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    MSRP
    Where to Buy
    $1

    At

    Category
    Aero
    3.2
    Frame
    Aluminum
    Carbon
    Wheels
    Aluminum
    Wheel Size
    700c
    microSHIFT R9 Mechanical Disc
    microSHIFT R9
    Drivetrain
    Brand Site

    brossbikes.com

    Summary
    The Bross ZENITH A1 is an aluminum frame aero bike with mid-range components and microshift r9 mechanical disc brakes.

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    Insights
    Geometry
    Specs
    Frame

    BROSS ZENITH aluminum frame, full internal cable routing, flat mount disc brake, 142x12mm thru axle, BSA threaded bottom bracket

    BB StandardBSA, 68mm, Threaded

    Fork

    BROSS ZENITH carbon fiber fork, flat mount disc brake, internal routing, 100x12mm thru axle

    Bottom Bracket

    BSA, 68mm, threaded

    Headset

    BROSS fully hidden internal routing headset

    Stem

    BROSS ZENITH aluminum integrated stem

    Handlebar

    BROSS ZENITH aluminum aero handlebar

    Saddle

    SR saddle

    Seatpost

    BROSS ZENITH aluminum aero seatpost

    TypeRigid

    Groupset
    Rear Derailleur

    L-TWOO RD-R9

    Front Derailleur

    L-TWOO FD-R9

    Crank

    PROWHEEL RPL integrated crankset

    Shifters

    L-TWOO ST-R9

    Cassette

    L-TWOO 11-32T

    Chain

    KMC x11

    Brakes

    L-TWOO BR-R9 caliper, BROSS disc rotor

    TypemicroSHIFT R9 Mechanical Disc

    Wheels
    Rims

    BROSS BRW-D rim

    Tires

    CONTINENTAL ULTRA SPORT 700x28C

    Disc Rotors

    BROSS disc rotor

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