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20-Inch (5-8 yr. old)

$329.99
Precaliber 20 will have your little rider begging to go out for a pedal on their first real big kid bike. It's a great transition model from training wheels. It has one speed, a coaster brake, and a saddle with an integrated handle that can be swapped out for a light mount. For kids ages 6-8, between 45-52-inches tall.
It's right for you if...
Your kid is ready to leave training wheels behind, and you want to get them a fun, durable, bike that's simple to use. You don't want to settle for a big box brand, because you know the value of a high-quality bike that will keep your kid confident and in control.
The tech you get
A lightweight Alpha Silver Aluminum frame, one speed, and a coaster brake. Plus, a kickstand and a saddle with an integrated handle that can be swapped out for an integrated taillight mount. Everything on this bike is built to last, so it'll still feel like new when handed down to younger siblings.
The final word
This bike is the perfect choice for young riders who want to transition from a little kid bike to a big kid bike, with a simple, quality frame that will keep them upright and smiling while they ride at the park with friends or on the local bike paths with your family.
Why you'll love it
- One speed is all you need—a simple set-up gives kids confidence and helps them stay in control
- Coaster brakes are simple and intuitive for kids to use—they just pedal backwards to stop!
- You can replace the saddle's integrated handle with an integrated light mount to boost visibility on family adventures and solo excursions
- Like all Precaliber bikes, the frame is lower so it's easier for kids to stand over and hop on and off
- 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

$399.99
Precaliber 20 7-Speed is a rugged kids' bike for young adventurers. It has a lightweight frame and quality components like a front suspension fork, 7-speed gearing, and hand brakes that are perfectly sized to better fit small riders. For kids ages 6-8, between 45-52-inches tall.
It's right for you if...
You love exploring nature on your bike, and want your little adventurer to come along. You're looking for a high-quality kids' bike that's comfortable, durable, and most of all, super fun for your little shredder.
The tech you get
A strong, lightweight aluminum frame, a simple 7-speed drivetrain that's easy for kids to handle, and a front suspension fork to smooth out bumps on the road and trail. Plus, it has a kickstand, mounts for a rear rack, and a saddle with an integrated handle that can be swapped out for an integrated taillight mount.
The final word
When you're young, just being outside is an adventure. Precaliber's rugged styling makes it the perfect vessel for young explorers. They may pretend to be scaling dangerous mountains or escaping terrible beasts, but with a high-quality build and components, you'll always have peace of mind.
Why you'll love it
- Intuitive twist shift makes it easy for kids to switch gears when their terrain changes
- You can replace the saddle's integrated handle with an integrated light mount to boost visibility on family adventures and solo excursions
- This bike is hand-me-down heaven: it's built to last, so younger siblings can inherit this bike and it'll still feel like new
- Like all Precaliber bikes, the frame is lower so it's easier for kids to stand over and hop on and off
- 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

$479.99 - $499.99
Roscoe 20 is a mid-fat kids' mountain bike designed to build confidence on the trail. It takes cues from the adult Roscoe, but this ride was built from the ground up for kids. 2.8" mid-fat tires, a 1x drivetrain, and a wide-range cassette make Roscoe the ideal bike for little rippers who want to build skills and have a ridiculous amount of fun keeping up with Mom, Dad, or an older sibling. Fit for riders 45-52" tall.
The final word
Give a kid a Roscoe and you'll make a mountain biker for life. Mid-fat tires and a wealth of kid-specific design details make this bike the perfect introduction to the trail. If your little one is ready to tag along when you hit the singletrack, this is the kid-friendly set-up that's made to build confidence, skills, and a healthy obsession with the world's greatest activity.
Why you'll love it
- There's no family outing as fun as a trail session, and Roscoe is the ideal kids' bike for building great memories
- This isn't a small adult bike—it's built from the ground up for kids, by people who know exactly what works for them and what doesn't
- When you're learning to ride, simplicity is best: a 1x8 drivetrain lets kids focus on keeping the rubber side down
- The kid-specific frame geometry has a sloping top tube that makes it easier to hop on and off
- The rear brake caliper is tucked into the frame to help prevent damage from laying the bike down

$490.00
Geared for Fun:
For those ready to step up to the freedom and expanded range that gears provide, this sporty machine is up for anything from sidewalk cruising to trail blazing
Where it thrives:
On trails and through town
What it’s built for:
Comfort, Handling
Light and Easy:
Lightweight aluminium frame and components make the bike easy to pedal and maneuver, while the low standover make mounts and dismounts easier.
Big tires means Fun:
With versatile on-road and off-road tires and a bump-smoothing suspension fork, Trail 20 is built to build cycling skills and confidence.
Easy Shifting:
Light action twist shifters and 7-speed gearing make it easy to select the right gear for the terrain.

$440.00
Swift and Sure
Fast rolling tires, 7-speed gearing, and confident, stable handling make this a seriously fun, high-performance street machine.
Where it thrives:
In town, on the street, on paths
What it’s built for:
Comfort, Handling, Speed
Sized Right:
The 20" wheels and low profile tires are perfect for riders between 3'7" and 4'2" (109cm - 127cm) who are moving from the sidewalk to the street.
Light and Easy:
The lightweight aluminum frame and components make the bike easy to pedal and maneuver, while the low standover makes mounts and dismounts easier.
Easy Shifting:
Light action twist shifters and 7-speed gearing make it easy to select the right gear for the terrain.

$250.00
$310.00
19% Off
Roll on
With single-speed drivetrain simplicity, a coaster brake, and an easy-to-use hand brake, this 20” lightweight ripper is perfect for kids looking to build on their skills with speed and confidence, everywhere from the street to the pump track.
What it's built for
Building confidence and skill, Kids 3'10"-4'3" (117cm-130cm)
Highlights
- Durable lightweight alloy frame, because a light bike is easier to handle and more fun to ride.
- Single-speed drive train, so kids can focus on finding balance and steering.
- Both rear coaster brake and hand brake help gain confidence and skill safely.
- 20” alloy rims with tires that are comfy and grippy on-road or off.
- Full-coverage chainguard keeps pants and fingers away from the chain.
- Fitted stem cover makes mess-ups a little less painful.

$399.99
Precaliber 20 7-Speed is a versatile kids' bike for young adventurers. It has a lightweight frame and quality components like a front suspension fork, 7-speed gearing, and hand brakes that are perfectly sized to better fit small riders. For kids ages 6-8, between 45-52" tall.
It's right for you if...
You love exploring nature on your bike, and want your little adventurer to come along. You're looking for a high-quality kids' bike that's comfortable, durable, and most of all, super fun for your little shredder.
The tech you get
A strong, lightweight aluminum frame, a simple 7-speed drivetrain that's easy for kids to handle, and a front suspension fork to smooth out bumps on the road and trail. Plus, it has a kickstand, mounts for a rear rack, and a saddle with an integrated handle that can be swapped out for an integrated taillight mount.
The final word
When you're young, just being outside is an adventure. Precaliber's rugged styling makes it the perfect vessel for young explorers. They may pretend to be scaling dangerous mountains or escaping terrible beasts, but with a high-quality build and components, you'll always have peace of mind.
Why you'll love it
- Intuitive twist-shift makes it easy for kids to switch gears when their terrain changes
- You can replace the saddle's integrated handle with an integrated light mount to boost visibility on family adventures and solo excursions
- This bike is hand-me-down heaven: it's built to last, so younger siblings can inherit this bike and it'll still feel like new
- Like all Precaliber bikes, the frame is lower so it's easier for kids to stand over and hop on and off
- 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
Features:
Integrated handle
Hidden handle under the saddle helps you guide your child while they learn to ride.
Upgrade your pedals and love your bike more
Pedals are two of the five touchpoints that connect you with your bike, and even though this bike comes with a pair, upgrading to pedals that boost control and grip will greatly improve your ride. See the pedal guide and find the best pedals for your riding style. We recommend flat pedals for simple versatility.

$329.99
Precaliber 20 will have your little rider begging to go out for a pedal on their first real big kid bike. It's a great transition model from training wheels. It has one speed, a coaster brake, and a saddle with an integrated handle that can be swapped out for a light mount. For kids ages 6-8, between 45-52-inches tall
It's right for you if...
Your kid is ready to leave training wheels behind, and you want to get them a fun, durable, bike that's simple to use. You don't want to settle for a big box brand, because you know the value of a high-quality bike that will keep your kid confident and in control.
The tech you get
A lightweight Alpha Silver Aluminum frame, one speed, and a coaster brake. Plus, a kickstand and a saddle with an integrated handle that can be swapped out for an integrated taillight mount. Everything on this bike is built to last, so it'll still feel like new when handed down to younger siblings.
The final word
This bike is the perfect choice for young riders who want to transition from a little kid bike to a big kid bike, with a simple, quality frame that will keep them upright and smiling while they ride at the park with friends or on the local bike paths with your family.
Why you'll love it
- One speed is all you need—a simple set-up gives kids confidence and helps them stay in control
- Coaster brakes are simple and intuitive for kids to use—they just pedal backwards to stop!
- You can replace the saddle's integrated handle with an integrated light mount to boost visibility on family adventures and solo excursions
- Like all Precaliber bikes, the frame is lower so it's easier for kids to stand over and hop on and off
- 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

$464.00
DESIGNED FOR YOUNG RIDERS LOOKING TO TRY OUT THE DIRT OR PUMP TRACK, THIS ALL-NEW SHREDDER IS BUILT ON A LIGHTWEIGHT, SUPER-STRONG ALUMINUM FRAME WITH QUICK, RESPONSIVE 20-INCH WHEELS.
KEY PERFORMANCE FACTORS
Versatile
Built with a lightweight, strong and durable ALUXX-Grade Aluminum frameset, the bike can go from the pump track to trails or street riding session with ease.
Quick and Responsive
The frame geometry is designed for 20-inch wheels and a low saddle height, with a taller front end for a responsive, confident ride quality.
Maximum Control
Powerful disc brakes and a plush suspension fork (available on select models) with a lockout option gives her a safe and confidence-inspiring control.
WHY WE LOVE IT
With its quickness, durability, and lightweight feel, Liv's STP helps young riders get rolling on trails, pump tracks or bike park terrain. Made with a gusset-free ALUXX-Grade Aluminum frame, the STP has a low stand-over and saddle height with a taller front end, so she can be stable in corners and balanced over rollers. Disc brakes give her the confidence to stop quickly, and this model is available with or without a front suspension fork to suit different riding styles and terrain. With fun and lively colors and graphics, young riders will love jumping on and riding in style. The STP is also compatible with dropper seatposts for those riders who are ready for next steps.
HIGHLIGHTS
LOW STANDOVER HEIGHT
Easy on, easy off. The Liv STP has a low standover height so she can be safe and comfortable while mounting or dismounting
ALUXX-GRADE ALUMINUM FRAME
Lightweight and durable ALUXX-Grade Aluminum frame
DROPPER SEATPOST COMPATIBLE
The STP is compatible with a dropper seatpost, for riders who are ready to take the next step on their mountain biking journeys
20-INCH WHEELS
Frame geometry designed around 20-inch wheels, for a confident, stable and smooth ride
DISC BRAKE EQUIPPED
Powerful disc brakes for confidence and control
ADJUSTABLE BRAKE LEVERS
Adjustable brake levers with shorter reach for small hands
QUICK RELEASE SEATPOST CLAMP
A quick release seatpost clamp for easy saddle height adjustment on-the-fly

$306.00
$330.00
7% Off
Lightweight and easy to maneuver, the Enchant puts her on a path to adventure.
Accessible
The low stand-over height and reliable hand brakes give her control over the bike for a safe and consistent ride.
Empowering
Off-road tires create traction and soak up small bumps for a smoother ride on dirt or sidewalks.
Comfort and Control
A comfortable, lightweight ALUXX-Grade Aluminum frame design with an upright riding position and twist shifters inspire girls to learn to mountain bike.

$306.00
$330.00
7% Off
Built with a lightweight aluminum frame, plenty of stand-over clearance, and easy-to-use gears, this is the rigid version (no front suspension) of the XtC Jr. family. With 20-inch wheels and smooth-rolling tires that can handle the trail, it's a fun and stable way to get started on the trail.
Lightweight frame
ALUXX-grade aluminum frame provides a lightweight, purpose-built chassis for aspiring young off-road riders.
Confidence and control
Size-specific wheels give young riders the performance they need for true off-road riding.
Kid-friendly features
Youth-specific performance components help young riders improve their off-road skills.

$540.00
Hit the Trails
The traction and comfort of its big plus-size tires and its light, agile feel make the Trail Plus 20 the best way to learn trail riding skills with fewer spills.
Where it thrives:
On trails and off-road
What it’s built for:
Traction, Comfort, Handling
Big Tires = Big Fun:
The oversized 20x2.6" tires really build confidence off-road. The big air volume helps the tires soak up bumps and grip the terrain. More gripping, less slipping!
Light and Nimble:
A lightweight aluminum frame and fork make this trail-ready rig incredibly agile and easy to maneuver.
Stop not Stopping:
Powerful disc brakes and the traction of the big tires give you incredible off-road stopping power and control.
Geared Right:
The low-torque twist shifters are easy for smaller hands to use, and wide-range 7-speed gearing makes it easy to select the right gear for the terrain.

$540.00
With its quickness, durability, and lightweight feel, Liv's STP helps young riders get rolling on trails, pump tracks or bike park terrain. Made with a gusset-free ALUXX-Grade Aluminum frame, the STP has a low stand-over and saddle height with a taller front end, so she can be stable in corners and balanced over rollers. Disc brakes give her the confidence to stop quickly, and this model is available with or without a front suspension fork to suit different riding styles and terrain. With fun and lively colors and graphics, young riders will love jumping on and riding in style. The STP is also compatible with dropper seatposts for those riders who are ready for next steps.

$600.00
With a lightweight aluminum frame, smooth front suspension, smaller 20-inch wheels and geometry that's designed specifically for young riders, STP can be a first step toward adventures in the dirt. Versatile enough to ride on streets, parks or trails, it offers kids a confident, controlled ride to help them build their skills. The 60mm suspension fork soaks up bumps, and powerful disc brakes help them negotiate steep descents. It also features kid-friendly components such as shorter reach brake levers and a comfortable saddle.

$515.00
With a lightweight aluminum frame, smooth front suspension, smaller 20-inch wheels and geometry that's designed specifically for young riders, the new STP can be a first step toward playful adventures in the dirt. Versatile enough to ride on streets, parks or trails, it offers kids a confident, controlled ride to help them build their skills. The 80mm suspension fork soaks up bumps, and powerful disc brakes help them negotiate steep descents. It also features kid-friendly components, including shorter reach brake levers and a comfortable saddle.
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