Geometry ?
Chapter2 Kaha 2026 geometry in sizes XS–XL: stack 519–622 mm, reach 377–413 mm, head angle 71–72°.
| XS | S | M | L | XL | |
|---|---|---|---|---|---|
| Stack | 519 mm | 545 mm | 571 mm | 596 mm | 622 mm |
| Reach | 377 mm | 386 mm | 395 mm | 404 mm | 413 mm |
| Head angle | 71° | 71° | 72° | 72° | 72° |
| Seat angle | 73° | 73° | 73° | 73° | 73° |
| Seat tube (?) | 436 mm | 462 mm | 491 mm | 512 mm | 541 mm |
| Head tube | 101 mm | 129 mm | 148 mm | 175 mm | 202 mm |
| Top tube (effective) | 535 mm | 553 mm | 569 mm | 586 mm | 603 mm |
| BB drop | 70 mm | 70 mm | 70 mm | 70 mm | 70 mm |
| Chainstay | 415 mm | 415 mm | 415 mm | 415 mm | 415 mm |
| Wheelbase | 1009 mm | 1027 mm | 1024 mm | 1041 mm | 1059 mm |
| Standover | 751 mm | 776 mm | 804 mm | 826 mm | 853 mm |
| Fork offset | 65 mm | 65 mm | 55 mm | 55 mm | 55 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: au.chapter2bikes.com, checked 12 Nov 2026 · bar position: worked out from published data
An older model year in the archive with the same stack, reach and head angle: 2023. Source: eu-de.chapter2bikes.com
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 519 / reach 377 mm).
Stack and reach within 12 mm of size S (stack 545 / reach 386 mm).
Stack and reach within 12 mm of size M (stack 571 / reach 395 mm).
Stack and reach within 12 mm of size L (stack 596 / reach 404 mm).
Stack and reach within 12 mm of size XL (stack 622 / reach 413 mm).
Spotted a mistake or a missing build? Let me know.
Are you the manufacturer, or do you sell this bike? I’m missing 7 values for this model’s stem and bars. Add them