Bike Comparison
    MSRP
    $429$435
    Where to Buy
    $1

    At

    $435

    At Cannondale

    Category
    General YouthGeneral Youth
    Weight
    19.6 lbs
    1.9
    2.0
    AluminumAluminum
    Fork
    AluminumAluminum
    Wheels
    AluminumAluminum
    Wheel Size
    20″20″
    Brakes
    RimRim
    Groupset
    Altus, AceraTourney
    Drivetrain
    1 × 81 × 7
    Brand Site

    trekbikes.com

    cannondale.com

    Summary
    The Trek Wahoo 20 is a 20″ aluminum 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)

    15 mph

    2020 Wahoo 20

    16 mph

    2023 Kids Quick 20 Girl's

    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"

    SmartForm C3 Alloy, smooth welding

    Fork

    Wahoo 20" alloy with ThruSkew

    Rigid, SmartForm C3 Alloy, 1" steerer

    Bottom Bracket

    Sealed cartridge

    Cartridge, square taper

    Headset

    VP 1-1/8", semi-Integrated

    VP, Alloy, 1" Ahead, semi-integrated

    Stem

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

    Alloy Ahead, 30mm

    Handlebar

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

    Lightweight Alloy, 25.4mm, 580mm

    Saddle

    Kids' 20" size, padded

    Cannondale Ergo

    Seatpost

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

    Lightweight alloy, 25.4mm

    Pedals

    Kids' 9/16"

    Wellgo Composite Platform w/ reflectors

    Grips

    Kids' Kraton

    Cannondale Kid's Performance

    Groupset
    Rear Derailleur

    Shimano Altus M310

    Shimano Tourney

    Crank

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

    Prowheel, Pro-V30, 110mm length, 30T

    Shifters

    Shimano Acera M360 Rapidfire SL, 8 speed

    Shimano Tourney Revo Twist Shifter, 7-speed

    Cassette

    Shimano HG31, 11-34, 8 speed

    Sunrace, 11-28, 7-speed

    Chain

    KMC Z8.3, 8 speed

    KMC Z7, 7-speed

    Brakes

    Alloy linear-pull

    Promax V-Brake, alloy linear pull

    Brake Levers

    Promax

    Wheels
    Rims

    Alloy 20", 28h

    Cannondale, lightweight alloy, 20", 28h

    Spokes

    Steel, 14g Black

    Front Hub

    Formula alloy

    KT Alloy, nutted axle

    Rear Hub

    Formula FM32 alloy

    KT Alloy, 7-speed freehub

    Tires

    20x1.95"

    Kenda Small Block 8, 20x1.5"

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