← Review table (road) · shopper page
bike-components:221819 · source URL · confidence 1
Can win a band.
| retailer label | alpha | comparable cm | match | mapping | in stock | variant price | evidence |
|---|---|---|---|---|---|---|---|
| XS | XS | — | unknown | unsupported | yes | €5.390 | — |
| S | S | — | unknown | unsupported | no | €5.890 | — |
| M | M | — | unknown | unsupported | yes | €5.390 | — |
| L | L | — | unknown | unsupported | yes | €5.390 | — |
| XL | XL | — | unknown | unsupported | yes | €5.390 | — |
| XXL | XXL | — | unknown | unsupported | yes | €5.390 | — |
| mapping | unsupported |
|---|---|
| reason | "XS" is a letter size and there is no reviewed Specialized equivalence to convert it. |
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:bike-components / parse | Specialized |
| model | retailer:bike-components / derived | Specialized Tarmac SL8 Expert Di2 28" Carbon Road Bike |
| category | retailer:bike-components / parse | Road Bike |
| frameMaterial | retailer:bike-components / parse | Carbon |
| frameTier | retailer:bike-components / dictionary | SL8 |
| groupsetFamily | retailer:bike-components / dictionary | Shimano Ultegra Di2 ST-R8170 || Shimano Ultegra Di2 RD-R8150, 12-speed || Shimano Ultegra Di2 FD-R8150, 2-speed |
| electronicShifting | retailer:bike-components / derived | Di2 |
| speeds | retailer:bike-components / parse | 12-speed |
| brakes | retailer:bike-components / parse | R8170 |
| suspension | retailer:bike-components / derived | no suspension fork and no rear shock on a drop-bar listing |
| fork | retailer:bike-components / dictionary | Specialized Tarmac |
| dropperPost | retailer:bike-components / derived | seatpost row "Specialized S-Works Tarmac SL8, Carbon, Setback: 15 mm" names no dropper, in a 45-field spec table |
| beltDrive | retailer:bike-components / parse | Shimano Ultegra Di2 FD-R8150, 2-speed |
| wheelSize | retailer:bike-components / parse | 28 |
| wheelMaterial | retailer:bike-components / dictionary | Roval C38 |
| wheelTier | retailer:bike-components / dictionary | Roval C38 |
| powerMeter | retailer:bike-components / derived | absent from a 45-field spec table |
| availability | retailer:bike-components / derived | 5/6 sizes in stock |
none
{
"frameScore": 32,
"drivetrainScore": 33,
"wheelScore": 13,
"extrasScore": 3,
"suspensionScore": 0,
"weightAdjustment": 0,
"equipmentValue": 81,
"notes": [
"Frame tier \"top\" +6.",
"Shimano Ultegra Di2 = 33.",
"Wheels \"entry-carbon\" = 13.",
"Brakes \"hydraulic-disc\" +3.",
"Weight not published: no weight adjustment either way."
],
"marketPrice": 5000,
"valueScore": 0.928,
"savingsVsMarket": -390
}
{
"requested": [
"weightKg"
],
"applied": [],
"rejected": [],
"notes": "Weight is not stated in the source text. Wheel tier assigned as high-quality-carbon based on named model 'Specialized Roval C38, Carbon' — if a different internal tiering is required, change accordingly. MixedGroupset set to false because listed chain, crank, levers and derailleurs are all described with 'Shimano Ultegra' identifiers in the source.",
"raw": {
"frameMaterial": {
"value": "carbon",
"evidence": "Frame material: Carbon",
"confidence": 0.9
},
"groupsetBrand": {
"value": "Shimano",
"evidence": "Shimano Ultegra Di2 ST-R8170",
"confidence": 0.95
},
"groupsetFamily": {
"value": "Ultegra Di2",
"evidence": "Shimano Ultegra Di2 ST-R8170",
"confidence": 0.95
},
"electronicShifting": {
"value": "true",
"evidence": "Di2",
"confidence": 0.9
},
"speeds": {
"value": "12",
"evidence": "12-speed",
"confidence": 0.95
},
"mixedGroupset": {
"value": "false",
"evidence": "Crankset: Shimano Ultegra R8100\nChain: Shimano Ultegra M8100\nShift/Brake Lever: Shimano Ultegra Di2 ST-R8170\nDerailleur: Shimano Ultegra Di2 RD-R8150",
"confidence": 0.85
},
"wheelMaterial": {
"value": "carbon",
"evidence": "Wheelset: Specialized Roval C38, Carbon",
"confidence": 0.95
},
"wheelTier": {
"value": "high-quality-carbon",
"evidence": "Wheelset: Specialized Roval C38, Carbon",
"confidence": 0.7
},
"brakes": {
"value": "hydraulic-disc",
"evidence": "Brakes: Shimano Ultegra R8170, hydraulic",
"confidence": 0.95
},
"weightKg": {
"value": null,
"evidence": null,
"confidence": 0
},
"powerMeter": {
"value": null,
"evidence": null,
"confidence": 0
},
"notes": "Weight is not stated in the source text. Wheel tier assigned as high-quality-carbon based on named model 'Specialized Roval C38, Carbon' — if a different internal tiering is required, change accordingly. MixedGroupset set to false because listed chain, crank, levers and derailleurs are all described with 'Shimano Ultegra' identifiers in the source."
}
}
{
"id": "bike-components:221819",
"retailer": "bike-components",
"retailerProductId": "221819",
"productUrl": "https://www.bike-components.de/en/Specialized/Tarmac-SL8-Expert-Di2-28-Carbon-Road-Bike-p221819/",
"brand": "Specialized",
"model": "Tarmac SL8 Expert Di2 28\" Carbon",
"modelYear": null,
"category": "road",
"categoryBasis": "stated",
"sourceCategory": "road",
"price": 5390,
"originalPrice": 5890,
"currency": "EUR",
"discountPercent": 8,
"frameMaterial": "carbon",
"frameModel": "Specialized Tarmac SL8",
"frameTier": "top",
"groupsetBrand": "Shimano",
"groupsetFamily": "Ultegra Di2",
"groupsetGeneration": null,
"electronicShifting": true,
"speeds": 12,
"mixedGroupset": false,
"groupsetComponents": {
"shifters": "Ultegra Di2",
"rearDerailleur": "Ultegra Di2",
"frontDerailleur": "Ultegra Di2",
"crank": "Ultegra",
"cassette": "Ultegra"
},
"groupsetTierSpread": 0,
"crank": "Shimano Ultegra R8100, 36-52 Teeth",
"cassette": "Shimano Ultegra, 11-30 T, 12-speed",
"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": "Specialized Roval C38, Carbon",
"wheelMaterial": "carbon",
"wheelTier": "entry-carbon",
"tyres": "S-Works Turbo, 700 x 26C",
"weightKg": null,
"powerMeter": false,
"powerMeterKind": null,
"availableSizes": [
{
"rawSize": "XS",
"size": "XS",
"sizeCm": 49,
"inStock": true,
"stockCount": null,
"price": 5390
},
{
"rawSize": "S",
"size": "S",
"sizeCm": 52,
"inStock": false,
"stockCount": null,
"price": 5890
},
{
"rawSize": "M",
"size": "M",
"sizeCm": 54,
"inStock": true,
"stockCount": null,
"price": 5390
},
{
"rawSize": "L",
"size": "L",
"sizeCm": 56,
"inStock": true,
"stockCount": null,
"price": 5390
},
{
"rawSize": "XL",
"size": "XL",
"sizeCm": 58,
"inStock": true,
"stockCount": null,
"price": 5390
},
{
"rawSize": "XXL",
"size": "XXL",
"sizeCm": 61,
"inStock": true,
"stockCount": null,
"price": 5390
}
],
"seller": null,
"availability": "in-stock",
"gtins": [],
"imageUrl": "https://www.bike-components.de/assets/p/i/1280x960/68116c732ad6ae81.jpg",
"rawTitle": "Specialized Tarmac SL8 Expert Di2 28\" Carbon Road Bike",
"fetchedAt": "2026-09-19T06:35:02.706Z",
"normalizationConfidence": 1,
"warnings": []
}
{
"Brake Type": "disc",
"Application": "Road",
"Frame material": "Carbon",
"Fork material": "Carbon",
"Gender": "Women's, Men´s",
"Seatpost diameter": "Aero form",
"Brakes": "Shimano Ultegra R8170, hydraulic",
"Bottom Bracket": "Shimano BSA",
"Pedals": "without",
"Frame": "Specialized Tarmac SL8",
"Rear Wheel Tyre": "S-Works Turbo, 700 x 26C",
"Saddle": "Specialized Body Geometry Power Expert with Titanium Rails",
"Shift/Brake Lever": "Shimano Ultegra Di2 ST-R8170",
"Crankset": "Shimano Ultegra R8100, 36-52 Teeth",
"Seatpost": "Specialized S-Works Tarmac SL8, Carbon, Setback: 15 mm",
"Front Derailleur": "Shimano Ultegra Di2 FD-R8150, 2-speed",
"Cassette": "Shimano Ultegra, 11-30 T, 12-speed",
"Chain": "Shimano Ultegra M8100",
"Front Wheel Tyre": "S-Works Turbo, 700 x 26C",
"Derailleur": "Shimano Ultegra Di2 RD-R8150, 12-speed",
"Max. Fork Length": "370 mm",
"Crank Arm Length": "165,0 mm | 170,0 mm | 172,5 mm | 175,0 mm",
"Wheel size": "28\"",
"Fork Offset": "47 mm | 44 mm",
"Stem": "Specialized Tarmac, 6°",
"Brake Discs": "RT-CL800",
"Brake Disc Size": "160 mm (Front) / 140 mm (Rear)",
"Fork": "Specialized Tarmac",
"Handlebar": "Specialized Expert Shallow Drop",
"Wheelset": "Specialized Roval C38, Carbon",
"Head Tube Angle": "71.75 | 72.5 | 73 | 73.5 | 74",
"Stack": "514 mm | 527 mm | 544 mm | 565 mm | 591 mm | 612 mm",
"Standover Height": "735 mm | 746 mm | 768 mm | 786 mm | 808 mm | 834 mm",
"Wheelbase": "973 mm | 975 mm | 978 mm | 991 mm | 1006 mm | 1013 mm",
"Reach": "375 mm | 380 mm | 384 mm | 395 mm | 402 mm | 408 mm",
"Chainstay Length": "410 mm",
"Seat Tube Angle": "75.5 | 74 | 73.5 | 73",
"BB Drop": "74 mm | 72 mm",
"Bottom Bracket Height": "266 mm | 268 mm",
"Stem Length": "80 mm | 90 mm | 100 mm | 110 mm",
"Drop Bar Width": "38 cm | 40 cm | 42 cm | 44 cm",
"Seat Tube Length": "445 mm | 456 mm | 473 mm | 494 mm | 515 mm | 545 mm",
"Head Tube Length": "109 mm | 120 mm | 137 mm | 157 mm | 184 mm | 204 mm",
"Frame Size": "49 cm | 52 cm | 54 cm | 56 cm | 58 cm | 61 cm",
"Effective Top Tube Length": "509 mm | 531 mm | 541 mm | 563 mm | 577 mm | 595 mm"
}
{
"retailer": "bike-components",
"retailerProductId": "221819",
"productUrl": "https://www.bike-components.de/en/Specialized/Tarmac-SL8-Expert-Di2-28-Carbon-Road-Bike-p221819/",
"extractionMethod": "json-ld",
"sourceCategory": "road",
"rawTitle": "Specialized Tarmac SL8 Expert Di2 28\" Carbon Road Bike",
"rawBrand": "Specialized",
"price": 5390,
"originalPrice": 5890,
"currency": "EUR",
"imageUrl": "https://www.bike-components.de/assets/p/i/1280x960/68116c732ad6ae81.jpg",
"rawSpecifications": {
"Brake Type": "disc",
"Application": "Road",
"Frame material": "Carbon",
"Fork material": "Carbon",
"Gender": "Women's, Men´s",
"Seatpost diameter": "Aero form",
"Brakes": "Shimano Ultegra R8170, hydraulic",
"Bottom Bracket": "Shimano BSA",
"Pedals": "without",
"Frame": "Specialized Tarmac SL8",
"Rear Wheel Tyre": "S-Works Turbo, 700 x 26C",
"Saddle": "Specialized Body Geometry Power Expert with Titanium Rails",
"Shift/Brake Lever": "Shimano Ultegra Di2 ST-R8170",
"Crankset": "Shimano Ultegra R8100, 36-52 Teeth",
"Seatpost": "Specialized S-Works Tarmac SL8, Carbon, Setback: 15 mm",
"Front Derailleur": "Shimano Ultegra Di2 FD-R8150, 2-speed",
"Cassette": "Shimano Ultegra, 11-30 T, 12-speed",
"Chain": "Shimano Ultegra M8100",
"Front Wheel Tyre": "S-Works Turbo, 700 x 26C",
"Derailleur": "Shimano Ultegra Di2 RD-R8150, 12-speed",
"Max. Fork Length": "370 mm",
"Crank Arm Length": "165,0 mm | 170,0 mm | 172,5 mm | 175,0 mm",
"Wheel size": "28\"",
"Fork Offset": "47 mm | 44 mm",
"Stem": "Specialized Tarmac, 6°",
"Brake Discs": "RT-CL800",
"Brake Disc Size": "160 mm (Front) / 140 mm (Rear)",
"Fork": "Specialized Tarmac",
"Handlebar": "Specialized Expert Shallow Drop",
"Wheelset": "Specialized Roval C38, Carbon",
"Head Tube Angle": "71.75 | 72.5 | 73 | 73.5 | 74",
"Stack": "514 mm | 527 mm | 544 mm | 565 mm | 591 mm | 612 mm",
"Standover Height": "735 mm | 746 mm | 768 mm | 786 mm | 808 mm | 834 mm",
"Wheelbase": "973 mm | 975 mm | 978 mm | 991 mm | 1006 mm | 1013 mm",
"Reach": "375 mm | 380 mm | 384 mm | 395 mm | 402 mm | 408 mm",
"Chainstay Length": "410 mm",
"Seat Tube Angle": "75.5 | 74 | 73.5 | 73",
"BB Drop": "74 mm | 72 mm",
"Bottom Bracket Height": "266 mm | 268 mm",
"Stem Length": "80 mm | 90 mm | 100 mm | 110 mm",
"Drop Bar Width": "38 cm | 40 cm | 42 cm | 44 cm",
"Seat Tube Length": "445 mm | 456 mm | 473 mm | 494 mm | 515 mm | 545 mm",
"Head Tube Length": "109 mm | 120 mm | 137 mm | 157 mm | 184 mm | 204 mm",
"Frame Size": "49 cm | 52 cm | 54 cm | 56 cm | 58 cm | 61 cm",
"Effective Top Tube Length": "509 mm | 531 mm | 541 mm | 563 mm | 577 mm | 595 mm"
},
"rawFeatures": [
"Experience the ultimate road cycling adventure with the Tarmac SL8 Expert Di2 28\" Carbon Road Bike, brought to you by Specialized, designed for both women and men. This bike is a marvel of engineering, featuring a lightweight and robust Specialized Tarmac SL8 frame made from carbon, ensuring both speed and durability on the road. The Shimano Ultegra M8100 chain, coupled with the Shimano Ultegra 11-30 T, 12-speed cassette, provides seamless shifting for a smooth ride. The saddle is a Specialized Body Geometry Power Expert with Titanium Rails, offering unparalleled comfort during long rides. Hydraulic Shimano Ultegra R8170 brakes give you the confidence to handle the bike at high speeds with precision stopping power. The Shimano Ultegra Di2 ST-R8170 shift/brake lever and the Shimano Ultegra Di2 RD-R8150, 12-speed derailleur, ensure effortless gear changes and control. The bike rolls on S-Works Turbo, 700 x 26C tires, perfect for maximizing speed and efficiency on the pavement. The carbon fork and seatpost further reduce the bike's weight and increase its aerodynamic efficiency. Lastly, the bike's sleek aero form seatpost diameter and the absence of pedals mean you can customize this ride to fit your cycling style perfectly. Whether you're racing or embarking on a long-distance journey, the Tarmac Sl8 Expert Di2 is your ticket to an exhilarating road cycling experience."
],
"rawSizes": [
{
"rawSize": "XS",
"size": "XS",
"sizeCm": 49,
"inStock": true,
"stockCount": null,
"price": 5390
},
{
"rawSize": "S",
"size": "S",
"sizeCm": 52,
"inStock": false,
"stockCount": null,
"price": 5890
},
{
"rawSize": "M",
"size": "M",
"sizeCm": 54,
"inStock": true,
"stockCount": null,
"price": 5390
},
{
"rawSize": "L",
"size": "L",
"sizeCm": 56,
"inStock": true,
"stockCount": null,
"price": 5390
},
{
"rawSize": "XL",
"size": "XL",
"sizeCm": 58,
"inStock": true,
"stockCount": null,
"price": 5390
},
{
"rawSize": "XXL",
"size": "XXL",
"sizeCm": 61,
"inStock": true,
"stockCount": null,
"price": 5390
}
],
"availabilityText": null,
"fetchedAt": "2026-09-19T06:35:02.706Z",
"sourceMeta": {
"productGroupId": 221819,
"ldShape": "ProductGroup",
"variantCount": 6,
"colours": [
"blue"
],
"skus": [
"1001014238",
"1001014236",
"1001014240",
"1001014237",
"1001014239",
"1001014241"
],
"mpns": [
"94926-3749",
"94926-3752",
"94926-3754",
"94926-3756",
"94926-3758",
"94926-3761"
],
"statedSizeCm": [
"XS=49cm",
"S=52cm",
"M=54cm",
"L=56cm",
"XL=58cm",
"XXL=61cm"
],
"listingPrice": 5390,
"listingSrp": 5890,
"application": "Road"
}
}