Bikes up to 60% offWe monitor over 40,000 bikes daily to find the best prices

Today’s Deals
Bike Comparison
    HELIOS A8 Di22025 Polygon
    Recommended
    MSRP
    $4,699
    Where to Buy
    —
    $1

    At

    Category
    		Race
    8.7
    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 A8 Di2 is a carbon frame race bike with high-end components and shimano ultegra hydraulic disc brakes.

    Ask 99 Spokes

    Want to ask an actual human?

    Get free advice from a Gear Advisor at Jenson USA

    Text a Gear Advisor
    Similar Bikes
    Insights
    Ride Feel

    Based on frame geometry and build specs.

    Rider Position
    relaxedaggressive
    Terrain
    smoothrugged
    HELIOS A8 Di2
    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 A8 Di2

    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 A8 Di22025 Polygon
    Frame

    carbon

    BB Standard: T47, Threaded

    Color: Midnight Pine / Chrome Rocket

    Fork

    ACX PERFORMANCE UCI APPROVED

    Bottom Bracket

    TOKEN T47 85.5 FOR 24mm SPINDLE

    Headset

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

    Handlebar

    LINC CARBON, W: 400mm (XXXS, XXS, XS) / 420mm (S, M) / 440mm (L, XL), BB: 31.8mm, R/D: -134.2 mm (XXXS, XXS, XS) / -138.2mm (S, M, L, XL), B/R: 92.5mm (XXXS, XXS, XS) / 89.7mm (S, M, L, XL)

    Saddle

    LINC FLUX2, CR-MO ø 7mm

    Seatpost

    CARBON AERO, DxL: AERO 35 x 351mm

    Type: Rigid

    Groupset
    Rear Derailleur

    SHIMANO ULTEGRA Di2 RD-R8150 DIRECT ATTACH

    Crank

    SHIMANO ULTEGRA FC-R8100 52/36T

    Shifters

    SHIMANO ULTEGRA Di2 ST-R8170, 2x12-SPEED

    Cassette

    SHIMANO ULTEGRA CS-R8101-12 11-34T

    Chain

    KMC X12 EPT 12-SPEED

    Brakes

    SHIMANO ULTEGRA HYDRAULIC DISC

    Type: Shimano Ultegra Hydraulic Disc

    Brake Levers

    SHIMANO ULTEGRA ST-R8170

    Wheels
    Rims

    F: CARBON 622-22 20H FOR TYRE 622-28/62 DISC TUBELESS READY / R: CARBON 622-22 24H FOR TYRE 622-28/62 DISC TUBELESS READY

    Spokes

    F: STAINLESS DOUBLE BUTTED NDS:278mm DS:280mm / R: STAINLESS DOUBLE BUTTED NDS:272mm DS:274mm

    Front Hub

    ALLOY THRU AXLE 12x100mm 20H SEALED BEARINGS CENTER LOCK

    Rear Hub

    ALLOY THRU AXLE 12x142mm 24H SEALED BEARINGS CENTER LOCK

    Tires

    PIRELLI PZERO ROAD TLR 700x28C

    Disc Rotors

    SHIMANO ULTEGRA CL800 F:160mm / R:140mm CENTER LOCK

    Riders Also Compared