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2024 Trek

Wahoo 20 Trail

A 20″ aluminum frame mountain youth bike with mid-range components and tektro hydraulic disc brakes.
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Manufacturer Price

$649
Weight21.6 lbs  
FrameAluminum
SuspensionRigid
ForkCarbon
Wheels20″ Aluminum
Drivetrain1 × 9
GroupsetmicroSHIFT Advent
BrakesTektro Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Handling
nimblestable
Wahoo 20 Trail
Other Mountain Youth bikes
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)

16 mph

Wahoo 20 Trail

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Compare the full Wahoo model range

View Comparison
Sizing
20"

3'8" – 4'4"

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Reviews
off.road.cc
Trek Wahoo 24 Trail kid's mountain bike review

Dec 2025

For many young riders, the Trek Wahoo 24 Trail will be their first real step into mountain biking. With chunky tyres, a slacker head angle for a more confident feel, and a handful of thoughtful design touches, it looks every bit the part. Just try not to dwell on the weight, or you might feel a touch of sympathy as they grind their way up the climbs.

Read Review

Escape Collective
Cycling rear radars tested: Garmin, Trek, Wahoo and more

Jun 2025 · Suvi Loponen

Which ones work, which ones don't – and which might be worth your money.

Read Review

Bikerumor
Trek Wahoo Trail Lightweight Off-Road-Ready Kids' Bikes Get Carbon Forks & MTB Tires

Aug 2023 · Cory Benson

Trek’s new Wahoo Trail updates their simple light alloy hybrid kids' bike family with more MTB-ready tech, carbon fork & better spec…

Read Review

Geometry
Specs
Build
Frame

Alpha Silver Aluminum, 20''

Tire Clearance2.4"

ColorsPower Surge; Plasma Grey Pearl

Fork

Wahoo 20'' carbon, post mount disc brake, ThruSkew 5mm QR

Bottom Bracket

Sealed cartridge, 68mm

Headset

Integrated, sealed cartridge bearings

Stem

Bontrager alloy, 31.8mm clamp, 6 degree, 45mm length

Handlebar

Bontrager alloy, 31.8mm clamp, 20mm rise, 580mm width

Saddle

Kids' padded, integrated seatpost, Blendr light mount, 31.6x230mm

Pedals

VP-225 nylon platform

Grips

Kids' grip, 110mm width

Groupset
Rear Derailleur

microSHIFT Advent RD-M6195S, 34-38T max cog

Crank

ProWheel alloy, 30T narrow-wide ring, 115mm length

Shifters

microSHIFT Advent Quick Trigger Pro SL-M6295, 9 speed

Cassette

microSHIFT Advent H093, 11-38, 9 speed

Chain

KMC X9

Brakes

Tektro HD-J285 hydraulic disc, short reach

TypeTektro Hydraulic Disc

Wheels
Rims

Alloy 20'', 28h

Spokes

14g stainless steel, black

Front Hub

Formula DC-20, alloy, 6-bolt, 100mm ThruSkew

Rear Hub

Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5mm QR

Tires

Kenda Amrak, 30 tpi, 20x2.20''

Disc Rotors

Tektro, 6-bolt, 160mm

Accessories
Fenders

Trek custom

Rider Notes
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First added August 24

Last updated June 22

Not listed for 706 days