Bike Comparison
    MSRP
    $299$549
    Where to Buy
    $1

    At

    $549

    At Trek

    Category
    General YouthGeneral Youth
    Weight
    21.1 lbs
    2.4
    SteelAluminum
    Fork
    Aluminum
    Wheels
    AluminumAluminum
    Wheel Size
    24″24″
    Brakes
    RimRim
    Groupset
    ShimanomicroSHIFT Acolyte
    Drivetrain
    1 × 71 × 8
    Brand Site

    khsbicycles.com

    trekbikes.com

    Summary
    The KHS T-REX 7 is a 24″ steel frame general youth bike with modest 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)

    18 mph

    2019 T-REX 7

    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

    TIG-welded Hi-tensile

    ColorBright Blue; Girls: Ocean Green

    Alpha Silver Aluminum, 24''

    ColorBright Blue; Girls: Ocean Green

    Fork

    Rigid Straight Leg

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

    Bottom Bracket

    Cartridge Bearing

    Sealed cartridge, 68mm

    Headset

    Threadless 1-1/8”

    Integrated, sealed cartridge bearings

    Stem

    Alloy Threadless, 15 Degree, 60mm

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

    Handlebar

    Alloy 30mm Rise/600mm

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

    Saddle

    Ultracycle Junior

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

    Seatpost

    Alloy Micro-Adjust, 25.4x250mm

    Pedals

    MTB w/Boron Axle

    Kids' Satellite, 9/16 thread

    Grips

    Soft Kraton

    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 RD-TY300D

    microSHIFT Acolyte M5180S, 34-38T max cog

    Front Derailleur

    n/a

    Crank

    Alloy 3-pc, 36T w/Double Guard

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

    Shifters

    Shimano Revo

    microSHIFT Acolyte SL-M6285, 8 speed

    Cassette

    Shimano MF-TZ500, 14-34T, 7-Speed

    microSHIFT Acolyte H083, 11-38, 8 speed

    Chain

    KMC Z8.3

    KMC Z8

    Brakes

    Alloy Linear Pull

    Alloy linear-pull

    Brake Levers

    All Alloy Linear Pull

    Kids' alloy brake lever, black

    Wheels
    Rims

    Alloy, 24”x32H

    Alloy 24'', 28h

    Spokes

    14g Black, 32x32

    Front Hub

    Formula alloy, 100mm ThruSkew

    Rear Hub

    Formula FM32 alloy, 135x5mm

    Tires

    24x1.95 Knobby

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

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