Bike Comparison
    MSRP
    $2,799$2,999
    Where to Buy
    $2,799

    7% off At Bikes Online

    Category
    Gravel
    Weight
    3.1 lbs (frame)
    7.0
    Carbon
    Fork
    Carbon
    Wheels
    Aluminum
    Wheel Size
    700c
    Brakes
    Hydraulic Disc
    Groupset
    Rival XPLR AXS, Rival AXS
    Drivetrain
    1 × 12 Electronic
    Brand Site

    bikesonline.com

    Summary
    The Polygon Tambora G8X is a carbon frame gravel bike with upper mid-range components and hydraulic disc brakes.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Rider Position
    relaxedaggressive
    Terrain
    smoothrugged
    Tambora G8X
    Other Gravel 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)

    35 mph

    Tambora G8X

    Highest gear

    (descending)

    Spec Level

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

    Geometry
    Specs
    Frame

    ACX Gravel Frame, Internal Cable Routing, BB THREADED T47 86.5mm, 12x142mm Thru-Axle, Flat Mount Disc, SRAM UDH

    BB StandardT47, Threaded

    Hanger StandardUDH

    Fork

    Polygon Full Carbon Rigid fork, Flat Disc Brake, 12x100mm

    Bottom Bracket

    SRAM DUB T47

    Headset

    ZS 56/28.6 | ZS 56/40

    Stem

    Entity Expert, 31.8mm Clamp, 7-Degree, 90mm (S,M) / 100mm (L, XL)

    Handlebar

    Polygon Alloy flare, 31.8mm Clamp Diameter, 125mm Rise, 16 Degree Flare, 420mm Width (S-M), 440mm Width (L-XL)

    Saddle

    Selle Italia Superflow

    Seatpost

    Entity Carbon, 27.2 x 300mm (S,M,L) / 27.2 x 350mm (XL)

    Groupset
    Rear Derailleur

    SRAM Rival XPLR ETAP AXS, 12-Speed

    Crank

    SRAM RIVAL 1 WIDE 40T, 170mm

    Shifters

    SRAM Rival ETAP AXS, 12-Speed Shifter

    Cassette

    SRAM XG-1251, 10-44T, 12-Speed

    Chain

    SRAM Rival, 12-Speed

    Brakes

    Front: SRAM Rival, Hydraulic Disc Brake, 160mm Rotor, Rear: SRAM Rival, Hydraulic Disc Brake, 160mm Rotor

    Wheels
    Rims

    Front: Novatec G24 Disc, 24mm Internal width, 12x100mm, 24H, Novatec D791, 6 Bolt Hub, Stainless spokes, Brass Nipple, Tubeless Tape Installed, Rear: Novatec G24 Disc, 24mm Internal width, 12X142mm, 24H, Novatec D792, 6 Bolt Hub, Stainless spokes, Brass Nipple, Tubeless Tape Installed

    Tires

    Front: Vee Tire Rail Frenzy, 700x40C, Rear: Vee Tire Rail Frenzy, 700x40C

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