Geometry ?
Poseidon X Gen 3 2026 geometry in sizes S–XXL: stack 552.6–638.3 mm, reach 370.6–408.3 mm, head angle 69–72°.
| S | M | L | XL | XXL | |
|---|---|---|---|---|---|
| Stack | 552.6 mm | 579.4 mm | 596.4 mm | 619.3 mm | 638.3 mm |
| Reach | 370.6 mm | 373.8 mm | 372.7 mm | 375.4 mm | 408.3 mm |
| Head angle | 69° | 71° | 71° | 72° | 72° |
| Seat angle | 75° | 74.5° | 73.5° | 73° | 72.5° |
| Seat tube (c-t) | 490 mm | 510 mm | 530 mm | 550 mm | 580 mm |
| Head tube | 120 mm | 140 mm | 160 mm | 180 mm | 200 mm |
| Top tube (effective) | 520 mm | 535 mm | 550 mm | 565 mm | 610 mm |
| BB drop | 67 mm | 67 mm | 65 mm | 65 mm | 65 mm |
| Chainstay | 425 mm | 425 mm | 425 mm | 425 mm | 425 mm |
| Standover | 775 mm | 793.8 mm | 812.8 mm | 831.9 mm | 857.3 mm |
| Fork length | 400 mm | 400 mm | 400 mm | 400 mm | 400 mm |
| Fork offset | 45 mm | 45 mm | 45 mm | 45 mm | 45 mm |
Source: poseidonbike.com, checked 7 Nov 2026 · bar position: worked out from published data
Stock build
X Gen 3 (microSHIFT Advent X 1x10) ≈ €920
- Groupset
- microSHIFT Advent, 1×10, 38T, 11-48, Tektro C550 mech. disc
- Shifters
- microSHIFT Sword 10s
- Cranks
- Poseidon 38T (through-spindle)
- List price
- US$1,000 (poseidonbike.com, 7 Nov 2026)
Source: poseidonbike.com, checked 7 Nov 2026
Frames with similar geometry
Stack and reach within 12 mm of size S (stack 552.6 / reach 370.6 mm).
Stack and reach within 12 mm of size M (stack 579.4 / reach 373.8 mm).
Stack and reach within 12 mm of size L (stack 596.4 / reach 372.7 mm).
Stack and reach within 12 mm of size XL (stack 619.3 / reach 375.4 mm).
Stack and reach within 12 mm of size XXL (stack 638.3 / reach 408.3 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