Your cart is empty
return to shopFit matters more than age. A rider should reach the ground with the balls of both feet and stay under the bike's weight limit. Start with the table, then open the guide that matches your rider.
Which FRP dirt bike fits your rider?
| Model | Rider | Seat / size | Top speed | Max rider | |
|---|---|---|---|---|---|
 |
FX40 Ogemaw (40cc) | Kids 8+, supervised, no clutch | Low seat, full suspension | ~20 mph | 132 lb |
 |
FX125 14"/12" | Teens ~12–16 learning to shift | 28.1" seat | ~56 mph | 265 lb |
|
FX125 17"/14" | Taller teens and adults (~5'5" and up) | 33.9" seat | ~56 mph | 265 lb |
 |
FX140 (140cc) | Experienced teens and adults | 33.9" seat, oil-cooled | 65 mph | 265 lb |
Guides by age
Age is a rough guide; height, inseam and experience decide the final pick.
- Is a 50cc Dirt Bike Right for Your Child? What Parents Need to Know in 2026: whether a 50cc is the right first engine for younger kids
- What Age is Right for a Kids Dirt Bike?: when kids are ready to start riding
- Gas Dirt Bikes for Kids by Age: 7, 8, 9 & 10 Year Olds: engine size and bike picks for ages 7 to 10
- What Size Dirt Bike for 8 Year Old? Complete Guide: sizing and engine choice for an 8-year-old
- Dirt Bikes for 12-Year-Olds: Engine Size, Speed, and Safety Guide 2026: engine size, speed and safety at 12
- What CC dirt bike for a 13 year old: which displacement makes sense at 13
- What Size Dirt Bike for a Teenager? How to Pick the Right Fit by Age and Height: picking by age and height for teens
Size charts and fit
How to match seat height, wheel size and weight limit to your rider.
- Dirt Bike Size Chart by Age: Finding the Perfect Fit: size chart by age, height and seat height
- What Is the Best Dirt Bike for Kids? Complete Age and Size Guide 2026: the full age and size buying guide
- Kids Dirt Bike Ultimate Guide: Choosing The Right Dirt Bike Size For Your Kids: a step-by-step fit check
Speed, engine size and when to size up
What each engine size really does, and the signs your kid has outgrown their bike.
- How fast is a 40cc kids dirt bike?: real-world speed of a 40cc kids bike
- How Fast Is a 140cc Dirt Bike? (FX140 Top Speed): 140cc top speed and who it is for
- When to Upgrade Your Kid from a 40cc to a 125cc Dirt Bike (FX40 to FX125): moving from FX40 to FX125
Safety, gear and first rides
Gear checklists and how to make the first rides safe.
- Essential Safety Gear for Kids Riding Dirt Bikes: The Complete Checklist: helmet, boots, gloves and body armor
- What is the Safest Dirt Bike for My Kid? Entry-Level Options Compared: entry-level options compared on safety
- Beginner's Guide to Safe and Easy Kid’s Dirt Bike Riding: teaching a beginner step by step
- Kids Dirt Bike With Training Wheels: Is a 40cc or 50cc Better?: training wheels on a 40cc or 50cc
What a kids dirt bike costs
Price ranges by engine size and what the extra money buys.
- How Much Does a Kids Dirt Bike Cost? What the Price Actually Buys (2026): the 2026 price guide
The FRP dirt bike lineup
Kids · ages 8–12
FX40 Ogemaw
The first dirt bike. 40cc 4-stroke, full suspension, dual disc brakes, about 20 mph, 132 lb max.
from $279.99 · See colors, packages and current price →Teens & adults · manual clutch
FX125
125cc, real 4-speed manual, two wheel sizes, 265 lb capacity. Freight delivery.
from $799.99 · See colors, packages and current price →Experienced riders · top of the range
FX140
140cc oil-cooled, 4-speed manual, 65 mph, 33.9" seat. Freight delivery.
$1,149.99 + $399.99 shipping · See colors, packages and current price →
Before the first ride: every FRP dirt bike is a 4-stroke, EPA-certified off-road vehicle for private property or designated riding areas. They are not street legal, and FX125 and FX140 do not ship to California. A fitted helmet, eye protection, gloves, long sleeves, long pants and over-the-ankle boots are required, and young riders need adult supervision.
Where to go next
Every FRP dirt bike guide, by topic
The guides above are the short list. This is the full FRP dirt bike library for parents and young riders, grouped by the question you are asking. Every article here is about FRP dirt bikes and dirt bike riding only.
Pick by age, height and size
- Mini Bike vs. Dirt Bike: Which Is Right for Your Teen?
- Are dirt bike safe for 11 year old kids?
- Kids Dirt Bike Ultimate Guide: Tips for starting your kids on Dirt Bike
- What is the difference between the different strokes of the dirt bikes
- What is the difference between using different gasoline for riding dirt bike
- Why Gas Dirt Bikes Are Perfect for Kids—Start Them Early!
- How to Choose the Right Kids Dirt Bike Based on Its Specifications
- Is a Dirt Bike a Good Gift for a Kid? A Parent's 2026 Buying Guide
- The Importance of Age and Experience in Selecting the Right Dirt Bike for Kids
- When Can Your Kids Start Riding Dirt Bike
- How to Encourage and Support Your Child's Passion for Dirt Biking
Speed, engine size and sizing up
- How fast is a 40cc kids dirt bike?
- Mini Dirt Bikes for Teens: Speed, Power, and Fun
- How Fast Can the Ogemaw 40 Kids Dirt Bike Really Go?
- Gas dirt bike engine sizes and their impact on performance
- What affects the speed of a dirt bike?
- What factors should be considered when upgrading to a larger CC dirt bike?
Cost, brands and reviews
- Affordable Kids Dirt bikes: Budget-Friendly Options
- What's the shipping cost for a dirt bike
- Understanding the Components Used in Dirt Bike Manufacturing
- Facts About Dirt Bikes You Should Know Before You Buy
- Which 2025 Dirt Bike Models Are Actually Worth Your Money?
First rides, training and safety
- What Are the Top 10 Bike Tricks You Can Master on a Dirt Bike?
- Understanding Dirt Bike Specifications: A Beginner's Guide
- Dirt Bike Riding in Different Seasons: What to Expect and How to Prepare
- A Step-by-Step Riding Guide For Dirt Bike Beginners
- 10 Fun Games to Play While Learning Dirt Bike Skills
- Master These Dirt Bike Skills That Actually Matter
- How To Practice Balance On A Dirt Bike
- Fun and Engaging Balance Exercises for Kids to Improve their Dirt Bike Riding Skills
- Teaching Kids Dirt Bike Riding Techniques: Turning, Jumping, and Braking
- Developing Proper Body Positioning for Beginner Kids Dirt Bike Riders
- Dirt bike riding techniques for kids to master
- Introduction to Motocross for Beginner Kids Dirt Bike Riders
- How to Teach Your Child Basic Dirt Bike Maintenance
- Boost Your Kid's Skills with These Dirt Bike Tips and Tricks
- How Dirt Biking Can Teach Kids Ownership and Discipline
- Expert Tips for Perfecting Dirt Bike Cornering
- Practice drills to improve your dirt bike riding skills and technique
- Dirt biking and self-confidence: Building skills and independence for kids
- How Dirt Biking can Help with Life Skills for Kids
- Exercise for dirt bike riders
- How to Teach Your Kid to Be a Responsible Dirt Bike Rider
- Why Kids Dirt Bikes Build Better Skills Than Regular Bicycles?
- The Positive Impact of Dirt Bike Riding on Kids' Concentration Skills
- How to Balance School and Extracurricular Activities with Dirt Bike Riding
- Tips for Kids to Recover Fast from Racing
- How Dirt Biking Can Improve Kids' Balance and Stability
- How Kids Can Improve Their Skills on the Trail
- How to Develop Your Child's Leadership Skills Through Dirt Bike Riding
- Teaching Kids Dirt Biking Values and Sportsmanship
- Time Management Tips for Balancing Dirt Biking and Other Responsibilities
- 5 Tips for Teaching Kids Dirt Bike Riding Successfully
- How to teach Kids Dirt Biking Values and Sportsmanship
- How to Help Your Child Improve Their Dirt Bike Skills
- What to expect when kids are new to power sport
- Group Riding Tips for Kids Dirt Bike Adventures
Safety, racing and recovery
- Beginner Kids Dirt Bike Training
- Complete Guide to Getting Start with FRP DB003 Kids Dirt Bike Safely
- Youth dirt bike racing and its growing popularity
- Top 10 Safety Tips for Kids Dirt Bike Riding
- Dirt Bike Racing for Beginners: What Your Child Needs to Know
- Tips for Keeping Your Child Safe and Independent while Dirt Biking
- How To Avoid Dirt Bike Injuries
- How to handle accidents and injuries while dirt biking with your child
- How To Safely Ride A Dirt Bike In The Rain For Kids
- Structuring Effective Dirt Bike Training Sessions for Kids
- How to prepare kids for dirt bike racing, both mentally and physically
- How to Ensure Safety While Kids Are Riding Dirt Bikes
- Essential Guidelines for a Safe and Enjoyable Family Dirt Biking Experience
- 7 Tips for Starting Young Dirt Bike Racers
- Factors to Consider When Selecting a Dirt Bike Training School for Kids
- How to Prevent Injuries While Riding Dirt bike for Kids
- Basic First Aid Tips Every Dirt Bike Rider Should Know
- Common mistakes that kids make while riding dirt bikes and how to avoid them
- What to Know Before Taking Your Kids to a Dirt Bike Race
- What to pay attention to when riding a dirt bike in snowy weather
- How to Prepare Your Child for Their First Dirt Bike Race
- Ensure safety when riding dirt bike in the mountains after the rain
- Kids Dirt Bike Riding as a Foundation for Motorcycle Skills and Road Safety
- Reasons for physical discomfort after riding dirt bike and how to recover the state
- Tips For Parents While Kids Riding Dirt Bike Safely In Busy Parks
- Tips for Riding Dirt Bike in Different Weather Conditions
- Why Proper Training is Essential for Avoiding Mistakes in Dirt Bike Riding
- Dirt Bike Racing: Tips for Kids Who Want to Compete
- The Role of Parental Support for Their Kid’s Dreams of Dirt Bike Racing
- Training a child to love nature and prioritize their health through riding dirt bike
- Kids Dirt Bike Racing Tips and Strategies
- The cause of physical discomfort in riding dirt bike
- How to Plan a Safe and Successful Dirt Biking Trip with Your Kids
- The Importance of Pre-Ride Warm-Up and Stretching for Young Dirt Bikers
- The Importance of Recovery and Rest in Kids Dirt Bike Riding
- Top 5 Reasons Dirt Bike Racing is Beneficial for Kids
- 3 Common Dirt Bike Mistakes Every Beginner Makes (And How to Avoid Them)
Where to ride and the rules
- How to Introduce Kids to Trail Riding with Dirt Bikes
- How To Transport Your Dirt Bike
- Beginner-Friendly Dirt Bike Parks and Tracks
- Navigating Legal and Safety Issues in Youth Dirt Biking
- Street Bikes vs Dirt Bikes, What's the Difference?
- Dirt Biking and Nutrition: How to Fuel Your Body for Optimal Performance on the Trails
- Do You Need a License to Ride a Dirt Bike? U.S. Guide
- Top Adventure Rallies for Dirt Bike Enthusiasts
- What to expect when riding on a dirt bike track and how to prepare
- How to Fuel Up for Dirt Bike Riding: A Guide for Kids on Nutrition and the Trail
- Top Spontaneous Dirt Biking Destinations
- Tips for Staying Safe on the Trails
- 5 Tips for choosing a safe and suitable dirt biking locati0n for kids
- What to look out for when riding a dirt bike in the wild
Maintenance, storage and troubleshooting
- Dirt Biking in Winter: Essential Gear and Techniques for Cold Weather Riding
- How to Prep Your Dirt Bike for Winter Storage
- Best practices for maintaining and storing a dirt bike
- The Impact Of Tire Size And Tread Pattern On Dirt Bike Performance And Handling
- The Most Common Dirt Bike Repairs and How to Fix Them
- The Relationship Between Dirt Bike Tires and Performance
- The role of tires in dirt bike performance
- The role of the patterns on the dirt bike tires
- How to personalize your dirt bike
Parts, suspension and upgrades
- The Main Components of a Dirt Bike
- Key components of the dirt bike engine
- The Role of Suspension in Dirt Bike Performance
- How to build social networking on dirt bikes
- How to Customize a Dirt Bike to Fit Your Child's Needs and Preferences
- Dirt Biking and Teamwork: Building Bonds and Camaraderie Among Young Riders
- Tips for Building Confidence in Young Dirt Bike Riders
Why kids ride: benefits, family and development
- Why Dirt Biking Is Beneficial For Kids
- The impact of dirt bike riding on children's development
- Turn Dirt Bike Riding into the Perfect Family Activity
- Encouraging Girls to Get Into the Dirt Bike Scene
- How to Incorporate Dirt Bike Riding into Family Bonding Activities
- The Benefits of Dirt Biking for Kids: Fun, Fitness, and Adventure
- Dirt Bike Riding with Kids: A Family-Friendly Activity
- Common Challenges Kids Face While Learning to Ride a Dirt Bike and How to Overcome Them
- Dirt Bike Riding And Goal-Setting For Kids
- How can dirt bike drive the development of charity
- Explore How Riding Dirt Bikes allows Individuals To See The World From A Different Perspective
- How to Support Kids in Overcoming Setbacks and Challenges in Dirt Biking
- How Dirt Biking Can Help Kids Overcome Anxiety
- Overcoming fears and pushing personal boundaries through dirt bike riding
- Building self-confidence through dirt biking: Tips and strategies for parents
- How Dirt Biking Can Empower Kids to Lead a Healthy Lifestyle
- Dirt Biking: A Fun and Healthy Way To Keep Kids Active
- The Role of Competition in Kids Dirt Bike Riding: Balancing Fun and Achievement
- Exploring the Benefits of Dirt Biking for Sibling Relationships and Healthy Competition
- Guiding Kids to Tackle Dirt Biking Challenges
- Exploring Nature with Kids Dirt Biking
- How to Share Your Passion for Dirt Biking with Your Children
- What is the advantage of learning a dirt bike
- What to pay attention to when riding a dirt bike in the summer
- The Dos and Don'ts of Dirt Biking with Your Pet
- The different ways that kids can get involved in the dirt biking community
- Finding the Right Motivation: Goal-Setting for Kids Dirt Biking Success
History, culture and fun facts
- The Best Dirt Bike Movies to Watch with Your Kids
- 9 Fun facts about dirt bike
- Dirt Bike History: From Hobby to Competitive Sport
- How dirt bikes evolved from motorcycle
- Fun Facts About Kids Dirt Bikes: Did You Know?
- How did motocross start
- The Rise Of Dirt Biking: A Cultural Phenomenon
- The origins of dirt biking
- FRP Launches FX125 and FX140 Dirt Bikes for New and Advancing Riders
- The Evolution of Dirt Bike Design and Technology
- Compare traditional mountain biking to dirt bikes
- Learning about the History and Heritage of Dirt Bike Riding
- Every kid has a Dream; Mine was to own a dirt bike
- The Coolest Dirt Bike Designs for Kids
- The future of dirt biking for kids
- Dirt Biking in Different Cultures and Regions
- The Impact of The Cultural Icons, Evel Knievel, on the Popularity of Dirt Biking
