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Wahoo 20


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Color: Trek Black

  • Trek Black
  • Purple Flip
  • Quicksilver
  • Lithium Grey
  • Waterloo Blue
  • Viper Red
  • 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 is 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.


    1. Lightweight and capable: Wahoo's aluminium 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 that the wheels will never drop out unintentionally
    3. A simple 1x8 drivetrain simplifies shifting so kids can focus on having fun!
    4. Investing in a kids' bike from an established bike brand is worth it – Trek kids' bikes are designed and assembled by people who know bikes


  • Frameset
    Frame Alpha Silver aluminium, 20˝  
    Fork Aluminium 20˝  
    Front Hub Formula TK31 alloy  
    Rear Hub Formula FM32 alloy  
    Rims 20˝ 28-hole, alloy  
    Tires 20x1.95˝ versatile tread  
    Shifters Shimano Acera M360, 8-speed  
    Rear derailleur Shimano Altus M310  
    Crank Alloy, 140mm, 32T  
    Bottom bracket Loose Ball  
    Cassette Shimano HG31, 11-34, 8-speed  
    Chain KMC Z51  
    Pedals Dialled 9/16˝, platform  
    Saddle Kid's specific, padded  
    Seatpost Bontrager-Approved, alloy, 27.2 mm  
    Handlebar Bontrager alloy, 31.8 mm, 15 mm rise  
    Stem Bontrager alloy, 31.8 mm, 7-degree, Blendr compatible  
    Grips Dialled, Kraton  
    Headset VP 1-1/8˝, semi-Integrated  
    Brakeset Alloy linear-pull, Dialed alloy levers  
    Weight 8.89 kg / 19.59 lb
    Weight limit This bike has a maximum total weight limit (combined weight of bicycle, rider,and cargo) of 36 kg (80 lb).

    **Trek Bikes 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, colours, materials and pricing.

    **Weights are based off pre-production products at time of publication. Weights may vary in final production.

  • Size

    Rider Height

    12" wheel

    86 - 102 cm

    2'10" - 3'4"

    16" wheel

    99 - 117 cm

    3'3" - 3'10"

    20" wheel

    114 - 132 cm

    3'9" - 4'4"

    24" wheel

    130 - 150 cm

    4'3" - 4'11"

    26" wheel

    146 - 160 cm

    4'9" - 5'3"

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