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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.
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.
Trek

Trek Wahoo 20 Kids' Bike in Matte Trek Black

£425.00
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Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

Trek Wahoo 20 Kids' Bike in Matte Trek Black

Season:2025

Brand:Trek

Code:5293950

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. For kids ages 6–8, between 114–132 cm (45-52˝) tall.
Technical Information
  • Frame
    Alpha Silver Aluminium, 20"
  • Fork
    Wahoo 20" alloy with ThruSkew
  • Hub front
    Formula alloy, 100 mm ThruSkew
  • Skewer front
    132x5 mm QR, ThruSkew
  • Hub rear
    Formula FM32 alloy, 130x5 mm
  • Rim
    Alloy 20", 28 h
  • Spokes
    14 g stainless steel, black
  • Tyre
    20x1.95"
  • Max tyre size
    20x2.20"
  • Shifter
    Shimano M315, 8-speed
  • Rear derailleur
    Shimano Altus M310
  • Crank
    Alloy, 28 T steel chain ring w/guard, 140 mm length
  • Bottom bracket
    Sealed cartridge
  • Cassette
    Shimano HG31, 11-34, 8-speed
  • Chain
    KMC Z8.3, 8 speed
  • Pedal
    Kids' 9/16", platform
  • Max. chainring size
    1x: 30T
  • Saddle
    Kids' 20" size, padded
  • Seatpost
    Bontrager Comp, 6061 alloy, 27.2 mm, 8 mm offset, 250 mm length
  • Handlebar
    Bontrager Approved, alloy, 31.8 mm, 15 mm rise, 560 mm width
  • *Grips
    Size: 20" wheel Kids', KratonSize: 20" whee lKids' Kraton
  • Stem
    Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 60 mm length
  • Head set
    VP 1-1/8", semi-integrated
  • Brake
    Alloy linear-pull
  • Brake lever
    Kids' alloy brake lever, black
  • Weight
    8.73 kg / 19.25 lbs
  • Weight limit
    This bike has a maximum total weight limit (combined weight of bicycle, rider,and cargo) of 36 kg (80 lb).
Sizing Information

Road & Gravel

SizeRider HeightInseam
49156 - 163 cm
(5'1" - 5'4")
74 - 77 cm
(29" - 30")
52163 - 168 cm
(5'4" - 5'6")
76 - 79 cm
(30" - 31")
54168 - 174 cm
(5'6" - 5'9")
78 - 82 cm
(31" - 32")
56174 - 180 cm
(5'9" - 5'11")
81 - 85 cm
(32" - 33")
58180 - 185 cm
(5'11" - 6'1")
84 - 87 cm
(33" - 34")
61185 - 191 cm
(6'1" - 6'3")
86 - 90 cm
(34" - 35")


Mountain & City

SizeRider HeightInseam
XS145 - 155 cm69 - 73 cm
S155 - 165 cm74 - 78 cm
M165 - 176 cm79 - 83 cm
M/L173 - 180 cm81 - 86 cm
L177 - 188 cm84 - 89 cm
XL188 - 195 cm89 - 91 cm

Please note that this is a general guide, and the best way to determine the correct size for a specific model is to consult Trek's website for that particular model. Additionally, factors such as inseam length, riding style, and personal preference may also affect the ideal size for a given rider.

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