Models · Polygon · Strattos

Polygon Strattos S Alx (2024)

road · aluminium · sizes XS–XL Manufacturer’s website

Geometry ?

Polygon Strattos S Alx 2024 geometry in sizes XS–XL: stack 494.4–583.4 mm, reach 382.5–391.6 mm, head angle 72–73°.

	XS	S	M	L	XL
Stack	494.4 mm	510.3 mm	533.3 mm	557.2 mm	583.4 mm
Reach	382.5 mm	383.5 mm	387.1 mm	390 mm	391.6 mm
Head angle	72°	72.5°	73°	73°	73°
Seat angle	75°	74.5°	74°	73.5°	73°
Seat tube (?)	450 mm	470 mm	500 mm	520 mm	550 mm
Head tube	90 mm	105 mm	130 mm	155 mm	185 mm
Top tube (effective)	515 mm	525 mm	540 mm	555 mm	570 mm
BB drop	72.5 mm	72.5 mm	70 mm	70 mm	67.5 mm
Chainstay	415 mm	415 mm	415 mm	415 mm	415 mm
Wheelbase	975.5 mm	977.3 mm	984.8 mm	995 mm	1005.9 mm
Standover	696.7 mm	715.7 mm	746.5 mm	767.1 mm	797 mm
Stock build by size
Stem	90 mm	90 mm	100 mm	100 mm	110 mm
Stem angle	−7°	−7°	−7°	−7°	−7°
Bar width	400 mm	400 mm	400 mm	420 mm	420 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: polygonbikes.com, checked 12 Nov 2026 · bar position: worked out from published data

Stock build

Strattos S4D

Source: polygonbikes.com, checked 12 Nov 2026

Frames with similar geometry

Stack and reach within 12 mm of size M (stack 533.3 / reach 387.1 mm).

Polygon Strattos S Alx (2027)size M · stack 533 / reach 387 mm Audax Ventus 3000 (2025)size S · stack 533 / reach 387 mm Audax Ventus Stelvio (2025)size S · stack 533 / reach 387 mm Ceepo Stinger (2026)size M · stack 533 / reach 387 mm Polygon Strattos S Carbon (S6D/S7D) (2026)size M · stack 534 / reach 387 mm Panasonic FRCC35 (2026)size 550 · stack 534 / reach 387 mm

Spotted a mistake or a missing build? Let me know.