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 ?
Thompson Falcon 2026 geometry in sizes XS–XXL: stack 503–611 mm, reach 376–407 mm, head angle 72–73.5°.
| XS | S | M | L | XL | XXL | |
|---|---|---|---|---|---|---|
| Stack | 503 mm | 521 mm | 546 mm | 565 mm | 587 mm | 611 mm |
| Reach | 376 mm | 381 mm | 388 mm | 389 mm | 401 mm | 407 mm |
| Head angle | 72° | 72° | 73° | 73° | 73.5° | 73.5° |
| Seat angle | 74.5° | 74° | 73.5° | 73° | 73° | 72.5° |
| Seat tube (c-t) | 450 mm | 480 mm | 510 mm | 530 mm | 550 mm | 580 mm |
| Head tube | 100 mm | 115 mm | 140 mm | 160 mm | 180 mm | 205 mm |
| Top tube (effective) | 516 mm | 530 mm | 550 mm | 565 mm | 581 mm | 600 mm |
| BB drop | 68 mm | 70 mm | 70 mm | 70 mm | 70 mm | 70 mm |
| Chainstay | 406 mm | 406 mm | 406 mm | 408 mm | 408 mm | 410 mm |
| Wheelbase | 965 mm | 970 mm | 981 mm | 991 mm | 1001 mm | 1016 mm |
| Fork offset | 43 mm | 43 mm | 43 mm | 43 mm | 43 mm | 43 mm |
Source: thompson-bikebuilder.be, checked 7 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 503 / reach 376 mm).
Stack and reach within 12 mm of size S (stack 521 / reach 381 mm).
Stack and reach within 12 mm of size M (stack 546 / reach 388 mm).
Stack and reach within 12 mm of size L (stack 565 / reach 389 mm).
Stack and reach within 12 mm of size XL (stack 587 / reach 401 mm).
Stack and reach within 12 mm of size XXL (stack 611 / reach 407 mm).
Spotted a mistake or a missing build? Let me know.
Are you the manufacturer, or do you sell this bike? I’m missing 8 values for this model’s stem and bars. Add them