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12" Kids Bikes (2-3 yrs)
Their first bike will unlock endless new adventures. Whether they're getting started with a balance bike or gaining confidence with a pedal bike, we have the perfect 12" kids bikes to hit the ground rolling.
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How to Choose a 12 Inch Kids Bike
Choosing a 12 inch kids bike is mostly about matching the seat height to your child. Here is how we think about fit, when to pick pedals over balance, and what actually makes a small bike easy to ride.
What Size 12 Inch Bike Does Your Child Need?
Two numbers matter here: your child’s height and the bike's seat height. Our 12-inch pedal bikes fit riders 31 to 42 inches tall, with saddles starting at 15.5 inches. Our 12-inch balance bikes go lower, down to an 11-inch saddle, which is why they suit smaller, younger riders. Find the right size bike for your child in the chart below.
| How to Use | Product Spec | Why it works |
|---|---|---|
| Youngest riders, still finding their balance | 11" to 15" seat height | Cub 12" balance bike. Lowest saddle we make, airless tires that cannot puncture, no brake needed |
| Toddlers ready to try a hand brake | 11.5" to 15.25" seat height | Cub Plus 12" balance bike. Air-filled tires, aluminum frame, rear hand brake sized for small hands |
| First time on pedals, needs the lowest seat | 15.5" to 18.5" seat height, rider 31" to 42" | Koda 12" pedal bike. Hand brake plus rear coaster, removable training wheels, 15.9 lbs |
| Confident balance bike graduate | 16" to 19" seat height, rider 31" to 42" | Koda Plus 12" pedal bike. Two hand brakes plus rear coaster, aluminum frame, 14.8 lbs |
| Already close to 42 inches tall | Size up to 16 inch | See our 16 inch kids bikes for ages 4 to 6 |
How Do You Find the Right Size Kids Bike?
Two numbers matter here: your child’s height and the bike's seat height. Our 12-inch pedal bikes fit riders 31 to 42 inches tall, with saddles starting at 15.5 inches. Our 12-inch balance bikes go lower, down to an 11-inch saddle, which is why they suit smaller, younger riders. Find the right size bike for your child in the chart below.
What Makes a Quality 12 Inch Kids Bike
Stand them against a wall and measure their height first, since that is the quickest check against our 31 to 42 inch range. For a closer fit, measure their inseam from the bottom of the foot to the top of the inside of the leg, then compare it to the seat height range of the bike. You want their inseam to sit at or just above the lowest seat setting, so they can put their feet flat on the ground. A 13 inch inseam, for example, fits our 12 inch balance bikes comfortably but is still short of the 15.5 inch minimum seat on our smallest pedal bike.
Balance Bikes vs. Pedal Bikes With Training Wheels
Both routes get your child riding; they just teach the skills in a different order. A balance bike teaches balance first and saves pedaling for later. A pedal bike with training wheels gets them pedaling straight away and lets balance come after. Here is how the two compare.
| What it teaches first | Balance and steering, with feet always in reach of the ground | Pedaling and steering, with training wheels holding them upright |
| Lowest seat height | 11 inches on the Cub 12" | 15.5 inches on the Koda 12" |
| How they stop | Feet on the Cub, or a rear hand brake on the Cub Plus | Rear coaster brake plus hand-operated V brakes |
| The youngest rider it suits | From 18 months | From around age 2, if they clear the seat height |
| Assembly and upkeep | The simplest we make. No pedals, no cables, quick-release seat clamp | Arrives mostly built. Front wheel, saddle, and pedals to fit, tools included |
| What comes next | Most kids move to pedals without ever using training wheels | Trainers come off, then it is the same bike on two wheels |
BUILT FOR LITTLE RIDERS
Why Our 12 Inch Bikes Fit Smaller Kids
- Seat heights from 11 inches on balance bikes, 15.5 inches on pedal bikes
- Removable steel training wheels included with every 12 inch pedal bike
- Light enough to pick up, at 14.8 and 15.9 pounds
- Reach-adjustable brake levers built for small hands
- High back saddle with a built-in handle for the parental grab
Which 12 Inch Bike Is Right for Your Child
Five common starting points and the bike we would put your child on for each. If you are between two, go with the one that has the lower seat.
| If you want to... | Go With | Starts at | Why it works... |
|---|---|---|---|
| First ever bike, 18 months to 2 years | Cub 12" Kids Balance Bike (18 mos-4 yrs) | $69.99 | Our lowest saddle is at 11 inches, airless tires that cannot puncture, and rear footholds for when they lift their feet |
| Balance bike, but ready for a brake | Cub Plus 12" Kids Balance Bike (18 mos-4 yrs) | $119.99 | Air-filled tires soak up bumps, the aluminum frame keeps it light, and the rear hand brake starts teaching stopping technique early |
| First pedal bike on a budget | Koda 12" Kids Bike (2-3 yrs) | $149.99 | A 15.5 inch saddle fits smaller riders than most 12 inch bikes, with a hand brake, a coaster brake, and training wheels in the box |
| First pedal bike, lightest option | Koda Plus 12" Kids Bike (2-3 yrs) | $219.99 | Aluminum frame at 14.8 pounds, two hand brakes with tool-free reach adjustment, and a sealed bottom bracket |
| Taller, or outgrown a 12 inch balance bike | Cub Plus XL 14" Kids Balance Bike (2-6 yrs) | $139.99 | A 15 to 21 inch seat range on 14 inch wheels, for riders who have outgrown a 12 inch balance bike but are not ready to pedal. Front and rear hand brakes and an 80 lb weight limit. This is a 14 inch bike, so you will find it with our kids balance bikes. |
Setting Up and Looking After Their Bike
A 12 inch bike takes about fifteen minutes to finish assembling, and the upkeep after that is light but not nothing. Check the tire pressure, brakes, and chain before rides, keep the chain clean and lubricated, and wipe the bike down after muddy days so nothing rusts. Raise the seat as they grow, too, because kids grow faster than you expect.
How Much Assembly Is There?
Your bike arrives largely built, so it ships safely. The last few steps are yours: attaching the front wheel, saddle, and pedals, which takes about fifteen minutes. Every tool you need is already in the box. Balance bikes are simpler, as they have no pedals or brake cables. Each bike has its own assembly and owner’s manuals, included in the box and linked on its product page on our website.
How Do You Set the Seat Height?
Start low, with both their feet flat on the ground, then raise it as their balance improves. Loosen the seatpost clamp with a wrench, lift the saddle so the leg has a slight bend at the bottom of the pedal stroke, and tighten it properly. Never raise the post past the minimum insertion line marked on it. Our balance bikes use a quick-release clamp, so no tools are needed there.
What Maintenance Does a 12 Inch Bike Need?
Very little. Check tire pressure, brakes, and the chain before rides, wipe off dirt so nothing rusts, and lubricate the chain about once a month. Store it indoors and off the ground if you can. The Cub 12-inch has airless foam tires and no brake cables, so it needs almost nothing.
RIDE SAFE
Helmets, Brakes, and Getting Started Safely
Get their helmet fit right before the first ride. Our kids protective gear covers helmets and pads sized for little riders.
Frequently Asked Questions About 12 Inch Kids Bikes
What age is a 12 inch bike for?
We recommend our 12 inch bikes for riders roughly 31 to 42 inches tall, which usually works out to ages 2 and 3 for our pedal bikes and 18 months to 4 years for our 12 inch balance bikes. Age is only a rough guide, though. Kids grow at wildly different rates, so we would always rather you measure them. Compare your child to the rider height and seat height we publish for each bike, and you will get a much better fit than age alone can give you.
What height and inseam does a 12 inch bike fit?
Our 12 inch pedal bikes fit riders 31 to 42 inches tall. To check the inseam, measure from the bottom of your child's foot to the top of the inside of their leg, then compare it to the two numbers on the bike. Standover height tells you whether you can straddle the frame safely; you want about 1 to 1.5 inches of clearance over it. The lowest seat setting tells you whether they can sit down and still reach the ground. The Koda 12" has a 13 inch standover and a seat height range of 15.5” - 18.5”, and the Koda Plus 12" has a 14 inch standover and a seat height range of 16-19”, so an inseam of roughly 15.5 inches is the point where a child can both stand over one and sit on it comfortably.
How do I know if a 12 inch bike is too big or too small for my child?
Use the standing test. Have your child stand over the bike with both feet flat on the ground, and look for 1 to 2 inches of space between their crotch and the top tube. Less than that, and the bike is too big. More than 2 to 3 inches, and they have probably outgrown it. Two other signs it has got too small: their knees stay bent even when the pedal is at the bottom of its rotation, or their elbows are folded up while they are holding the handlebars.
Is a 12 inch bike right for a 2 year old?
For a lot of 2 year olds, yes. Our Koda 12" has a minimum seat height of 15.5 inches, which is lower than most 12 inch pedal bikes and is what lets it fit smaller riders. If your 2 year old is on the shorter side, or has not spent time on two wheels yet, a 12 inch balance bike is often the happier starting point. Our balance bike saddles drop to 11 inches, so their feet stay flat on the ground while they work on balance and steering.
Is a 12 inch bike right for a 3 year old?
Usually, yes. Three is right in the middle of the range for our 12 inch pedal bikes, and most 3 year olds have the leg length and coordination to get going quickly. Check their height against our 31 to 42 inch range first. If your 3 year old is already close to 42 inches, we would point you to our 16 inch kids bikes instead, so you get more room to grow out of the purchase.
What age should a child get their first pedal bike?
Most kids are ready somewhere between 2 and 4, and the honest answer is that it depends on the child rather than the birthday. Time on a balance bike is the biggest predictor we see. Kids who have already learned to glide and steer tend to pick up pedaling fast. If your little one is not there yet, our kids balance bikes start at 18 months and build exactly the skills that make the switch to pedals easier.
Do 12 inch kids bikes come with training wheels?
Yes. Every 12-inch pedal bike we sell comes with removable steel training wheels in the box, so there is nothing extra to buy. Our 12 inch balance bikes do not have training wheels, and they do not need them. Balance bikes have no pedals at all, so riders push along with their feet and learn to balance without any support wheels propping them up.
Can a 2 year old ride a pedal bike with training wheels?
Plenty do. Training wheels take balance out of the equation, so a 2 year old can focus on one new skill at a time: turning the pedals. Both our Koda 12" and Koda Plus 12" include them and both come off with a wrench when your child is ready. The main thing to get right is fit. If they cannot put their feet flat on the ground at the lowest seat setting, the bike is still too big.
My child uses a balance bike. Do they still need training wheels?
Probably not. Balance is the hard part of riding a bike, and a balance bike teaches it directly. Lots of kids move straight from a balance bike to pedals without ever using trainers. Because the training wheels on our 12 inch pedal bikes come off and go back on, you can try a session without them and put them back if it turns out you jumped the gun. Our guide to balance bikes versus training wheels walks through both routes in more detail.
When should we take the training wheels off?
Watch how much they are actually leaning on them. Once your child rides upright for long stretches without tipping onto one side, the trainers are along for the ride rather than doing a job. A gentle way to test it is to take one off for a session, then both once they are steering and braking confidently. Our guide on how to move from training wheels to two wheels covers the steps we would use.
What is a 12 inch balance bike?
A 12 inch balance bike has 12 inch wheels and no pedals, so your child scoots along with their feet and lifts them once they are rolling. That is the whole idea. It teaches balance and steering first and saves pedaling for later. Our Cub 12" drops to an 11 inch seat height with airless foam tires that cannot puncture, and our Cub Plus 12" adds air filled tires, an aluminum frame and a rear hand brake sized for small hands.
Should we start with a balance bike or a pedal bike?
It comes down to where your child is right now. A balance bike is a gentler start because their feet never leave the ground, and the balance they build usually makes pedaling click quickly later. A pedal bike with training wheels gets them pedaling straight away, though the trainers do delay real balance a little. If they are under 2 or nervous, we would start with a balance bike. If they are already gliding confidently, go to pedals. Our balance bikes versus training wheels guide has the full side-by-side.
Is 12 inch the smallest bike you make?
Twelve inch is the smallest pedal bike we make, and it is about as small as pedal bikes get anywhere. Our 12 inch balance bikes go smaller in practice, because their saddles drop to 11 inches against 15.5 inches on our smallest pedal bike. If your child is too little for a 12 inch pedal bike, that is where we would look first.
Do 12 inch kids bikes have hand brakes or coaster brakes?
Ours have both, which we think is the best setup for a new rider. The Koda 12" pairs a rear coaster brake, worked by pedaling backwards, with a hand operated V brake on a reach adjustable lever. The Koda Plus 12" goes further with hand operated V brakes front and rear plus the rear coaster, and its levers adjust without tools. Two ways to stop means your child can use whichever they reach for first while they build hand strength, and they learn hand braking early. Our 12 inch balance bikes differ: the Cub Plus 12" has a rear hand brake, and the Cub 12" has none, since riders stop with their feet.
How much does a 12 inch kids bike weigh?
Our 12 inch pedal bikes weigh 15.9 pounds for the Koda 12" and 14.8 pounds for the aluminum framed Koda Plus 12". Weight matters more than people expect at this size, because a bike your child cannot pick up on their own is a bike they get discouraged by. A good rule of thumb is to keep the bike under about 40 percent of your child's body weight.
What is the weight limit on a 12 inch bike?
Both our 12 inch pedal bikes, the Koda 12" and the Koda Plus 12", carry a recommended weight limit of 50 pounds. That comfortably covers the age and height range these bikes are built for, and in our experience, kids outgrow the seat height well before they get near the weight limit.
Do 12 inch kids bikes need gears or front suspension?
Neither, and we leave both off on purpose. At this size, your child is learning to pedal and balance, and gears or a suspension fork would only add weight and one more thing to think about. Both our 12 inch pedal bikes run a single gear with a 3.5 gain ratio, which is tuned so each pedal stroke gives them useful speed without feeling heavy to push. Gears become genuinely useful much later, once kids are riding longer distances and hills.
Are girls and boys 12 inch bikes different?
Not on our side of things. Every 12 inch bike we make uses the same frame, the same low step-over shape, and the same seat height range for whoever is riding it. At this age, there is no meaningful difference in body proportions to design around, so what actually changes between our bikes is color and spec, not gender. Pick the bike that fits your child's height and then let them choose the colors they like.
What colors do 12 inch kids bikes come in?
Quite a few, and letting your child choose is half the fun. The Koda 12" comes in Black Neon, Blue Bolt, Cotton Candy and Mantis, and the Cotton Candy and Mantis versions include a front basket. The Koda Plus 12" comes in Iguana, Matte Black, Robins Egg, and Rose. On the balance bike side, the Cub 12" has the widest run of all with ten colors including Blush, Sunflower, Goldfish, Rainforest, and Navy.
How long will a 12 inch bike fit my child?
Longer than you might think, because we build in a seat height range rather than selling you a bike that fits for one season. The Koda 12" adjusts from 15.5 to 18.5 inches, and the Koda Plus 12" from 16 to 19 inches, which is roughly three inches of growing room on each. On the balance bike side, the Cub 12" runs 11 to 15 inches. Raise the saddle as they stretch out, and most families get well beyond a single summer.
How do I adjust a 12 inch bike as my child grows?
Loosen the seatpost clamp with a wrench, lift the saddle so the leg has a slight bend when the pedal is at its lowest point, then tighten it again properly. Do not raise the post past the minimum insertion line marked on it. On most of our kids bikes, the handlebars come up the same way, and our balance bikes use a quick release clamp so you can do it without tools. Check it every few months, because kids grow faster than you expect.
When should we size up to a 16 inch bike?
Two signals tell you it is time. Either your child has passed roughly 42 inches tall, or the saddle is already at its highest setting, and their legs still look cramped. The standing test helps too: if there is more than 2 to 3 inches of clearance over the top tube, they have room for a bigger frame. That is the point to move up to our 16 inch kids bikes, which we recommend for ages 4 to 6.
Is a 12 inch bike ok for a 5 year old?
Usually not, and we would rather tell you straight. Most 5 year olds are taller than the 42 inch top of our 12 inch range, which leaves them perched high with their knees crowding the handlebars. Measure before you decide, because some 5-year-olds are still small enough. If they are over 42 inches, our 16 inch kids bikes are the better fit and will last a lot longer.
Koda or Koda Plus: which 12 inch bike should we choose?
Both fit the same riders, so this is really a question about budget and weight. The Koda 12" has a steel frame, weighs 15.9 pounds, drops to a 15.5 inch seat, and gives you a hand brake plus a coaster. The Koda Plus 12" swaps in an aluminum frame at 14.8 pounds, adds a second hand brake, tool free lever adjustment, internal cable routing, and a sealed bottom bracket. If you want the lowest possible seat, choose Koda. If you want the lighter bike and the better brakes, choose Koda Plus. Our guide to kids bikes for learning to ride covers the whole progression.
Do 12 inch kids bikes come assembled?
Mostly. Your bike arrives largely built so it ships safely, and you finish the last few steps at home: front wheel, saddle, and pedals. Every tool you need is in the box. Each bike has its own assembly and owner's manuals linked at the bottom of its product page, and our balance bikes are simpler, since there are no pedals or brake cables to deal with.
Should I buy a new or used 12 inch bike?
We are hardly neutral here, but there is a real case for new at this size. You get the warranty, you know nothing is worn out or quietly bent, and you get current safety hardware. With a used bike, you are trusting that whatever went wrong got fixed. Our 12 inch range runs from the Cub 12" balance bike up to the Koda Plus 12" pedal bike, so there is usually a new option close to what a used one would cost you.
