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    MSRP
    Where to Buy
    $1

    At

    Category
    BMX
    Weight
    17.2 lbs
    Frame
    Aluminum
    Steel
    Wheels
    Aluminum
    Wheel Size
    20″
    Promax Rim
    Drivetrain
    Brand Site

    radiobikes.com

    Summary
    The RADIO COBALT MINI is a 20″ aluminum frame bmx bike with promax rim brakes.

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    Insights
    Geometry
    Specs
    Frame

    6061 T6 alloy, forged dropouts with int. chaintensioner

    BB StandardBSA, Threaded

    ColorsBlack; Metallic Red

    Fork

    cr-mo, 1″ butted steerer tube, hi-ten fork legs, 23mm offset

    Bottom Bracket

    Radio, BSA square taper, sealed

    Headset

    Radio, integrated headset, sealed, 1″

    Stem

    Radio, Cobalt-toploader, ext. 40mm, alloy

    Handlebar

    4130 seamless cr-mo

    Saddle

    RADIO “Mini” combo seat

    Seatpost

    Radio 22.2mm alloy

    TypeRigid

    Pedals

    Radio, Cobalt Junior, nylon

    Grips

    Radio, diamond knurling, closed end, flangeless, 102mm length

    Groupset
    Crank

    RADIO “Cobalt” forged alloy 3pc crank, 140mm long

    Cassette

    RADIO alloy, 38t sprocket

    Chain

    KMC, Z6, 1/2″ x 3/32″

    Brakes

    PROMAX “MV-87” alloy brake rear

    TypePromax Rim

    Brake Levers

    PROMAX “XL-378” alloy brake rear

    Wheels
    Rims

    Radio, A-M5, double wall, 28H, alloy f&r

    Front Hub

    RADIO “Cobalt” alloy CNC hub, fully sealed, 3/8″s, 28h, crmo axle

    Rear Hub

    RADIO “Cobalt” alloy CNC hub, fully sealed, 3/8″s, crmo axle, 28h, flip flop

    Tires

    Arisun, XLR8, 20″x 1-1/8″

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