Chat ZaloSmooth ACX carbon frame
The ACX carbon layup is tuned to be both light and vibration-damping, so you can ride longer with less fatigue than on a stiff race frame.
Polygon · Road bikes
Polygon STRATTOS C7 Di2
Endurance road for long distances
- New 2026
- Endurance Road
- ACX carbon frame
- Shimano 105 Di2
Retail price76.500.000₫
- Genuine Polygon bike, distributed by Spinlab
- Free shipping on orders from 2,000,000₫
- Free size advice via our hotline
Endurance road for long distances
Strattos C is designed for long days in the saddle and long-distance adventures where comfort and efficiency come first. Clearance for up to 34c tyres and dropped seat stays reduce road vibration without losing stiffness; relaxed geometry makes every endurance ride a pleasure.
Versions in the Strattos C range: STRATTOS C9 AXS · STRATTOS C8 Di2 · STRATTOS C7 Di2
Key features
34mm all-road tyre clearance
Fit tyres up to 34mm and run lower pressures for more grip and comfort — from tarmac to light gravel.
LINC semi-integrated carbon cockpit
Aerodynamic internal routing that is easy to maintain and adjust.
SRAM UDH derailleur hanger
Compatible with hangerless SRAM Transmission drivetrains; replacement hangers are easy to find in most bike shops.
Technical specifications
Frameset
- Frame
- ACX ALL-ROUND
- Fork
- ACX ALL-ROUND FULL CARBON
- Frame Color
- BLUE
- Decal Color
- WHITE
Drivetrain
- Shifter
- SHIMANO 105 Di2 ST-R7170, 2x12 SPEED
- Crank
- SHIMANO 105 FC-R7100 50/34T
- Cassette
- SHIMANO 105 CS-R7101-12 12-SPEED 11-34T
- Rear Derailleur
- SHIMANO 105 Di2 RD-R7150
- BB
- TOKEN T47 68 FOR 24mm SPINDLE
- Chain
- KMC X12 12-SPEED
Cockpit
- Saddle
- LINC GLYD, CR-MO ø 7mm
- Seatpost
- POLYGON XPERT ALLOY, DxL: 27.2 x 350mm
- Handlebar
- LINC CARBON INTEGRATED, W: 380mm (XXS, XS, S) / 400mm (M, L) / 420mm (XL, XXL), BB: INTEGRATED, R/D: 125mm, B/R: 75mm
- Handlestem
- LINC CARBON INTEGRATED, EXT: 90mm (XXS) / 100mm (XS, S) / 110mm (M, L) / 120mm (XL, XXL), BB: INTEGRATED, R/D: 10degree
- Headset
- INTEGRATED (IS) SEALED BEARING FOR OS HEAD TUBE, IS 52/28.6 | IS 52/40
Wheel & Tire
- Wheel Set
- POLYGON WR4 CARBON DISC
- Tire
- SCHWALBE ONE ADDIX TLE 700x28C
- Rim
- F: CACRBON 622-21 24H FOR TYRE 622-28/62 45MM DEPTH, DISC TUBELESS READY, R: CARBON 622-21 24H FOR TYRE 622-28/62 45MM DEPTH, DISC TUBELESS READY
- Hub
- F: ALLOY THRU AXLE 12x100mm 24H SEALED BEARINGS CL, R: ALLOY THRU AXLE 12x142mm 24H SEALED BEARINGS CL
- Spokes
- F: STAINLESS SPOKES NDS:266mm DS:268mm, R: STAINLESS SPOKES NDS:266mm DS:264mm
Brakes
- Brake lever
- SHIMANO 105 ST-R7170
- Brake Caliper
- SHIMANO 105 HYDRAULIC DISC
- Rotor
- SHIMANO SM-RT70 F:160mm / R:160mm CENTER LOCK
Specifications may change between shipments. Please contact Spinlab to confirm the bike's configuration in Vietnam.
Frame geometry
| Specifications | XXS | XS | S | M | L | XL | XXL |
|---|---|---|---|---|---|---|---|
| Height | 151-161 | 154-164 | 162-170 | 168-176 | 174-181 | 180-187 | 185-195 |
| Seat Tube Length (A) | 400 | 430 | 470 | 520 | 560 | 579 | 610 |
| Seat Tube Angle (B) | 74.5 | 74.5 | 74 | 73.5 | 73 | 73 | 73 |
| Effective Seat Tube Angle (C) | 74.5 | 74.5 | 74 | 73.5 | 73 | 73 | 73 |
| Head Tube Length (D) | 100 | 115 | 125 | 136 | 162 | 191 | 217 |
| Head Tube Angle (E) | 70.5 | 70.5 | 71.5 | 72 | 72 | 72 | 72 |
| Effective Top Tube (F) | 497.4 | 507.2 | 525.1 | 542.4 | 564.3 | 580.97 | 597.61 |
| BB Height (G) | 268 | 268 | 267 | 270.5 | 270.5 | 273 | 273 |
| BB Drop (H) | 76.5 | 76.5 | 76.5 | 74 | 74 | 71.5 | 71.5 |
| Chainstay Length (I) | 415 | 415 | 415 | 414 | 415 | 415 | 415 |
| Wheelbase (J) | 975.1 | 985.1 | 989.3 | 995.2 | 1012.3 | 1030.7 | 1047.84 |
| Reach (K) | 355 | 360 | 369 | 378 | 387 | 396 | 405 |
| Stack (L) | 516.9 | 531.1 | 544.3 | 555 | 580 | 605 | 630 |
| Standover Height (M) | 686.1 | 711.4 | 747.4 | 784.5 | 821.7 | 844 | 867.9 |
The selected size column is highlighted. Figures from Polygon Bikes.
FAQ
How do I choose a size?
Refer to the “Rider height” row in the Frame geometry table. If your height falls between two sizes, contact Spinlab for advice based on your riding position and needs.
What warranty does the bike have?
Genuine Polygon bikes distributed by Spinlab are covered by Polygon's warranty policy. Call our hotline for details of conditions and duration.
Can I upgrade components?
Yes. Contact Spinlab for advice on suitable upgrades, such as Vittoria tyres or Emume handlebar tape.
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