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Today’s DealsStrattos S8X
A carbon frame endurance bike with high-end components and shimano ultegra hydraulic disc brakes.
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Manufacturer Price
$3,199| Frame | Carbon |
|---|---|
| Fork | Carbon |
| Wheels | 700c Carbon |
| Drivetrain | 2 × 12 Electronic |
| Groupset | Ultegra Di2 |
| Brakes | Shimano Ultegra Hydraulic Disc |
Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.
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View Comparison5'1" – 5'5"
5'3" – 5'7"
5'6" – 5'10"
5'8" – 6'1"
5'10" – 6'2"
6'0" – 6'5"
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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 | ACX All-Round Uci Approved, Internally Routed, Pressfit BB86, 12x142mm BB Standard: BB86/BB92, Press Fit |
|---|---|
| Fork | Full Carbon, Taper 1-1/8" To 1-1/2", Flat Mount Disc Brake |
| Bottom Bracket | BB86/BB92, press-fit |
| Stem | Entity Xpert Alloy, 31.8mm, 10° |
| Handlebar | Entity Xpert Alloy, 31.8mm, 125mm Drop, 70mm Reach |
| Saddle | Entity Flux2, Cr-Mo Ø 7mm |
| Seatpost | Entity Xpert Carbon, 27.2 x 350mm, 15mm, Integrated Shape W/ Bolt Type: Rigid |
| Pedals | Not Included |
| Rear Derailleur | Shimano Ultegra Di2 RD-R8150 Direct Attach |
|---|---|
| Front Derailleur | Shimano Ultegra Di2 FD-R8150 Braze-On |
| Crank | 50/34T |
| Shifters | Shimano Ultegra Di2 ST-R8170, 2x12-Speed Dual Control Lever |
| Cassette | Shimano Ultegra CS-R8101, 11-34T |
| Chain | KMC X-12 |
| Brakes | Front: Shimano Ultegra BR-R8170 Hydraulic Disc, 160mm RT-CL800 Rotor, Center Lock, Rear: Shimano Ultegra BR-R8170 Hydraulic Disc, 140mm RT-CL800 Rotor, Center Lock Type: Shimano Ultegra Hydraulic Disc |
| Rims | Novatec R3, Carbon, 38mm Depth, 15mm Inner |
|---|---|
| Front Hub | Novatec D791SB-CL, 12x100mm, Straight Pull Spokes, 24H |
| Rear Hub | Novatec D792SB-CL-X12, 12x142mm, Straight Pull Spokes, 24H |
| Tires | Schwalbe One, Addix, Raceguard, Microskin, 700x28C, Tubeless ready* |
First added September 3
Last updated August 23
Not listed for 282 days