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    Recommended
    MSRP
    Where to Buy
    $1

    At

    Category
    Dirt Jump
    Weight
    28.0 lbs
    6.7
    Frame
    Aluminum
    RockShox Pike DJ
    RockShox Monarch R
    Wheels
    Aluminum
    Wheel Size
    26″
    Tektro Hydraulic Disc
    Race Face
    Drivetrain
    Suspension
    Full
    Front Travel
    100mm
    Rear Travel
    100mm
    Brand Site

    radiobikes.com

    Summary
    The RADIO SIREN is a 26″ aluminum frame full suspension dirt jump bike with mid-range components.

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    Insights
    Geometry
    Specs
    Frame

    RADIO “SIREN” frame, 6061-T6 hydroformed & butted alloy, tapered head tube, 100mm travel

    BB StandardBSA, 73mm, Threaded

    ColorMatt Black

    Fork

    ROCKSHOX “PIKE DJ” fork, 100mm travel

    Travel100mm

    Spring TypeAir

    Shock

    ROCK SHOX “RS-MONARCH R” 190×51

    Travel100mm

    Bottom Bracket

    RACE FACE “AEFFECT” BSA, sealed bearing

    Headset

    FSA “NO.42/ACB-A” integrated a-headset, 1-1/8″-1.5″

    Stem

    RACE FACE “CHESTER 35” front load stem, alloy, 40mm reach

    Handlebar

    RADIO “GRIFFIN” bar, 6061-T6 alloy, 35mm

    Saddle

    RADIO “Century” Pivotal seat fat padded

    Seatpost

     RADIO 27.2mm alloy Pivotal

    TypeRigid

    Pedals

    RADIO “SLIM” nylon/fiberglass pedals

    Grips

    RADIO “FREQUENCY XL” grips, flangeless, 160mm

    Groupset
    Crank

    RACE FACE “AEFFECT” crank alloy, 170mm

    Cassette

    RACE FACE “AEFFECT” alloy sprocket 28T

    Chain

    SALT “AM” chain, WZ1 type

    Brakes

    TEKTRO “ARIES” mechanical disc brake front, 160mm rotor/ SRAM “DB-LVL-A1” hydraulic disc brake rear, 160mm rotor

    TypeTektro Hydraulic Disc

    Brake Levers

    TEKTRO “RS-360A” front, SRAM “DB-LVL-A1” rear

    Wheels
    Rims

    Front: RADIO “DB-T25” rim, double wall, sleeved, Rear: RADIO “DB-T25” rim, double wall, sleeved

    Front Hub

    RADIO “PRO-DJ” disc hub, sealed, 15mm alloy through axle, 32h

    Rear Hub

    RADIO “PRO-DJ” disc hub, sealed, 3/8″s crmo axle, 32h

    Tires

    MAXXIS “DTH” tires, 2.3″ front & rear

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