Good to know: Built to measure
Built to measure The cockpit is chosen to suit the rider, so I use the stem length that makes the size fit you. according to the manufacturer’s website
Geometry ?
Festka Doppler Road 2026 geometry in sizes XXS–XXL: stack 503–630 mm, reach 357–414 mm, head angle 69.5–73.5°.
| XXS | XS | S | M | L | XL | XXL | |
|---|---|---|---|---|---|---|---|
| Stack | 503 mm | 517 mm | 538 mm | 557 mm | 571 mm | 596 mm | 630 mm |
| Reach | 357 mm | 370 mm | 374 mm | 386 mm | 390 mm | 399 mm | 414 mm |
| Head angle | 69.5° | 69.5° | 71.5° | 72.5° | 73° | 73.5° | 73.5° |
| Seat angle | 74.5° | 74.5° | 74° | 74° | 73.5° | 73.5° | 73.5° |
| Seat tube (c-c) | 420 mm | 430 mm | 460 mm | 490 mm | 505 mm | 535 mm | 565 mm |
| Head tube | 102 mm | 116 mm | 128 mm | 145 mm | 158 mm | 182 mm | 217 mm |
| Top tube (effective) | 500 mm | 517 mm | 530 mm | 547 mm | 560 mm | 575 mm | 600 mm |
| BB drop | 72 mm | 72 mm | 72 mm | 72 mm | 72 mm | 72 mm | 72 mm |
| Chainstay | 406 mm | 406 mm | 410 mm | 410 mm | 410 mm | 410 mm | 410 mm |
| Wheelbase | 972 mm | 990 mm | 981 mm | 990 mm | 993 mm | 1005 mm | 1030 mm |
| Standover | 723 mm | 734 mm | 759 mm | 783 mm | 797 mm | 824 mm | 855 mm |
Source: festka.com, checked 1 Nov 2026 · bar position: worked out from published data
Stock build
I don’t have the build for each size yet.
Frames with similar geometry
Stack and reach within 12 mm of size XXS (stack 503 / reach 357 mm).
Stack and reach within 12 mm of size XS (stack 517 / reach 370 mm).
Stack and reach within 12 mm of size S (stack 538 / reach 374 mm).
Stack and reach within 12 mm of size M (stack 557 / reach 386 mm).
Stack and reach within 12 mm of size L (stack 571 / reach 390 mm).
Stack and reach within 12 mm of size XL (stack 596 / reach 399 mm).
Stack and reach within 12 mm of size XXL (stack 630 / reach 414 mm).
Spotted a mistake or a missing build? Let me know.