Geometry ?
Cyclone GSX / GTX / RTX 2026 geometry in sizes 54–58: stack 545.2–582.8 mm, reach 374–382 mm, head angle 70°.
| 54 | 56 | 58 | |
|---|---|---|---|
| Stack | 545.2 mm | 564 mm | 582.8 mm |
| Reach | 374 mm | 378 mm | 382 mm |
| Head angle | 70° | 70° | 70° |
| Seat angle | 75° | 74.5° | 74° |
| Seat tube (?) | 470 mm | 500 mm | 530 mm |
| Head tube | 125 mm | 145 mm | 165 mm |
| BB drop | 71 mm | 71 mm | 71 mm |
| Chainstay | 435 mm | 435 mm | 435 mm |
| Wheelbase | 1023.6 mm | 1034.5 mm | 1045.1 mm |
| Fork offset | 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: probicyclegroup.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 54 (stack 545.2 / reach 374 mm).
Vitoria Nyxtralight Explorer (2026)size S · stack 545 / reach 374 mmArgonaut GR3 (2026)size 530 · stack 546 / reach 374 mmJamis Renegade (steel) (2026)size 51 · stack 545 / reach 375 mmCorratec Allroad A (2027)size 49 · stack 546 / reach 375 mmFocus Atlas 8 (carbon) (2026)size XS · stack 546 / reach 375 mmTwitter Gravel V3 (2026)size 48 · stack 545 / reach 375 mm
Stack and reach within 12 mm of size 56 (stack 564 / reach 378 mm).
Romet NYK 3.0 (2026)size M · stack 564 / reach 378 mmTout Terrain Scrambler Xplore GT II 28 (2026)size S · stack 564 / reach 378 mmOrigine Graxx GTO (2026)size S · stack 564 / reach 378 mmOrigine Graxx GTR (2026)size S · stack 564 / reach 378 mmDrag Corsa CX (2026)size M · stack 564 / reach 378 mmGuerciotti Escape (2026)size M · stack 564 / reach 378 mm
Stack and reach within 12 mm of size 58 (stack 582.8 / reach 382 mm).
Brodie Romax Ti 2.0 (2026)size 56 · stack 583 / reach 382 mmDrag Corsa CX (2026)size L · stack 584 / reach 382 mmGuerciotti Escape (2026)size L · stack 584 / reach 382 mmGuerciotti Eureka CXS (2027)size L · stack 584 / reach 382 mmOfficina Battaglin Cortina (2026)size M · stack 584 / reach 382 mmCarrera CAEDANHA T (2026)size M · stack 582 / reach 382 mm
Spotted a mistake or a missing build? Let me know.
Are you the manufacturer, or do you sell this bike? I’m missing 5 values for this model’s stem and bars. Add them