Bike Comparison
    MSRP
    $350
    Where to Buy
    $1

    At

    Category
    General Youth
    Aluminum
    Fork
    Steel
    Wheels
    Aluminum
    Wheel Size
    20″
    Brakes
    Rim
    Groupset
    Drivetrain
    Single-speed
    Brand Site

    gtbicycles.com

    Summary
    The GT Mach One Junior is a 20″ aluminum frame general youth bike with rim 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

    Mach One Junior

    Highest gear

    (descending)

    Geometry
    Specs
    Frame

    GT Mach One Race, 6061-T6 AL, Euro BB, Reverse Dropouts, 1" Integrated H/T

    Fork

    GT BMX Junior Race, Hi-Ten Steel 1" Steerer, Oval 31.8 X 1.4mm Blades, 315mm A/C, 3/8" Dropouts

    Bottom Bracket

    Euro Sealed Bearings

    Headset

    1" Integrated Design, 36X45 Degree Sealed Bearings

    Stem

    GT Top Load 1" Aluminum, 40mm

    Handlebar

    GT Race, Steel, 4"H x 24"W 8° Back, 2° Up, 19mm O.D. Cross Bar

    Saddle

    GT Uni Mini Kevlar Padded

    Seatpost

    Alloy integrated w/ Saddle, 25.4 x 150mm

    Grips

    GT Statement logo grips

    Groupset
    Crank

    Alloy Forged 3pc. Square Taper, 140mm, BCD110, 36T Steel Chain Ring, Chain Ring Bolts

    Cassette

    14T freewheel

    Chain

    KMC S1

    Brakes

    Alloy V-type

    Brake Levers

    Alloy V-type

    Wheels
    Rims

    Alloy Double Wall, 28h

    Spokes

    Stainless Spokes, 14g

    Front Hub

    Steel Body, 28h, 3/8" Axle

    Rear Hub

    Steel Flip Flop Thread-On Body, Freewheel, 28h, 3/8" Axle

    Tires

    Kenda Race, 20 x 1-3/8"

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