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2024 Polygon

Strattos S5

An aluminum frame endurance bike with upper mid-range components and shimano 105 rim brakes.
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Manufacturer Price

$1,299
Weight20.3 lbs  
FrameAluminum
ForkCarbon
Wheels700c Aluminum
Drivetrain2 × 11
Groupset105
BrakesShimano 105 Rim
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Insights
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 S5

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.

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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

Specs
Build
Frame

ALX All-Round, Internally Routed, BSA Threaded 68mm, QR x 130mm

BB Standard: BSA, 68mm, Threaded

Fork

Full Carbon, Taper 1-1/8" To 1-1/2", Caliper, QR x 100mm

Bottom Bracket

Shimano BB-RS500

Headset

Zero Stack (Zs) Sealed Bearing For Taper Head Tube

Stem

Entity Sport Alloy, 31.8mm, 7°

Handlebar

Entity Sport Alloy, 31.8mm

Saddle

Entity, Steel 7mm

Seatpost

Entity Sport Alloy, 27.2 x 350mm, 15mm, 31.8mm W/ Bolt

Type: Rigid

Pedals

Alloy Flat

Groupset
Rear Derailleur

Shimano 105 RS-R7000-SS Direct Attach

Front Derailleur

Shimano 105 FD-R7000 Braze-On

Crank

Shimano 105 FC-R7000 50/34T

Shifters

Shimano 105 ST-R7000, 2x11-Speed Dual Control Lever

Cassette

Shimano 105 CS-R7000 11-30T

Chain

KMC X11-1

Brakes

Shimano 105 ST-R7000

Type: Shimano 105 Rim

Brake Levers

Shimano 105 ST-R7000

Wheels
Rims

Entity XL3, 19mm Inner Width, Tubeless Ready *

Front Hub

Novatec A171SB, QR x 100mm, 28H Sealed Bearings

Rear Hub

Novatec F172SB QR x 130 mm, 28H Sealed Bearings, 11-Speed

Tires

Schwalbe One Addix 700x28C, Tube Type **

Rider Notes
Riders Also Viewed

First added November 22

Last updated September 23

Not listed for 616 days