STRATTOS C: Ride All Day, Every Day

Endurance Road Race | ACX Carbon Frame | 3 Available Builds
We designed the Polygon STRATTOS C series for all-day epics and long-distance adventures where comfort and efficiency are the top priorities. Featuring wide tire clearance (up to 34c) and dropped seat stays to dampen road vibrations, this endurance road bike offers a smooth ride without compromising stiffness. With a versatile road geometry that encourages a relaxed riding position, the STRATTOS C turns every endurance ride into pure enjoyment.
ENDURANCE
2026 STRATTOS C7 Di2 Road Bike

STRATTOS C7 Di2

$3,999.00

To place an order, please choose size and color first. This item is now available. Learn more.

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  • SKU : 503398
Strattos C Feature 4

Features

  • ACX Carbon Frame Built for Compliance

    The STRATTOS C is crafted from ACX carbon, specifically tuned to balance lightweight performance with vibration dampening. Unlike stiff race frames, this layup is engineered to absorb road chatter, allowing you to ride further with less muscular fatigue.

  • 34mm All-Road Tyre Clearance

    With clearance for up to 34mm tyres, the STRATTOS C offers true all-road versatility. Run higher-volume tyres at lower pressures to maximize grip and comfort, whether you're tackling smooth tarmac or light gravel paths.

  • LINC Semi-Integrated Carbon Cockpit

    The LINC component line offers the perfect middle ground: the aerodynamic gains of internal routing with the mechanical adjustability of a semi-integrated handlebar and stem. Maintain your bike with ease without sacrificing a watt of efficiency.

  • SRAM UDH (Universal Derailleur Hanger)

    Future-proof your drivetrain. By including the SRAM UDH, the STRATTOS C is fully compatible with the latest "Hangerless" Transmission groupsets and ensures you can find a replacement part in almost any bike shop worldwide.

Specification

*Specifications, colors, and product availability are subject to change without prior notice.
  • Frameset
    Frameset

    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

  • Brake
    Brake Lever

    SHIMANO 105 ST-R7170

    Brake Caliper

    SHIMANO 105 HYDRAULIC DISC

    Rotor

    SHIMANO SM-RT70 F:160mm / R:160mm CENTER LOCK

Geometry & Size

XXS XS S M L XL XXL
Height (cm) 151-161 154-164 162-170 168-176 174-181 180-187 185-195
Seat Tube Length (A) 400 15.75 430 16.93 470 18.5 520 20.47 560 22.05 579 22.8 610 24.02
Seat Tube Angle (B) 74.5 2.93 74.5 2.93 74 2.91 73.5 2.89 73 2.87 73 2.87 73 2.87
Effective Seat Tube Angle (C) 74.5 2.93 74.5 2.93 74 2.91 73.5 2.89 73 2.87 73 2.87 73 2.87
Head Tube Length (D) 100 3.94 115 4.53 125 4.92 136 5.35 162 6.38 191 7.52 217 8.54
Head Tube Angle (E) 70.5 2.78 70.5 2.78 71.5 2.81 72 2.83 72 2.83 72 2.83 72 2.83
Effective Top Tube (F) 497.4 19.58 507.2 19.97 525.1 20.67 542.4 21.35 564.3 22.22 580.97 22.87 597.61 23.53
Bb Height (G) 268 10.55 268 10.55 267 10.51 270.5 10.65 270.5 10.65 273 10.75 273 10.75
Bb Offset (H) 76.5 3.01 76.5 3.01 76.5 3.01 74 2.91 74 2.91 71.5 2.81 71.5 2.81
Chainstay Length (I) 415 16.34 415 16.34 415 16.34 414 16.3 415 16.34 415 16.34 415 16.34
Wheelbase (J) 975.1 38.39 985.1 38.78 989.3 38.95 995.2 39.18 1012.3 39.85 1030.7 40.58 1047.84 41.25
Frame Reach (K) 355 13.98 360 14.17 369 14.53 378 14.88 387 15.24 396 15.59 405 15.94
Frame Stack (L) 516.9 20.35 531.1 20.91 544.3 21.43 555 21.85 580 22.83 605 23.82 630 24.8
Standover Height (M) 686.1 27.01 711.4 28.01 747.4 29.43 784.5 30.89 821.7 32.35 844 33.23 867.9 34.17
Strattos MY25

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