum Cassette Sprocket 36T || Shimano GRX 820 FD-RX820

speeds retailer:bike-discount / parse 2x12

brakes retailer:bike-discount / parse Hydraulic

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

fork retailer:bike-discount / dictionary Bianchi Impulso Integrated Fork Disc Brake Specification: Flat Mount 140/160 Front Axle: thru12 OLD (Over-Locknut-Dimens

dropperPost retailer:bike-discount / derived seatpost row "Bianchi Custom D-Shape Offset: 20mm Back Seatpost lengths: 3" names no dropper, in a 26-field spec table

beltDrive retailer:bike-discount / parse Shimano GRX 820 FD-RX820

wheelSize retailer:bike-discount / parse 28

powerMeter retailer:bike-discount / derived absent from a 26-field spec table

availability retailer:bike-discount / derived 0/3 sizes in stock

field	source	evidence
brand	`retailer:bike-discount` / parse	Bianchi
model	`retailer:bike-discount` / derived	Bianchi Impulso Pro GRX 820
category	`retailer:bike-discount` / parse	GRX
frameMaterial	`retailer:bike-discount` / parse	Carbon
groupsetFamily	`retailer:bike-discount` / dictionary	Shimano GRX 820 ST-RX820 \|\| Shimano GRX 820 RD-RX820 Maximum Cassette Sprocket 36T \|\| Shimano GRX 820 FD-RX820
electronicShifting	`retailer:bike-discount` / derived	Shimano GRX 820 ST-RX820 \|\| Shimano GRX 820 RD-RX820 Maximum Cassette Sprocket 36T \|\| Shimano GRX 820 FD-RX820
speeds	`retailer:bike-discount` / parse	2x12
brakes	`retailer:bike-discount` / parse	Hydraulic
suspension	`retailer:bike-discount` / derived	no suspension fork and no rear shock on a drop-bar listing
fork	`retailer:bike-discount` / dictionary	Bianchi Impulso Integrated Fork Disc Brake Specification: Flat Mount 140/160 Front Axle: thru12 OLD (Over-Locknut-Dimens
dropperPost	`retailer:bike-discount` / derived	seatpost row "Bianchi Custom D-Shape Offset: 20mm Back Seatpost lengths: 3" names no dropper, in a 26-field spec table
beltDrive	`retailer:bike-discount` / parse	Shimano GRX 820 FD-RX820
wheelSize	`retailer:bike-discount` / parse	28
powerMeter	`retailer:bike-discount` / derived	absent from a 26-field spec table
availability	`retailer:bike-discount` / derived	0/3 sizes in stock

Warnings

info wheel-material-unknown — Wheel material could not be established.

Score breakdown

{
  "frameScore": 26,
  "drivetrainScore": 20,
  "wheelScore": 5,
  "extrasScore": 0,
  "suspensionScore": 0,
  "weightAdjustment": 0,
  "equipmentValue": 51,
  "notes": [
    "Shimano GRX = 20.",
    "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": 2660,
  "valueScore": 0.887,
  "savingsVsMarket": -339
}

AI normalization

{
  "requested": [
    "wheelMaterial",
    "wheelTier",
    "weightKg"
  ],
  "applied": [],
  "rejected": [],
  "notes": "Wheelset listed as 'Wheelset: Velomann Terbium' but no material or recognizable model tier is given — wheelMaterial and wheelTier set to null. No complete-bike weight stated; only 'Maximum total weight allowed: 110 kg' (not bike weight). electronic shifting not explicitly mentioned.",
  "raw": {
    "frameMaterial": {
      "value": "carbon",
      "evidence": "Frame material: Carbon",
      "confidence": 0.9
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Crankset: Shimano GRX 820 FC-RX820",
      "confidence": 0.9
    },
    "groupsetFamily": {
      "value": "GRX",
      "evidence": "Rear derailleur: Shimano GRX 820 RD-RX820",
      "confidence": 0.9
    },
    "electronicShifting": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "speeds": {
      "value": "12",
      "evidence": "Speeds: 2x12",
      "confidence": 0.9
    },
    "mixedGroupset": {
      "value": "false",
      "evidence": "Crankset: Shimano GRX 820 FC-RX820",
      "confidence": 0.8
    },
    "wheelMaterial": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "brakes": {
      "value": "hydraulic-disc",
      "evidence": "Brakes: Shimano Hydraulic Brake, BR-RX820",
      "confidence": 0.9
    },
    "weightKg": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "notes": "Wheelset listed as 'Wheelset: Velomann Terbium' but no material or recognizable model tier is given — wheelMaterial and wheelTier set to null. No complete-bike weight stated; only 'Maximum total weight allowed: 110 kg' (not bike weight). electronic shifting not explicitly mentioned."
  }
}

Normalized record

{
  "id": "bike-discount:0197c932e61870c792663836c369f925",
  "retailer": "bike-discount",
  "retailerProductId": "0197c932e61870c792663836c369f925",
  "productUrl": "https://www.bike-discount.de/en/bianchi-impulso-pro-grx-820-1",
  "brand": "Bianchi",
  "model": "Impulso Pro GRX 820",
  "modelYear": null,
  "category": "gravel",
  "categoryBasis": "stated",
  "sourceCategory": "gravel",
  "price": 2999,
  "originalPrice": 4199,
  "currency": "EUR",
  "discountPercent": 29,
  "frameMaterial": "carbon",
  "frameModel": "IMPULSO PRO Disc Brake Specification: Flat Mount 140/160 Bottom Braket Standard: PressFit 86.5 X diam.41 Rear Axle: thru12 OLD (Over-Locknut-Dimension): 142 mm ",
  "frameTier": null,
  "groupsetBrand": "Shimano",
  "groupsetFamily": "GRX",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": 12,
  "mixedGroupset": false,
  "groupsetComponents": {
    "shifters": "GRX",
    "rearDerailleur": "GRX",
    "frontDerailleur": "GRX",
    "crank": "GRX"
  },
  "groupsetTierSpread": 0,
  "crank": "Shimano GRX 820 FC-RX820 48-31T Crank Length: 170mm-XS(47)-SM(51), 172.5mm-MD(55)-LG(58), 175mm-XL(61)",
  "cassette": "Shimano CS-HG710-12 speed, 11-36T Driver body Interface: HG11",
  "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": "28",
  "wheelset": "Velomann Terbium",
  "wheelMaterial": "unknown",
  "wheelTier": "unknown",
  "tyres": "Pirelli Cinturato™ GRAVEL H Classic, 40-622 tan sidewall",
  "weightKg": null,
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "SM",
      "size": "S/M",
      "sizeCm": null,
      "inStock": false,
      "stockCount": 0,
      "price": null
    },
    {
      "rawSize": "MD",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": 0,
      "price": null
    },
    {
      "rawSize": "LG",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": 0,
      "price": null
    }
  ],
  "seller": null,
  "availability": "out-of-stock",
  "gtins": [],
  "imageUrl": "https://www.bike-discount.de/media/65/47/69/1751439323/bianchi-ytb83ixsf4-20157876-impulso-pro-grx-820-1.jpg?ts=1762590625",
  "rawTitle": "Bianchi Impulso Pro GRX 820",
  "fetchedAt": "2026-09-19T04:50:43.513Z",
  "normalizationConfidence": 0.83,
  "warnings": [
    {
      "code": "wheel-material-unknown",
      "message": "Wheel material could not be established.",
      "severity": "info"
    }
  ]
}

Parsed specification table

{
  "Frame": "IMPULSO PRO Disc Brake Specification: Flat Mount 140/160 Bottom Braket Standard: PressFit 86.5 X diam.41 Rear Axle: thru12 OLD (Over-Locknut-Dimension): 142 mm Front Derailleur: Brazed-on Type Rear Derailleur: SRAM UDH Hanger type Max Chainring Compatibil",
  "Frame material": "Carbon",
  "Wheel size": "28\"",
  "Speeds": "2x12",
  "Colour": "grey/black matt",
  "Fork": "Bianchi Impulso Integrated Fork Disc Brake Specification: Flat Mount 140/160 Front Axle: thru12 OLD (Over-Locknut-Dimension): 100 mm Tire Clearance: ETRTO 622-42mm Steer tube Diameter: 1 1/8\" Material: Carbon Fiber Composite",
  "Brakes": "Shimano Hydraulic Brake, BR-RX820",
  "Brake discs": "Shimano SM-RT70 IceTech Hub Interface: Centerlock Rotor Diameter: 160 mm (front&Rear)",
  "Brake levers": "Shimano GRX 820 ST-RX820",
  "Headset": "Bianchi Custom Acros ICR (Internal Cable Rounting)",
  "Stem": "Velomann AICR Alloy Rise: -2° Steerer Diameter: 1-1/8\" (28.6mm) HB interface Diameter: 1-1/4\" (31.8mm) Stem Lengths: 80mm - XS(47), 90mm - SM(51), 100mm-MD(55), 110mm-LG(58),120m -XL(61)",
  "Handlebar": "Velomann Gravel ICR Alloy Flare: 16° Drop: 130mm Reach 70mm Interface Diameter: 1 1/4\" (31.8mm) HandleBar Widths: 400 - SX(47) SM(51), 420 - MD(55) LG(58), 440 -XL(61)",
  "Handlebar tape": "La Spirale Ribbon cork",
  "Saddle": "Velomann MITORA 149 Hyper",
  "Seatpost": "Bianchi Custom D-Shape Offset: 20mm Back Seatpost lengths: 300mm-SX(47), 350mm- SM(51) MD(55), 380mm-LG(58) XL(61) Material: Epoxy - HM-HS Carbon Fiber Composite",
  "Crankset": "Shimano GRX 820 FC-RX820 48-31T Crank Length: 170mm-XS(47)-SM(51), 172.5mm-MD(55)-LG(58), 175mm-XL(61)",
  "Bottom bracket": "Shimano SM-BB72-41B, press fit",
  "Rear derailleur": "Shimano GRX 820 RD-RX820 Maximum Cassette Sprocket 36T",
  "Gear shifters": "Shimano GRX 820 ST-RX820",
  "Front derailleur": "Shimano GRX 820 FD-RX820",
  "Cassette": "Shimano CS-HG710-12 speed, 11-36T Driver body Interface: HG11",
  "Chain": "Shimano CN-M7100",
  "Tyres": "Pirelli Cinturato™ GRAVEL H Classic, 40-622 tan sidewall",
  "Wheelset": "Velomann Terbium",
  "Pedals": "not included in the scope of delivery",
  "Maximum total weight allowed": "110 kg (body weight + bike + equipment)"
}

Raw adapter output

{
  "retailer": "bike-discount",
  "retailerProductId": "0197c932e61870c792663836c369f925",
  "productUrl": "https://www.bike-discount.de/en/bianchi-impulso-pro-grx-820-1",
  "extractionMethod": "embedded-json",
  "sourceCategory": "gravel",
  "rawTitle": "Bianchi Impulso Pro GRX 820",
  "rawBrand": "Bianchi",
  "price": 2999,
  "originalPrice": 4199,
  "currency": "EUR",
  "imageUrl": "https://www.bike-discount.de/media/65/47/69/1751439323/bianchi-ytb83ixsf4-20157876-impulso-pro-grx-820-1.jpg?ts=1762590625",
  "rawSpecifications": {
    "Frame": "IMPULSO PRO Disc Brake Specification: Flat Mount 140/160 Bottom Braket Standard: PressFit 86.5 X diam.41 Rear Axle: thru12 OLD (Over-Locknut-Dimension): 142 mm Front Derailleur: Brazed-on Type Rear Derailleur: SRAM UDH Hanger type Max Chainring Compatibil",
    "Frame material": "Carbon",
    "Wheel size": "28\"",
    "Speeds": "2x12",
    "Colour": "grey/black matt",
    "Fork": "Bianchi Impulso Integrated Fork Disc Brake Specification: Flat Mount 140/160 Front Axle: thru12 OLD (Over-Locknut-Dimension): 100 mm Tire Clearance: ETRTO 622-42mm Steer tube Diameter: 1 1/8\" Material: Carbon Fiber Composite",
    "Brakes": "Shimano Hydraulic Brake, BR-RX820",
    "Brake discs": "Shimano SM-RT70 IceTech Hub Interface: Centerlock Rotor Diameter: 160 mm (front&Rear)",
    "Brake levers": "Shimano GRX 820 ST-RX820",
    "Headset": "Bianchi Custom Acros ICR (Internal Cable Rounting)",
    "Stem": "Velomann AICR Alloy Rise: -2° Steerer Diameter: 1-1/8\" (28.6mm) HB interface Diameter: 1-1/4\" (31.8mm) Stem Lengths: 80mm - XS(47), 90mm - SM(51), 100mm-MD(55), 110mm-LG(58),120m -XL(61)",
    "Handlebar": "Velomann Gravel ICR Alloy Flare: 16° Drop: 130mm Reach 70mm Interface Diameter: 1 1/4\" (31.8mm) HandleBar Widths: 400 - SX(47) SM(51), 420 - MD(55) LG(58), 440 -XL(61)",
    "Handlebar tape": "La Spirale Ribbon cork",
    "Saddle": "Velomann MITORA 149 Hyper",
    "Seatpost": "Bianchi Custom D-Shape Offset: 20mm Back Seatpost lengths: 300mm-SX(47), 350mm- SM(51) MD(55), 380mm-LG(58) XL(61) Material: Epoxy - HM-HS Carbon Fiber Composite",
    "Crankset": "Shimano GRX 820 FC-RX820 48-31T Crank Length: 170mm-XS(47)-SM(51), 172.5mm-MD(55)-LG(58), 175mm-XL(61)",
    "Bottom bracket": "Shimano SM-BB72-41B, press fit",
    "Rear derailleur": "Shimano GRX 820 RD-RX820 Maximum Cassette Sprocket 36T",
    "Gear shifters": "Shimano GRX 820 ST-RX820",
    "Front derailleur": "Shimano GRX 820 FD-RX820",
    "Cassette": "Shimano CS-HG710-12 speed, 11-36T Driver body Interface: HG11",
    "Chain": "Shimano CN-M7100",
    "Tyres": "Pirelli Cinturato™ GRAVEL H Classic, 40-622 tan sidewall",
    "Wheelset": "Velomann Terbium",
    "Pedals": "not included in the scope of delivery",
    "Maximum total weight allowed": "110 kg (body weight + bike + equipment)"
  },
  "rawFeatures": [],
  "rawSizes": [
    {
      "rawSize": "SM",
      "size": "S/M",
      "sizeCm": null,
      "inStock": false,
      "stockCount": 0,
      "price": null
    },
    {
      "rawSize": "MD",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": 0,
      "price": null
    },
    {
      "rawSize": "LG",
      "size": null,
      "sizeCm": null,
      "inStock": false,
      "stockCount": 0,
      "price": null
    }
  ],
  "availabilityText": null,
  "fetchedAt": "2026-09-19T04:50:43.513Z",
  "sourceMeta": {
    "sku": null,
    "itemNo": "20157876"
  }
}

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