Good to know: Sold as a frameset only
Sold as a frameset only You choose the stem and bars yourself, so I use the stem length that makes the size fit you. according to the manufacturer’s website
Geometry ?
Crust Bombora 2026 geometry in sizes XS–XXL: stack 540–660 mm, reach 365–416 mm, head angle 69.5–71°.
| XS | Small | Medium | Large | XL | XXL | |
|---|---|---|---|---|---|---|
| Stack | 540 mm | 553 mm | 576 mm | 599 mm | 628 mm | 660 mm |
| Reach | 365 mm | 378 mm | 382 mm | 395 mm | 406 mm | 416 mm |
| Head angle | 69.5° | 70° | 71° | 71° | 71° | 71° |
| Seat angle | 74.5° | 74° | 73° | 73° | 73° | 73° |
| Seat tube (c-t) | 456 mm | 502 mm | 543 mm | 574 mm | 629 mm | 670 mm |
| Head tube | 121 mm | 132 mm | 153 mm | 177 mm | 208 mm | 241 mm |
| Top tube (effective) | 520 mm | 540 mm | 560 mm | 580 mm | 600 mm | 620 mm |
| BB drop | 64 mm | 64 mm | 64 mm | 64 mm | 64 mm | 64 mm |
| Chainstay | 425 mm | 425 mm | 425 mm | 425 mm | 425 mm | 425 mm |
| Wheelbase | 1008 mm | 1020 mm | 1023 mm | 1043 mm | 1064 mm | 1085 mm |
| Standover | 747 mm | 775 mm | 804 mm | 832 mm | 872 mm | 907 mm |
| Fork offset | 48 mm | 48 mm | 48 mm | 48 mm | 48 mm | 48 mm |
Source: crustbikes.com, checked 12 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 XS (stack 540 / reach 365 mm).
Stack and reach within 12 mm of size Small (stack 553 / reach 378 mm).
Stack and reach within 12 mm of size Medium (stack 576 / reach 382 mm).
Stack and reach within 12 mm of size Large (stack 599 / reach 395 mm).
Stack and reach within 12 mm of size XL (stack 628 / reach 406 mm).
Stack and reach within 12 mm of size XXL (stack 660 / reach 416 mm).
Spotted a mistake or a missing build? Let me know.