Bikes / Polygon / Helios
Polygon Helios 2026 Geometry, Reviews, and Specs
2026 HELIOS A9 Di2 Road Bike | Polygon BikesFit and steering
Aggressive fitSlow steeringFast steeringRelaxed fit Polygon Helios 2026 Sizing Guide
Polygon Helios 2026 Geometry Chart
| Size | Stack | Reach | Stack/reach | Stem | Bar | Crank | Head tube angle | Seat tube angle | Chainstay | Wheelbase | BB drop | Wheel size |
|---|
| XS | 506 mm | 380 mm | 1.33:1 | 80 mm | 380 mm | 165 mm | 71.8° | 74.5° | 405 mm | 974 mm | 70 mm | 700c |
| S | 524 mm | 386 mm | 1.36:1 | 90 mm | 400 mm | 170 mm | 72.8° | 74.0° | 405 mm | 980 mm | 70 mm | 700c |
| M | 542 mm | 392 mm | 1.38:1 | 100 mm | 420 mm | 172.5 mm | 73.2° | 73.5° | 405 mm | 988 mm | 68 mm | 700c |
| L | 560 mm | 398 mm | 1.41:1 | 110 mm | 440 mm | 175 mm | 73.2° | 73.0° | 405 mm | 998 mm | 68 mm | 700c |
| XL | 578 mm | 404 mm |
2026 colorways
This year's studio shot is 2026 HELIOS A9 Di2 Road Bike | Polygon Bikes.
- We do not have a full OEM palette to diff against 2025 yet.
What changed in the bike frame
Same published geometry as 2025.
- Published geometry matches the 2025 Polygon Helios. Same sizes, same stack and reach.
What changed in equipment
No verified spec sheet for 2026 or 2025.
What changed in price
No launch MSRP in the catalog yet.
- ... Polygon in the form of the Helios A8X. I start with price ... Polygon Helios A8X review. @TheRidewithBenDelaney694 likes29K views2 ...
Compare 2026 and 2025 Polygon Helios side by side