Home / Road bikes / Polygon / Strattos S4 Disc
Road
Polygon

Strattos S4 Disc

2025Aluminium700cRoad
$1,599.99
at BikesOnline, was $1,799.99. In stock, checked 3 Nov 2026.
All Polygon prices
▤
AluminiumFrame
◎
700cWheel size
⚙
Shimano Tiagra 2x10Drivetrain
◉
DiscBrakes
SizesXXSXSSMLXLXXLWhich size?

OverviewAbout the Polygon Strattos S4 Disc

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).

Closest alternatives on price

Compare the Strattos S4 Disc with the two closest side by side

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
SizeRider heightIn feet
XXS151 to 161 cm4 ft 11 in to 5 ft 3 in
XS154 to 164 cm5 ft 1 in to 5 ft 5 in
S162 to 170 cm5 ft 4 in to 5 ft 7 in
M168 to 176 cm5 ft 6 in to 5 ft 9 in
L174 to 183 cm5 ft 9 in to 6 ft 0 in
XL180 to 187 cm5 ft 11 in to 6 ft 2 in
XXL185 to 195 cm6 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

REACH387STACK534WHEELBASE985CHAINSTAY41573.0°74.0°
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.

Where to buyStockist

BikesOnline
In stock, checked 3 Nov 2026
$1,599.99
Check size and stock →

BikeFinder is an independent directory. We link to retailers; prices and stock are set by the seller and shown as at the date checked. This is an affiliate link. If you buy through it BikeFinder may earn a small commission, at no extra cost to you.