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2019 Trek

Wahoo 20

A 20″ aluminum frame general youth bike with modest components and rim brakes.
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Manufacturer Price

$439
Weight19.6 lbs  
FrameAluminum
SuspensionRigid
ForkAluminum
Wheels20″ Aluminum
Drivetrain1 × 8
GroupsetAltus, Acera
BrakesRim
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Insights
Gearing

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)

17 mph

Wahoo 20

18 mph

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Highest gear

(descending)

Sizing
20"

3'8" – 4'4"

Rider Fit Notes

None yet.

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Geometry
Specs
Build
Frame

Alpha Silver aluminum, 20˝

Fork

Aluminum 20˝

Bottom Bracket

Loose ball

Headset

VP 1-1/8˝, semi-Integrated

Stem

Bontrager alloy, 31.8mm, 7 degree, Blendr compatible

Handlebar

Bontrager alloy, 31.8mm, 15mm rise

Saddle

Kid's specific, padded

Seatpost

Bontrager Approved, alloy, 27.2mm

TypeRigid

Pedals

Dialed 9/16˝, platform

Grips

Dialed, Kraton

Groupset
Rear Derailleur

Shimano Altus M310

Crank

Alloy, 140mm, 32T

Shifters

Shimano Acera M360, 8 speed

Cassette

Shimano HG31, 11-34, 8 speed

Chain

KMC Z51

Brakes

Alloy linear-pull, Dialed alloy levers

TypeRim

Wheels
Rims

20˝ 28-hole, alloy

Front Hub

Formula FM21 alloy

Rear Hub

Formula FM32 alloy

Tires

20x1.95˝ versatile tread

Rider Notes
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First added June 14

Last updated June 14

Not listed for 2,541 days