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    MSRP
    $429
    Where to Buy
    $1

    At

    Category
    General Youth
    Weight
    19.6 lbs
    1.9
    Frame
    Aluminum
    Aluminum
    Wheels
    Aluminum
    Wheel Size
    20″
    Rim
    Altus, Acera
    Drivetrain
    1 × 8
    Brand Site

    trekbikes.com

    Summary
    The Trek Wahoo 20 is a 20″ aluminum frame general youth bike with modest components and rim brakes.

    Ask 99 Spokes

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    Insights
    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

    Wahoo 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

    Alpha Silver Aluminum, 20"

    Fork

    Wahoo 20" alloy with ThruSkew

    Bottom Bracket

    Sealed cartridge

    Headset

    VP 1-1/8", semi-Integrated

    Stem

    Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 60mm length

    Handlebar

    Bontrager Approved, alloy, 31.8mm, 15mm rise, 560mm width

    Saddle

    Kids' 20" size, padded

    Seatpost

    Bontrager Approved, alloy, 27.2mm, 8mm offset, 250mm length

    TypeRigid

    Pedals

    Kids' 9/16"

    Grips

    Kids' Kraton

    Groupset
    Rear Derailleur

    Shimano Altus M310

    Crank

    Alloy, 28T steel chain ring w/guard, 140mm length

    Shifters

    Shimano Acera M360 Rapidfire SL, 8 speed

    Cassette

    Shimano HG31, 11-34, 8 speed

    Chain

    KMC Z8.3, 8 speed

    Brakes

    Alloy linear-pull

    TypeRim

    Wheels
    Rims

    Alloy 20", 28h

    Front Hub

    Formula alloy

    Rear Hub

    Formula FM32 alloy

    Tires

    20x1.95"

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