Geometry ?
Bianchi Arcadex (carbon) 2026 geometry in sizes XS–XL: stack 544–638 mm, reach 376–410 mm, head angle 70.5–71.5°.
| XS | SM | MD | LG | XL | |
|---|---|---|---|---|---|
| Stack | 544 mm | 563 mm | 584 mm | 610 mm | 638 mm |
| Reach | 376 mm | 383 mm | 391 mm | 402 mm | 410 mm |
| Head angle | 70.5° | 70.5° | 71° | 71.5° | 71.5° |
| Seat angle | 74.5° | 74° | 73.5° | 73.5° | 73° |
| Seat tube (c-t) | 410 mm | 448 mm | 485 mm | 515 mm | 550 mm |
| Head tube | 90 mm | 110 mm | 130 mm | 155 mm | 185 mm |
| Top tube (effective) | 527 mm | 545 mm | 564 mm | 583 mm | 605 mm |
| BB drop | 75 mm | 75 mm | 75 mm | 75 mm | 75 mm |
| Chainstay | 430 mm | 430 mm | 430 mm | 430 mm | 432 mm |
| Wheelbase | 1020 mm | 1034 mm | 1044 mm | 1059 mm | 1077 mm |
| Fork length | 425 mm | 425 mm | 425 mm | 425 mm | 425 mm |
| Fork offset | 51 mm | 51 mm | 51 mm | 51 mm | 51 mm |
| Stock build by size | |||||
| Cranks | 170 mm | 170 mm | 172.5 mm | 172.5 mm | 175 mm |
| Stem | 80 mm | 80 mm | 90 mm | 100 mm | 110 mm |
| Stem angle | −2° | −2° | −2° | −2° | −2° |
| Bar width | 400 mm | 400 mm | 420 mm | 420 mm | 440 mm |
| Seatpost setback | 15 mm | 15 mm | 15 mm | 15 mm | 15 mm |
Source: bianchi.com, checked 1 Nov 2026 · bar position: worked out from published data
Stock build
Arcadex Pro
- Groupset
- Shimano GRX RX820/RX822 1×12
- Shifters
- Shimano GRX ST/BL-RX820
- Stem
- Velomann AICR −2°
- Handlebar
- Velomann Gravel ICR
- Seatpost
- carbon 27.2
- Saddle
- Velomann Mitora 149 H1
Arcadex Comp
- Groupset
- Shimano GRX RX610/RX822 1×12
- Shifters
- Shimano GRX ST-RX610
- Stem
- Velomann AL6061 (Acros ICR)
- Handlebar
- Velomann Gravel
- Seatpost
- Velomann carbon 27.2, offset 15 mm
- Saddle
- Velomann Mitora 149 H2
Source for all builds: bianchi.com, checked 1 Nov 2026
Frames with similar geometry
Stack and reach within 12 mm of size XS (stack 544 / reach 376 mm).
Stack and reach within 12 mm of size SM (stack 563 / reach 383 mm).
Stack and reach within 12 mm of size MD (stack 584 / reach 391 mm).
Stack and reach within 12 mm of size LG (stack 610 / reach 402 mm).
Stack and reach within 12 mm of size XL (stack 638 / reach 410 mm).
Spotted a mistake or a missing build? Let me know.
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