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Today’s Deals2025 Polygon
Strattos C8
A carbon frame endurance bike with high-end components and shimano ultegra hydraulic disc brakes.
Manufacturer Price
A$4,999($3,576)| Frame | Carbon |
|---|---|
| Fork | Carbon |
| Wheels | 700c Carbon |
| Drivetrain | 2 × 12 Electronic |
| Groupset | Ultegra Di2 |
| Brakes | Shimano Ultegra Hydraulic Disc |
4'11" – 5'4"
5'0" – 5'5"
5'3" – 5'7"
5'6" – 5'10"
5'8" – 6'0"
5'10" – 6'2"
6'0" – 6'5"
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 | ACX All-Round, Carbon, All-Round 700C, Internal Cable Routing, Integrated Seat Clamp w/ Bolt, 12x142mm Thru Axle, UDH Hanger, Flat-Mount Disc Brake Hanger Standard: UDH Tire Clearance: 34c |
|---|---|
| Fork | ACX All-Round, Full Carbon, Tapered Steerer 1-1/8"–1-1/2", 12x100mm Thru Axle, Flat-Mount Disc, Full Internal Brake & Shifter Routing |
| 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 Type: Rigid |
| Rear Derailleur | Shimano Ultegra Di2 RD-R8150, Direct Attach |
|---|---|
| Front Derailleur | Shimano Ultegra Di2 FD-R8150, Braze-On, Down-Pull |
| Crank | 50/34T, Max Chainring: 53/39T |
| Shifters | Shimano Ultegra Di2 ST-R8170, 2×12 Speed |
| Cassette | Shimano Ultegra CS-R8101-12, 12-Speed, 11–34T |
| Chain | KMC X12 EPT, 12-Speed |
| Brakes | Front: Shimano Ultegra BR-R8170, 2-Piston, Hydraulic Disc, Rear: Shimano Ultegra BR-R8170, 2-Piston, Hydraulic Disc Type: Shimano Ultegra Hydraulic Disc |
| Rims | Polygon & Novatec WR4 Carbon Rim, 40mm depth, 21mm internal, Tubeless Ready ** |
|---|---|
| Front Hub | Novatech D981, Thru Axle 12x100mm, 24H, Sealed Bearings, Centerlock |
| Rear Hub | Novatech D982, Thru Axle 12x142mm, 24H, Sealed Bearings, Centerlock |
| Tires | Schwalbe One Addix TLE, 700×28mm, Tubeless Ready ** |
| Disc Rotors | Shimano Ultegra CL-800, Front/Rear 160mm, Center Lock |
First added December 27
Last updated May 30