Good to know: Integrated cockpit · Configurable build
Integrated cockpit (a one-piece bar and stem) on at least one build. Changing the length means replacing the whole cockpit, and not every length exists. Check which length the bike actually ships with before you buy.
Configurable build (at least partly: the cockpit or bar width, for example). The stock build below is only one of the options.
Geometry ?
Storck Aerfast.5 2026 geometry in sizes XS–XXL: stack 482–576 mm, reach 362.5–418 mm, head angle 70–73.3°.
| XS | S | M | L | XL | XXL | |
|---|---|---|---|---|---|---|
| Stack | 482 mm | 500 mm | 522 mm | 538 mm | 562 mm | 576 mm |
| Reach | 362.5 mm | 377 mm | 390 mm | 400 mm | 403 mm | 418 mm |
| Head angle | 70° | 71.2° | 72.8° | 73.3° | 73.3° | 73.3° |
| Seat angle | 73° | 73° | 73° | 73° | 73° | 73° |
| Seat tube (?) | 460 mm | 484 mm | 509 mm | 531 mm | 558 mm | 583 mm |
| Head tube | 85 mm | 100 mm | 115 mm | 130 mm | 155 mm | 170 mm |
| Top tube (effective) | 510 mm | 530 mm | 550 mm | 565 mm | 575 mm | 595 mm |
| Chainstay | 410 mm | 410 mm | 410 mm | 410 mm | 410 mm | 410 mm |
| Stock build by size | ||||||
| Cranks | 170 mm | 170 mm | 172.5 mm | 172.5 mm | 175 mm | 175 mm |
| Stem | 90 mm | 100 mm | 100 mm | 100 mm | 110 mm | 120 mm |
| Bar width | 380 mm | 400 mm | 420 mm | 420 mm | 420 mm | 440 mm |
(?) by the seat tube length: the manufacturer doesn’t say whether it’s measured centre to centre (c-c) or centre to top (c-t).
Source: storck-bikes.com, checked 1 Nov 2026 · bar position: worked out from published data
Stock build
Aerfast.5 Pro (Shimano Ultegra Di2 2x12) €5,999
- Groupset
- Shimano Ultegra Di2 2×12 (RD R8150)
- Shifters
- Shimano Ultegra Di2
- Cranks
- Shimano Ultegra R8100 52-36
- Stem
- RBSU Aerfast.5
- Handlebar
- RBSU Aerfast.5
- Seatpost
- Storck Aerfast.5 Carbon
- Saddle
- Fizik Vento Argo R5
- List price
- €5,999 (storck-bikes.com, 1 Nov 2026)
Source: storck-bikes.com, checked 1 Nov 2026
Frames with similar geometry
Stack and reach within 12 mm of size XS (stack 482 / reach 362.5 mm).
Stack and reach within 12 mm of size S (stack 500 / reach 377 mm).
Stack and reach within 12 mm of size M (stack 522 / reach 390 mm).
Stack and reach within 12 mm of size L (stack 538 / reach 400 mm).
Stack and reach within 12 mm of size XL (stack 562 / reach 403 mm).
Stack and reach within 12 mm of size XXL (stack 576 / reach 418 mm).
Spotted a mistake or a missing build? Let me know.
Are you the manufacturer, or do you sell this bike? I’m missing 2 values for this model’s stem and bars. Add them