Velopedia Bicycle Archive

2025 Argon 18 Krypton Shimano 105 Di2

Original manufacturer specifications including Shimano 105 Di2 drivetrain, 700c wheels, geometry for 6 published sizes.

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What Velopedia knows

Model year
2025
Category
Road
Original MSRP
$5,299.00
Sizes
XXS, XS, S, M, L, XL
Geometry
6 manufacturer sizes · Geometry context
Record coverage
17 preserved details · 2 archived images · original MSRP · preserved geometry
Archive ID
900002281

Manufacturer catalog

Published sizes and colors

6 sizes

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

XXSXSSMLXL

Frameset

Frame ConstructionKrypton
ForkKrypton

Drivetrain

Component GroupShimano 105 Di2
Front DerailleurShimano 105 Di2 R7150
Rear DerailleurShimano 105 Di2 R7150
Bottom BracketToken T47 24mm
CassetteShimano 105 CS-R7100 11-34
ChainShimano 105 CN-M7100

Brakes

BrakesShimano 105 Di2 R7170; Rotors: Shimano SM-RT70 / F:160mm R:140mm

Cockpit & Contact Points

HeadsetIst2
StemFSA SMR
SaddlePrologo Scratch M5 Tirox
SeatpostArgon 18 TDS-C

Wheels & Tires

WheelsScope S4.A
Front TireVittoria Corsa N.EXT 32-622 TLR, black G2.0
Rear TireVittoria Corsa N.EXT 32-622 TLR, black G2.0
Wheel Size700c

Size-specific frame data

Geometry

6 sizes · 11 measurements

Manufacturer-published geometry normalized for consistent archival comparison. Effective top tube and reach remain separate measurements because they describe different aspects of fit.

MeasurementXXSXSSMLXL
Seat tube420 mm450 mm485 mm520 mm555 mm590 mm
Effective top tube496 mm516 mm537 mm558 mm580 mm604 mm
Head tube106 mm123 mm142 mm164 mm186 mm208 mm
Head-tube angle70.6°71.5°72.3°72.3°72.3°72.8°
Seat-tube angle75.5°74.9°74.3°73.7°73.1°72.5°
Chainstay / rear center415 mm415 mm415 mm415 mm415 mm415 mm
Wheelbase975 mm984 mm989 mm1005 mm1020 mm1033 mm
Bottom-bracket drop80 mm80 mm78 mm78 mm78 mm78 mm
Reach357 mm367 mm377 mm386 mm395 mm406 mm
Stack523 mm543 mm563 mm584 mm605 mm628 mm
Standover height675 mm704 mm738 mm770 mm801 mm832 mm

Geometry source: Argon 18 first-party labeled geometry and fit matrix ↗ Measurements can vary by configuration, wheel size, or flip-chip position where noted by the manufacturer.

Geometry tools

Analyze a published size

Choose a size

XXS geometry

Archive context: Its bottom-bracket drop of 80 mm sits toward the deeper-drop end. Its reach of 357 mm sits toward the shorter end. The seat angle of 75.5° sits toward the steeper end.

Compared with 38 distinct road geometries in the XXS-equivalent size cohort from model years 2023–2027 in the Velopedia archive.
Want to go deeper?Open this exact published size and configuration in the Velopedia Geometry Analyzer, then complete any measurements the manufacturer did not provide.
Analyze XXS geometry

Parts & serviceability

Find replacement parts

3 top part searches
ChainExact archived part
Shimano 105 CN-M7100 Exact archived model
CassetteExact archived part
Shimano 105 CS-R7100 11-34 Exact archived model
Front tireMatching fit standard
Vittoria Corsa N.EXT 32-622 TLR, black G2.0 Named tire and published size
More qualified parts (5)
Brake padsExact archived part
Shimano 105 Di2 R7170 Brake model identified — verify pad shape
SaddleQualified part search
Prologo Scratch M5 Tirox Named archived component — verify exact version
Front derailleurMatching configuration
Shimano 105 Di2 R7150 Component family — verify exact version
Rear derailleurMatching configuration
Shimano 105 Di2 R7150 Component family — verify exact version
StemQualified part search
FSA SMR Named archived component — verify dimensions

Searches use the archived manufacturer specification, not the components currently installed on a particular bicycle. Confirm the exact model, size and fit before ordering. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases. Commercial relationships do not influence Archive specifications or analysis.

Used-bike inspection

If you’re buying this bike used

Before any test ride: both brakes should stop the bike firmly and release cleanly; both wheels should run true and be securely attached; tires should have no casing damage; and the headset, handlebar, stem, cranks and pedals should have no looseness or play.

Follow the full used-bike inspection order →
  • FrameInspect the complete frame and fork in bright light for cracks, dents, distortion, corrosion, impact marks, suspicious paint differences or signs of repair. Check the head tube, bottom-bracket area, dropouts, joints and clamped surfaces especially closely.Inspect the frame and fork →
  • BrakesTest each brake separately and confirm it stops firmly and releases cleanly. Inspect the pads and braking surfaces for wear or contamination, and check the cables or hoses for damage.Inspect the brakes →
  • DrivetrainConfirm every shift-system battery charges, every shift control works and the derailleur moves cleanly across the cassette. Make sure the matching shift-system charger is included, then measure chain wear and inspect the cassette teeth.Check drivetrain wear →
  • Wheels & tiresSpin both wheels and watch the rims for side-to-side or vertical movement. Check for dents, cracks, loose or uneven spokes and hub play, then inspect both tire casings for cuts, cracking or exposed threads. If it is set up tubeless, confirm both tires hold pressure and ask when the sealant was last refreshed.Check wheels and tires →
  • Bottom bracketTurn the cranks slowly, feel for rough bearings and check for side-to-side play. Creaking under load deserves investigation but does not identify the source by itself.Inspect the bottom bracket and shell →
Bike-specific inspection checklist 20 checks based on 5 archived component groups Open checklistClose checklist
0 of 20 checked Progress stays in this browser for this bike.

This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.

Archived: 2025 Argon 18 Krypton Shimano 105 Di2 · Road · Published sizes: XXS, XS, S, M, L, XL

Archived: Frame: Krypton · Fork: Krypton

Archived: Group: Shimano 105 Di2 · Front derailleur: Shimano 105 Di2 R7150 · Rear derailleur: Shimano 105 Di2 R7150 · Bottom bracket: TOKEN T47 24mm · Cassette: Shimano 105 CS-R7100 11-34 · Chain: Shimano 105 CN-M7100

Archived: Brakes: Shimano 105 Di2 R7170; Rotors: Shimano SM-RT70 / F:160mm R:140mm

Archived: Wheel size: 700c · Wheels: Scope S4.A · Front tire: Vittoria Corsa N.EXT 32-622 TLR, black G2.0 · Rear tire: Vittoria Corsa N.EXT 32-622 TLR, black G2.0

Controls and contact points

Archived: Headset: IST2 · Stem: FSA SMR · Seatpost: Argon 18 TDS-C · Saddle: Prologo Scratch M5 Tirox

Before and during the test ride

Follow the full used-bike inspection order →

Build relationships are limited to the archived manufacturer specifications. Confirm exact fit and standards before ordering parts or performing service.

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Gallery

Recently checked marketplace data

Market Snapshot

Checked Sep 26, 2026 4:59 pm

Velopedia did not find a close used eBay listing in the latest snapshot. New and used listings remain separate.

Evidence standard Fixed-price and Best Offer item prices only Shipping and tax excluded Active asks, not completed sales
No close current matches found. Velopedia did not find an eBay listing confident enough to include in the latest snapshot.

Listings shown have not passed their eBay-supplied end time. Velopedia rechecks matched bicycles on a protected weekly cycle; availability can still change between checks. Price calculations use active fixed-price and Best Offer item prices before shipping and tax. Auction bids, auction-only prices, classified ads, lower-confidence Review candidates and ended listings are excluded. These observations are not completed-sale prices, a certified appraisal or a guarantee of value.

Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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