Bike Comparison
    MSRP
    $689
    Where to Buy
    $1

    At

    Category
    Mountain Youth
    3.5
    Aluminum
    Fork
    Suntour XCM
    Wheels
    Aluminum
    Wheel Size
    20″
    Brakes
    Hydraulic Disc
    Groupset
    X4, X5
    Drivetrain
    1 × 9
    Suspension
    Hardtail
    Front Travel
    80mm
    Brand Site

    bikes.com

    Summary
    The Rocky Mountain Vertex Jr 20 is a 20″ aluminum frame mountain youth bike with mid-range components and hydraulic disc brakes.
    Similar Bikes
    Accessories
    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)

    15 mph

    Vertex Jr 20

    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

    Rocky Mountain 6061 SL Alloy. Threaded BB. Zero Stack Headtube. 20" Kid's Geometry

    BB StandardBSA, Threaded

    Fork

    Suntour XCM JR Air 80mm

    Bottom Bracket

    SR Suntour Sealed Cartridge Bearing

    Headset

    FSA No. 10P

    Stem

    Rocky Mountain XC

    Handlebar

    Rocky Mountain XC 600mm

    Saddle

    Rocky Mountain Pivotal Kids

    Seatpost

    Rocky Mountain Pivotal 27.2mm

    Pedals

    Composite Kids

    Grips

    Rocky Mountain Slide On Kids

    Groupset
    Rear Derailleur

    SRAM X4 9 Spd

    Crank

    Rocky Mountain Microdrive 28T

    Shifters

    SRAM X5

    Cassette

    SunRace CSM98 11-36T 9 Spd

    Chain

    KMC X9

    Brakes

    Shimano MT200 2 Piston

    Brake Levers

    Shimano MT200

    Wheels
    Rims

    WTB SX17

    Spokes

    2.0 Stainless

    Front Hub

    Shimano TX505

    Rear Hub

    Shimano TX505

    Tires

    VeeTire Crown GEM 20x2.25

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