Good to know: Configurable build
Configurable build (at least partly: the cockpit or bar width, for example). The stock build below is only one of the options.
Geometry ?
Festka Spectre Gravel 2026 geometry in sizes XXS–XXL: stack 530–633 mm, reach 356–411 mm, head angle 70–72°.
| XXS | XS | S | M | L | XL | XXL | |
|---|---|---|---|---|---|---|---|
| Stack | 530 mm | 539 mm | 551 mm | 575 mm | 581 mm | 614 mm | 633 mm |
| Reach | 356 mm | 363 mm | 370 mm | 379 mm | 392 mm | 403 mm | 411 mm |
| Head angle | 70° | 70.5° | 71° | 72° | 71.5° | 71.5° | 71.5° |
| Seat angle | 74° | 74° | 74° | 74° | 74° | 74° | 74° |
| Seat tube (c-c) | 436 mm | 451 mm | 466 mm | 486 mm | 506 mm | 536 mm | 546 mm |
| Head tube | 111 mm | 118 mm | 130 mm | 150 mm | 160 mm | 195 mm | 215 mm |
| Top tube (effective) | 510 mm | 520 mm | 530 mm | 545 mm | 560 mm | 580 mm | 600 mm |
| BB drop | 76 mm | 76 mm | 76 mm | 76 mm | 73.5 mm | 73.5 mm | 73.5 mm |
| Chainstay | 425 mm | 425 mm | 425 mm | 425 mm | 425 mm | 425 mm | 425 mm |
| Wheelbase | 998 mm | 1004 mm | 1010 mm | 1016 mm | 1036 mm | 1058 mm | 1072 mm |
| Standover | 756 mm | 768 mm | 782 mm | 802 mm | 818 mm | 849 mm | 862 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 530 / reach 356 mm).
Stack and reach within 12 mm of size XS (stack 539 / reach 363 mm).
Stack and reach within 12 mm of size S (stack 551 / reach 370 mm).
Stack and reach within 12 mm of size M (stack 575 / reach 379 mm).
Stack and reach within 12 mm of size L (stack 581 / reach 392 mm).
Stack and reach within 12 mm of size XL (stack 614 / reach 403 mm).
Stack and reach within 12 mm of size XXL (stack 633 / reach 411 mm).
Spotted a mistake or a missing build? Let me know.