IN THE RELENTLESS PURSUIT OF SPEED

DESIGNED TO CUT THROUGH AIR BETTER
In our pursuit of speed, we cyclists have always seen nature as an adversary. From daunting air drag to coarse road surfaces, we sought to minimize interaction with our surroundings in hopes of achieving optimal efficiency. Helios is here to transform that paradigm because by embracing nature, we can be even faster.
PERFORMANCE ?
PERFORMANCE ?
Chasing for speed and against the wind, or fun Sunday club ride with friends around town; all you need is here. See more...
Polygon Helios A8 Road Bike

HELIOS A8 2025

$3,299.00
FIND DEALER
  • SKU : 502760

Specification

  • Frameset
    Frameset

    ACX PERFORMANCE UCI APPROVED

    Fork

    ACX PERFORMANCE UCI APPROVED, TAPER 1-1/8" TO 1-1/2"

    Frame Color

    NUBIUM GREY

    Decal Color

    BLACK - WHITE

  • Drivetrain
    Shifter

    SHIMANO ULTEGRA ST-R8020, 2x11-SPEED DCL

    Crank

    SHIMANO ULTEGRA FC-R8000 52/36T, CRANK ARM: 170mm (XS, S, M) / 172.5mm (L, XL)

    Cassette

    SHIMANO ULTEGRA CS-R8000-11 11-34T

    Rear Derailleur

    SHIMANO ULTEGRA RD-R8000-GS

    BB

    SHIMANO BB-RS500-PB, PRESSFIT BB86

    Chain

    SHIMANO CN-HG601-11

    Pedal

    -

  • Cockpit
    Saddle

    ENTITY FLUX2, CR-MO ø 7mm

    Seatpost

    CARBON, AERO 35 x 337mm (XS) / 357mm (S, M, L, XL)

    Handlebar

    FSA ENERGY COMPACT, W: 400mm (XS, S) / 420mm (M, L) / 440mm (XL), BB: 31.8mm, R/D: 123.2mm, B/R: 78mm

    Handlestem

    FSA NS SMR, EXT: 90mm (XS, S) / 100mm (M, L) / 110mm (XL), BB: 31.8mm, B/R: 6degree

    Headset

    INTEGRATED (IS) SEALED BEARING FOR OS HEAD TUBE, IS 52/28.6 | IS 52/40

  • Wheel & Tire
    Wheel Set

    ENTITY WR5 DISC (50mm) W/ TUBELESS TAPE INSTALLED

    Wheel Size

    700C

    Tire

    SCHWALBE ONE ADDIX TLE 700x28C

    Rim

    CARBON 622-19 24H FOR TYRE 622-28/62 DISC TUBELESS READY

    Hub

    F: ALLOY THRU AXLE 12x100mm 24H SEALED BEARINGS CENTER LOCK / R: ALLOY THRU AXLE 12x142mm 24H SEALED BEARINGS CENTER LOCK

  • Brake
    Brake Lever

    SHIMANO ULTEGRA ST-R8020

    Brake Caliper

    SHIMANO ULTEGRA BR-R8070 FLAT

    Rotor

    SHIMANO SM-RT70 F:160mm / R:140mm CENTER LOCK

Geometry & Size

XXS XS S M L XL
Height (cm) 151-161 154-164 162-170 168-176 174-181 180-187
Seat Tube Length (A) 450 17.72 475 18.7 500 19.69 520 20.47 545 21.46 570 22.44
Seat Tube Angle (B) 75 2.95 74.7 2.94 74.3 2.93 74 2.91 73.7 2.9 73.3 2.89
Effective Seat Tube Angle (C) 75 2.95 74.7 2.94 74.3 2.93 74 2.91 73.7 2.9 73.3 2.89
Head Tube Length (D) 100 3.94 115 4.53 130 5.12 145 5.71 160 6.3 175 6.89
Head Tube Angle (E) 71.5 2.81 71.8 2.83 72 2.83 72.3 2.85 72.3 2.85 72.8 2.87
Effective Top Tube (F) 505.31 19.89 517.31 20.37 530.42 20.88 543.04 21.38 555.14 21.86 569.25 22.41
Bb Height (G) 271 10.67 271 10.67 271 10.67 271 10.67 271 10.67 271 10.67
Bb Offset (H) 73 2.87 73 2.87 73 2.87 73 2.87 73 2.87 73 2.87
Chainstay Length (I) 415 16.34 415 16.34 415 16.34 415 16.34 415 16.34 415 16.34
Wheelbase (J) 968.42 38.13 975.82 38.42 983.9 38.74 991.1 39.02 1000.62 39.39 1005.8 39.6
Frame Reach (K) 370 14.57 375 14.76 380 14.96 385 15.16 390 15.35 395 15.55
Frame Stack (L) 505 19.88 520.21 20.48 535.2 21.07 550.4 21.67 564.7 22.23 580.8 22.87
Standover Height (M) 715.04 28.15 739.4 29.11 763.21 30.05 780.8 30.74 802.52 31.6 824.28 32.45

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