Bike Comparison
    MSRP
    $269$549
    Where to Buy
    $1

    At

    $549

    At Trek

    Category
    General YouthGeneral Youth
    Weight
    21.1 lbs
    2.0
    2.4
    AluminumAluminum
    Fork
    SteelAluminum
    Wheels
    AluminumAluminum
    Wheel Size
    20″24″
    Brakes
    RimRim
    Groupset
    TourneymicroSHIFT Acolyte
    Drivetrain
    1 × 61 × 8
    Brand Site

    gtbicycles.com

    trekbikes.com

    Summary
    The GT Stomper Prime 20" is a 20″ aluminum frame general youth bike with mid-range components and 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)

    13 mph

    2018 Stomper Prime 20"

    18 mph

    2024 Wahoo 24 Path

    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

    20" GT LegitFit Design, Alloy w/ Replaceable Hanger

    Alpha Silver Aluminum, 24''

    Fork

    GT Hi-Ten Steel, 1-1/8" Threadless Steerer

    Wahoo 24'' alloy, V-brake bosses, ThruSkew 5mm QR

    Bottom Bracket

    Cartridge Sealed

    Sealed cartridge, 68mm

    Headset

    1 1/8" Ahead

    Integrated, sealed cartridge bearings

    Stem

    Alloy Ahead, 30mm

    Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 50mm length

    Handlebar

    Steel 540mm width x 20mm rise

    Bontrager alloy, 31.8mm, 15mm rise, 580mm width

    Saddle

    GT MTB

    Kids' padded, integrated seatpost, Blendr light mount, 31.6x270mm

    Seatpost

    Alloy Micro Adjust

    Pedals

    GT BMX Flat Pedal, Resin

    Kids' Satellite, 9/16 thread

    Grips

    GT MTB

    Size: 24" wheel, Kids' grip, 108mm width, lock-on; Size: 24" wheel, Kids' grip, 110mm width; Size: 24" wheel, Kids' grip, 108mm width

    Groupset
    Rear Derailleur

    Shimano Tourney RD-TY300

    microSHIFT Acolyte M5180S, 34-38T max cog

    Crank

    Prowheel w/ Double Guard, 30T, 110mm

    Alloy, 28T steel ring, chainguard, 127mm length

    Shifters

    Shimano Revo Twist Shifter For Small Hands, SL-RS36

    microSHIFT Acolyte SL-M6285, 8 speed

    Cassette

    Sunrace 6-Speed, 14-28T F/W

    microSHIFT Acolyte H083, 11-38, 8 speed

    Chain

    KMC Z50

    KMC Z8

    Brakes

    (F) Alloy Linear Pull, (R) Alloy Linear Pull

    Alloy linear-pull

    Brake Levers

    Tektro 3-Finger, Linear Pull

    Kids' alloy brake lever, black

    Wheels
    Rims

    Double Wall, w/ Machined Sidewall, 28H

    Alloy 24'', 28h

    Front Hub

    (F) Alloy QR, 28H, (R) Alloy Freewheel QR, 28H

    Formula alloy, 100mm ThruSkew

    Rear Hub

    Formula FM32 alloy, 135x5mm

    Tires

    Kenda Small Block Eight 20 x 2.10" (F/R)

    Bontrager Connection Comp, wire bead, 30 tpi, 24x2.00''

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