Wahoo 20 | Trek Bikes

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  • Wahoo 20
2020

Wahoo 20

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$429.99 Model 24027

Wahoo 20 is a lightweight, simple, and practical kids' hybrid bike that makes it easy for your little one to make the most of every ride. This versatile bike is built for ease of use: it's light, capable on a variety of surfaces, and equipped with a 1x8 drivetrain and a wide range of gearing for wherever your little one roams. For kids ages 6-8, between 45-52˝ tall.
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It's right for you if...

You know riding is about having fun, and you want your little one to have a capable ride that's easy to operate, easy to handle, and versatile. Whether you're riding as a family or commuting to school in the morning, Wahoo delivers one great ride after another.

The tech you get

A lightweight Alpha Aluminum frame that's easy for kids to pick up and maneuver, multi-surface tires for traction on a variety of terrain, and a 1x8 drivetrain that simplifies the shifting process so kids can focus on what matters: having fun!

The final word

Wahoo is an all-purpose kids' bike with great all-around performance. It's light, practical, built for ease of use, and a lot of fun to ride. Plus, it's super easy to accessorize so your little one can make it their own!

The Walkthrough

favorite_borderWhy you'll love it

  1. Lightweight and capable: Wahoo's aluminum frame is strong and durable, but still light enough that it's easy for kids to control
  2. Closed dropouts with Trek's proprietary ThruSkew, a safety feature that ensures the wheels will never drop out unintentionally
  3. A simple 1x8 drivetrain simplifies shifting so kids can focus on having fun!
  4. You shouldn't buy your kid's bike where you buy your cereal—Unlike big box brands, Trek kids' bikes are assembled by people who know bikes

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Features

Alpha Aluminum frame

Trek's lightweight, high-performance aluminum is durable and rustproof.

1x drivetrain

Simple shifting is the best way to teach a kid to ride a real mountain bike.

Race-ready components

Quality components mean this bike is ready to shred the singletrack, on race day or every day.

Hand brakes

Confident stopping for youngsters who are ready to control their speed with their hands.

Specifications

  • Frameset

    Frame
    Alpha Silver Aluminum, 20"
    Fork
    Wahoo 20" alloy with ThruSkew

  • Wheels

    Front hub
    Formula alloy
    Rear hub
    Formula FM32 alloy
    Rims
    Alloy 20", 28h
    Tires
    20x1.95"

  • Drivetrain

    Shifters
    Shimano Acera M360 Rapidfire SL, 8 speed
    Rear derailleur
    Shimano Altus M310
    Crank
    Alloy, 28T steel chain ring w/guard, 140mm length
    Bottom bracket
    Sealed cartridge
    Cassette
    Shimano HG31, 11-34, 8 speed
    Chain
    KMC Z8.3, 8 speed
    Pedals
    Kids' 9/16"

  • Components

    Saddle
    Kids' 20" size, padded
    Seatpost
    Bontrager Approved, alloy, 27.2mm, 8mm offset, 250mm length
    Handlebar
    Bontrager Approved, alloy, 31.8mm, 15mm rise, 560mm width
    Grips
    Kids' Kraton
    Stem
    Bontrager alloy, 31.8mm, Blendr compatible, 7 degree, 60mm length
    Headset
    VP 1-1/8", semi-Integrated
    Brakeset
    Alloy linear-pull

  • Weight

    Weight
    8.89 kg / 19.59 lbs
    Weight limit
    This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 80 pounds (36 kg).
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, and materials.
Bike and frame weights are based off Trek pre-production painted frames at time of publication. Weights may vary in final production.

Sizing & fit

The charts below show our recommended sizes based on height, but there are some other factors, like arm and leg length, that determine a great fit. That’s why you’ll see some overlap in our recommendations. Not every rider who’s 5´8˝, for example, will fit on the same size bike. The best way to find your perfect fit is to consult the experts at your local Trek retailer.

 

Rider Height

All measurements provided in cm unless otherwise noted.

Wheel size A — Seat tube B — Seat tube angle C — Head tube length D — Head angle E — Effective top tube G — Bottom bracket drop H — Chainstay length I — Offset J — Trail K — Wheelbase L — Standover M — Frame reach N — Frame stack Saddle rail height minimum (w/short mast) Saddle rail height maximum (w/tall mast)
20" kids' 25.5 72.0° 13.5 70.0° 44.5 1.5 37.2 4.2 4.8 86.4 51.8 30.6 42.7 58.5 71

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