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 ?
Ikuista Fluxi 2026 geometry in sizes XXS–XL: stack 504–589 mm, reach 375–400 mm, head angle 70.5–73.3°.
| XXS | XS | S | M | L | XL | |
|---|---|---|---|---|---|---|
| Stack | 504 mm | 511 mm | 527 mm | 548 mm | 568 mm | 589 mm |
| Reach | 375 mm | 388 mm | 389 mm | 389 mm | 394 mm | 400 mm |
| Head angle | 70.5° | 71° | 72° | 72.5° | 73° | 73.3° |
| Seat angle | 74.5° | 74.5° | 74° | 73.6° | 73.3° | 73° |
| Seat tube (?) | 440 mm | 470 mm | 500 mm | 520 mm | 540 mm | 560 mm |
| Head tube | 102 mm | 108 mm | 121 mm | 141 mm | 161 mm | 181 mm |
| BB drop | 70 mm | 70 mm | 70 mm | 70 mm | 70 mm | 70 mm |
| Chainstay | 412 mm | 412 mm | 412 mm | 412 mm | 412 mm | 412 mm |
| Wheelbase | 982 mm | 993 mm | 991 mm | 992 mm | 999 mm | 1009 mm |
| Fork offset | 45 mm | 45 mm | 45 mm | 45 mm | 45 mm | 45 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: ikuista.com, checked 13 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 504 / reach 375 mm).
Stack and reach within 12 mm of size XS (stack 511 / reach 388 mm).
Stack and reach within 12 mm of size S (stack 527 / reach 389 mm).
Stack and reach within 12 mm of size M (stack 548 / reach 389 mm).
Stack and reach within 12 mm of size L (stack 568 / reach 394 mm).
Stack and reach within 12 mm of size XL (stack 589 / reach 400 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