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2023 Polygon

STRATTOS S8D

A carbon frame endurance bike with high-end components and shimano ultegra hydraulic disc brakes.
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Manufacturer Price

$2,099
FrameCarbon
ForkCarbon
Wheels700c Aluminum
Drivetrain2 × 11
GroupsetUltegra
BrakesShimano Ultegra Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
STRATTOS S8D
Other Endurance bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

39 mph

STRATTOS S8D

39 mph

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Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Compare the full STRATTOS model range

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Sizing
XXS

4'11" – 5'4"

XS

5'0" – 5'5"

SM

5'3" – 5'7"

MD

5'6" – 5'10"

LG

5'8" – 6'0"

XL

5'10" – 6'2"

XXL

6'0" – 6'5"

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Reviews
Velo
Review: The Polygon Strattos S8X Checks Every Box on a Budget

Dec 2024 · Alvin Holbrook

The Polygon Strattos S8X road bike might be the least-expensive way to get Ultegra Di2, but is it any good? We find out in our review.

Read Review

Geometry
Specs
Build
Frame

carbon

BB Standard: BB86/BB92, Press Fit

Fork

ACX ALL-ROUND UCI APPROVED, TAPER 1-1/8" TO 1-1/2"

Bottom Bracket

SHIMANO BB-RS500-PB

Headset

INTEGRATED (IS) SEALED BEARING FOR OS HEAD IS 52/28.6 | IS 52/40

Handlebar

ENTITY XPERT ALLOY, W: 400mm (XS, S) / 420mm (M, L) / 440mm (XL, XXL), BAR BORE: 31.8mm, RISE/DROP: 125mm, BEND/REACH: 70mm

Saddle

ENTITY FLUX2, ø 7mm

Seatpost

ENTITY XPERT ALLOY, DXL: 27.2 x 350mm, OFFSET: 15mm

Type: Rigid

Groupset
Rear Derailleur

SHIMANO ULTEGRA RD-R8000-SS DIRECT ATTACH

Crank

SHIMANO ULTEGRA FC-R8000 50/34T, CRANK ARM: 170mm (XXS-L), 172.5mm (XL-XXL)

Shifters

SHIMANO ULTEGRA ST-R8020, 2x11-SPEED DUAL CONTROL LEVER

Cassette

SHIMANO ULTEGRA CS-R8000 11-30T

Chain

KMC X11-1

Brakes

SHIMANO ULTEGRA HYDRAULIC DISC

Type: Shimano Ultegra Hydraulic Disc

Brake Levers

SHIMANO ULTEGRA ST-R8020

Wheels
Rims

622-19 24H FOR TYRE 622-28/62 DISC TUBELESS READY

Front Hub

F: ALLOY THRU AXLE 12x100mm 24H SEALED BEARINGS CL \ R: ALLOY THRU AXLE 12x142mm 24H SEALED BEARINGS CL

Rear Hub

F: ALLOY THRU AXLE 12x100mm 24H SEALED BEARINGS CL \ R: ALLOY THRU AXLE 12x142mm 24H SEALED BEARINGS CL

Tires

PERFORMANCE TIRE 700x28C

Disc Rotors

SHIMANO SM-RT70 140mm CENTER LOCK

Rider Notes
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First added May 10

Last updated April 28

Not listed for 763 days