2026 Polygon Strattos S4D

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Aluminum
Fork
Carbon/Composite
Features
Disc brake
Somewhat aggressive stack and reachvs category
Very aggressive stack and reachvs category
Very aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Average stack and reachvs category

Geometry

XXS
XS
S
M
L
XL
Stack
490mm
494.4mm
510.3mm
533.3mm
557.2mm
583.4mm
Reach
371.4mm
382.5mm
383.5mm
387.1mm
390mm
391.6mm
Stack to Reach Ratio
1.32:1
1.29:1
1.33:1
1.38:1
1.43:1
1.49:1
Seat Tube Length, C-T
390mm
450mm
470mm
500mm
520mm
550mm
Seat Tube Length, Effective Unknown
75.5mm
75mm
74.5mm
74mm
73.5mm
73mm
Top Tube Length, Effective/Horizontal Center
498mm
515mm
525mm
540mm
555mm
570mm
Top Tube Slope
13.5deg
6.8deg
6.4deg
5.7deg
6.2deg
5.9deg
Head Tube Angle
70.5deg
72deg
72.5deg
73deg
73deg
73deg
Seat Tube Angle
75.5deg
75deg
74.5deg
74deg
73.5deg
73deg
Head Tube Length
90mm
90mm
105mm
130mm
155mm
185mm
Bottom Bracket Drop
72.5mm
72.5mm
72.5mm
70mm
70mm
67.5mm
Bottom Bracket Height
235mm
267.5mm
277.5mm
270mm
254mm
1088.3mm
Chainstay Length
415mm
415mm
415mm
415mm
415mm
415mm
Chainstay Length Horizontal
408.6mm
408.6mm
408.6mm
409.1mm
409.1mm
409.5mm
Front-Center
571.5mm
571.5mm
573.3mm
580mm
590.1mm
600.2mm
Front-Center Horizontal
566.8mm
566.9mm
568.7mm
575.8mm
586mm
596.4mm
Wheelbase
975.5mm
975.5mm
977.3mm
984.8mm
995mm
1005.9mm
Fork Offset/Rake
44.8mm
45mm
45mm
45mm
45mm
45mm
Trail
61.3mm
mid/​neutral
63.1mm
mid/​neutral
63.2mm
mid/​neutral
56.9mm
mid/​neutral
52.1mm
mid/​neutral
306.3mm
very high
Mechanical Trail
57.8mm
60mm
60.3mm
54.4mm
49.8mm
292.9mm
Wheel Flop
19.3mm
18.6mm
18.1mm
15.9mm
14.6mm
85.6mm
Standover Height
654.1mm
696.7mm
715.7mm
746.5mm
767.1mm
797mm
Tire to Pedal Spindle
94mm
170 mm cranks
61.5mm
170 mm cranks
53.3mm
170 mm cranks
70mm
170 mm cranks
96.1mm
170 mm cranks
-725.6mm
170 mm cranks
Pedal Spindle to Ground Clearance
65mm
170 mm cranks
97.5mm
170 mm cranks
107.5mm
170 mm cranks
100mm
170 mm cranks
84mm
170 mm cranks
918.3mm
170 mm cranks

S4D Build

XXS
XS
S
M
L
XL
Wheel Size
26 in
559 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
650B/27.5 in
584 mm BSD
32 in
686 mm BSD
Tire Width
28mm
29mm
39mm
29mm
32mm
32in
Tire Outer Diameter
615mm
680mm
700mm
680mm
648mm
2311.6mm
Bike Length with Tires
1590.5mm
1655.5mm
1677.3mm
1664.8mm
1643mm
3317.5mm

Published Sizing Recommendations

Height
12 ft 0 in
to
12 ft 10 in
to
13 ft 6 in
to
14 ft 0 in
to
14 ft 6 in
to
15 ft 0 in
to

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Category Trend
Endurance Road