The Polygon Strattos S4 Disc is a road bike, built on an aluminium frame, listed at $1,599.99 at BikesOnline. A drop-bar bike built for sealed roads, speed and distance.
aluminiumdisc brakeendurance
How it comparesThe Strattos S4 Disc against similarly priced bikes
At $1,599.99 it costs less than 93% of the 174 road bikes we list.
Reach (size M): 387 mm, about the same as similarly priced road bikes (middle 391 mm).
Lowest gear ratio: 1.21, taller (harder on steep climbs) than the middle of similarly priced road bikes (1.00).
Gears at the back: 10-speed, about the same as similarly priced road bikes (middle 10-speed).
Compared with the 16 similar road bikes on BikeFinder priced $1,100 to $2,150, using each bike's published specs and the price shown on its page.
SizingWhat size Strattos S4 Disc do I need?
cm
Enter your height to see the size Polygon recommends.
Polygon Strattos S4 Disc size chart
Size
Rider height
In feet
XXS
151 to 161 cm
4 ft 11 in to 5 ft 3 in
XS
154 to 164 cm
5 ft 1 in to 5 ft 5 in
S
162 to 170 cm
5 ft 4 in to 5 ft 7 in
M
168 to 176 cm
5 ft 6 in to 5 ft 9 in
L
174 to 183 cm
5 ft 9 in to 6 ft 0 in
XL
180 to 187 cm
5 ft 11 in to 6 ft 2 in
XXL
185 to 195 cm
6 ft 1 in to 6 ft 5 in
Rider heights from Polygon's size chart. Height is a starting point: arm and leg length, flexibility and riding style all matter, so a test ride beats any chart. How bike sizing works.
SpecificationsWhat we know
Brand
Polygon
Model year
2025
Category
Road
Frame
Aluminium
Wheel size
700c
Drivetrain
Shimano Tiagra 2x10
Brakes
Disc
Frame sizes
XXS, XS, S, M, L, XL, XXL
Price
$1,599.99 at BikesOnline, was $1,799.99. In stock, checked 3 Nov 2026.
Specs and pricing are listed in AUD and sourced from Australian retail listings. Confirm the current details and availability with the seller before purchase.
GeometrySize M
Polygon Strattos S4 Disc, size M. Published geometry, drawn to scale (BB drop or fork offset not published, typical value used).
Stack
534 mm
Reach
387 mm
Stack/reach
1.38
Head angle
73 deg
Seat angle
74 deg
Wheelbase
985 mm
Chainstay
415 mm
BB drop
70 mm
Standover
776 mm
GearingRatios
1.21lowest (climbing)
4.17highest (speed)
Endurance gearing
Ratios are derived from the chainrings and cassette. They describe the gearing, not any rider's ability.
Drivetrain & buildFull specification
Groupset
Shimano Tiagra
Shifting
Mechanical
Drive
2x
Speeds
10
Crank
Shimano Tiagra FC-4700
Chainrings
50/34
Cassette
Shimano Tiagra CS-HH500 12-28T
Rear derailleur
Shimano Tiagra RD-4700-SS Direct Attach
Wheelset
Polygon RD6 Disc, 19mm Inner Width, Tubeless Rim Tape Installed
Rim internal width
19 mm
Stock tyre
700x28c
Fork material
Carbon
BB standard
BSA threaded
Seatpost
Entity Sport Alloy, 27.2 X 350mm
Cockpit
Entity Sport Alloy, 31.8mm, 7 deg / Entity Sport Alloy, 31.8mm
Saddle
Entity, Steel 7mm
Bike DNAWhat the numbers say
Position
Stack-to-reach 1.38 gives a long and low, racier riding position.
Steering
A 73 deg head angle points to balanced steering.
Climbing
Lowest ratio 1.21 is endurance-friendly gearing.
Derived from the published geometry and gearing above. It describes the numbers, not a ride test.
BikeFinder Data Profile: geometry and specification researched from published sources (BikesOnline product page (specification list and geometry table)), verified 2026-11-03. This is a specification analysis, not a physical ride review.
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