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2026 Polygon

Strattos C9

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

$4,499$4,999
FrameCarbon
ForkCarbon
Wheels700c Carbon
Drivetrain2 × 12 Electronic
GroupsetForce eTap
BrakesSRAM Force Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
Strattos C9
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)

41 mph

Strattos C9

39 mph

Similar Bikes

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

View Comparison
Sizing
XXS

5'1" – 5'6"

XS

5'4" – 5'9"

SM

5'7" – 5'11"

MD

5'9" – 6'1"

LG

6'0" – 6'4"

XL

6'2" – 6'6"

XXL

6'4" – 6'9"

🐐 Estimated

Rider Fit Notes

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Price History
Reviews
Bikerumor
Polygon Strattos C is a Lighter, Comfortable Carbon All-Road Bike, Still Quite Affordable

Dec 2025 · Cory Benson

This carbon Polygon Strattos C all-road bike fits 34mm tires, and comes with Di2 and carbon wheels for less than three grand!

Read Review

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

ACX All-Round, Carbon, Internal Cable Routing, Integrated Seat Clamp w/ Bolt, 12x142mm Thru Axle, UDH Hanger, Flat-Mount Disc Brake

Hanger StandardUDH

Tire Clearance34c

Fork

ACX All-Round, Carbon, Tapered Steerer 1-1/8"–1-1/2", 12x100mm Thru Axle, Flat Mount Disc

Headset

Integrated (IS) Sealed Bearings, IS 52/28.6 Top | IS 52/40 Bottom

Stem

LINC Carbon Integrated, 90 mm (XXS) / 100 mm (XS–S) / 110 mm (M–L) / 120 mm (XL–XXL)

Handlebar

LINC Carbon Integrated, Width: 380 mm (XXS–S) / 400 mm (M–L) / 420 mm (XL–XXL), Reach 75 mm, Drop 125 mm, 10° Bend

Saddle

LINC Glyd, CR-MO Rails Ø7mm

Seatpost

Polygon Xpert Alloy, 27.2 x 350mm, Integrated Clamp

TypeRigid

Groupset
Rear Derailleur

SRAM Force AXS E1 Direct Attach

Front Derailleur

SRAM Force AXS E1, Braze-On, Down-Pull

Crank

48/35T, Max Chainring: 53/39T

Shifters

SRAM Force AXS E1, 2×12 Speed

Cassette

SRAM Force XG-1270, 12-Speed, 10–36T, XDR

Chain

SRAM Force E1 W/ Powerlock, 12-Speed

Brakes

Front: SRAM Force, 2-Piston, Hydraulic Disc, Rear: SRAM Force, 2-Piston, Hydraulic Disc

TypeSRAM Force Hydraulic Disc

Wheels
Rims

LINC Alpha 35 Carbon Disc, 35 mm Depth, 22mm Internal Width, Tubeless-Ready **

Front Hub

LINC Alloy Thru Axle 12x100mm, 21H, Sealed Bearings, Center Lock

Rear Hub

LINC Alloy Thru Axle 12x142mm, 24H, Sealed Bearings, Center Lock

Tires

Schwalbe One Addix TLE, 700×28mm, Tubeless Ready

Disc Rotors

SRAM Paceline, Front/Rear 160mm, Center Lock

Rider Notes
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First added March 7

Last updated May 30