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    HELIOS A8X2025 Polygon
    Recommended
    MSRP
    $4,699
    Where to Buy
    $2,999

    36% off At Bikes Online

    Category
    		Race
    8.6
    Frame
    		Carbon
    		Carbon
    Wheels
    		Carbon
    Wheel Size
    		700c
    		Shimano Ultegra Hydraulic Disc
    		Ultegra, Ultegra Di2
    Drivetrain
    		2 × 12 Electronic
    Brand Site

    polygonbikes.com

    Summary
    		The Polygon HELIOS A8X is a carbon frame race bike with high-end components and shimano ultegra hydraulic disc brakes.

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    Insights
    Ride Feel

    Based on frame geometry and build specs.

    Rider Position
    relaxedaggressive
    Terrain
    smoothrugged
    HELIOS A8X
    Other Race bikes
    Gear Range

    A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

    Lowest gear

    (climbing)

    41 mph

    HELIOS A8X

    Highest gear

    (descending)

    Spec Level

    Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

    Geometry
    Specs
    HELIOS A8X2025 Polygon
    Frame

    carbon

    BB Standard: BB86/BB92, Press Fit

    Color: Jet Black

    Fork

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

    Shock

    -

    Bottom Bracket

    SHIMANO SM-BB92-41B, PRESSFIT BB86

    Headset

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

    Stem

    Vision Metron 5D ACR Integrated, 100mm Length (XS-S), 110mm Length (M-L), 120mm Length (XL), 6-Degree

    Handlebar

    VISION METRON 5D ACR INTEGRATED, W: 400mm (XS, S) / 420mm (M, L) / 420mm (XL), BB: INTEGRATED, R/D: 125mm, B/R: 80mm

    Saddle

    ENTITY FLUX2, CR-MO ø 7mm

    Seatpost

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

    Type: Rigid

    Pedals

    -

    Groupset
    Rear Derailleur

    SHIMANO ULTEGRA Di2 RD-R8150 DIRECT ATTACH

    Front Derailleur

    Shimano Ultegra Di2 FD-R8150, Braze-On

    Crank

    SHIMANO ULTEGRA FC-R8100 52/36T, CRANK ARM: 170mm (XS, S, M) / 172.5mm (L, XL)

    Shifters

    SHIMANO ULTEGRA Di2 ST-R8170, 2x12-SPEED DCL

    Cassette

    SHIMANO ULTEGRA CS-R8100-12 11-34T

    Chain

    12-SPEED CHAIN

    Brakes

    SHIMANO ULTEGRA HYDRAULIC DISC

    Type: Shimano Ultegra Hydraulic Disc

    Brake Levers

    SHIMANO ULTEGRA HYDRAULIC DISC

    Wheels
    Rims

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

    Spokes

    STAINLESS STRAIGHT PULL BUTTE

    Front Hub

    ALLOY THRU AXLE 12x100mm 24H SEALED BEARINGS CENTER LOCK

    Rear Hub

    ALLOY THRU AXLE 12x142mm 24H SEALED BEARINGS CENTER LOCK

    Tires

    SCHWALBE ONE ADDIX TLE 700x28C

    Disc Rotors

    SHIMANO ULTEGRA HYDRAULIC DISC

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