Bikes up to 60% offWe monitor over 40,000 bikes daily to find the best prices
Today’s Deals2024 Polygon
Strattos S4 Disc
An aluminum frame endurance bike with mid-range components and hydraulic disc brakes.
Compare the full range
Manufacturer Price
$1,399| Frame | Aluminum |
|---|---|
| Fork | Carbon |
| Wheels | 700c Aluminum |
| Drivetrain | 2 × 10 |
| Groupset | Tiagra |
| Brakes | Hydraulic Disc |
Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.
Compare the full STRATTOS model range
View Comparison5'2" – 5'5"
5'4" – 5'8"
5'5" – 5'10"
5'8" – 6'0"
5'10" – 6'3"
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.
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!
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.
| Frame | ALX All-Round, Internally Routed, BSA Threaded 68mm, 12x142mm BB Standard: BSA, 68mm, Threaded |
|---|---|
| Fork | Full Carbon, Taper 1-1/8" To 1-1/2", Flat Mount Disc Brake |
| Bottom Bracket | BSA, 68mm, threaded |
| Stem | Entity Sport Alloy, 31.8mm, 7° |
| Handlebar | Entity Sport Alloy, 31.8mm |
| Saddle | Entity, Steel Ø 7mm |
| Seatpost | Entity Sport Alloy, 27.2 X 350mm Type: Rigid |
| Pedals | Not Included |
| Rear Derailleur | Shimano Tiagra RD-4700-SS Direct Attach |
|---|---|
| Front Derailleur | Shimano FD-4700 Tiagra Double FRONT DERAILLEUR |
| Crank | 50/34T |
| Shifters | Shimano Tiagra St-R4720, 2x10-Speed Dual Control Lever |
| Cassette | Shimano Tiagra CS-HH500 12-28T |
| Chain | KMC X10 |
| Brakes | Hydraulic Disc Type: Hydraulic Disc |
| Rims | Polygon RD6 Disc, 19mm Inner Width, Tubeless Rim Tape Installed** |
|---|---|
| Front Hub | Alloy Thru Axle 12x100mm 24H Sealed Bearings 6-Bolts |
| Rear Hub | Alloy Thru Axle 12x142mm 24H Sealed Bearings 6-Bolts, 11-Speed |
| Tires | Schwalbe One Addix 700x28C, Tube Type * |
First added September 3
Last updated August 23
Not listed for 282 days