16 Inch Bike
356
So much to love in one bike
SureStop, Easy Reach Brakes
With SureStop, there’s only one brake lever, so your kid can’t get confused when things happen fast. Our patented brakes won’t ever flip the bike, and the lever is in just the right place for kid-size hands.
Ultra-lightweight Design
The Guardian AIROS is made of ultra-lightweight, aircraft-grade aluminum. It’s exceptionally durable and extremely easy to control, making it both super safe and fun to ride.
Eye Candy Decals
Our bike colors and designs were developed by kids, for kids, to make our bikes the coolest bikes on the block. Our Guardian AIROS use a matte black frame with glossy heat-transfer decals, for a popping contrast that will blow your kid’s mind.
Kid-specific Geometry
Kids don’t just need smaller bikes. They need different bikes. With all the right proportions. They need smaller grips. They need less distance between the pedals. They need shorter crank arms and a low center of gravity. All Guardian bikes are designed for kids, from the ground up.
Low Step-over Height
The low top tube makes our bikes easy to get on, and a lot safer if your kid comes off their seat in a hurry.
Adjustable Seat
Every Guardian bike seat is both easily adjustable and easy to lock down. You can adjust the height to fit your kid as they grow up with the bike.
No Coaster Brake
Guardian bikes never have coaster brakes. Period. New riders backpedal to keep their balance. If a bike has coaster brakes, this stops the bike, just when they were getting the hang of it. Our brakes stop faster, with much more control.
Smooth Welding
Toughness is built into every Guardian AIROS, but we smooth the roughness out—of the seams, that is. Our AIROS frame welds are reinforced for extra strength, then polished to perfection, without a single abrasive edge to mar that stunning paint job.
So much to love in one bike
SureStop, Easy Reach Brakes
With SureStop, there’s only one brake lever, so your kid can’t get confused when things happen fast. Our patented brakes won’t ever flip the bike, and the lever is in just the right place for kid-size hands.
Lightweight Design
The Guardian Ethos has a lightweight steel frame, making it easy to control while still durable enough to outlast your kid. Like every Guardian bike, it’s kid-tested to be safe and fun to ride.
Eye Candy Decals
Our bike colors and designs were developed by kids, for kids, to make our bikes the coolest bikes on the block. Our Guardian ETHOS line uses water-transfer decals with a clear coat finish, giving the whole bike a polished shine.
Kid-specific Geometry
Kids don’t just need smaller bikes. They need different bikes. With all the right proportions. They need smaller grips. They need less distance between the pedals. They need shorter crank arms and a low center of gravity. All Guardian bikes are designed for kids, from the ground up.
Low Step-over Height
The low cross bar makes our bikes easy to get on, and a lot safer if your kid comes off their seat in a hurry.
Adjustable Seat
Every Guardian bike seat is both easily adjustable and easy to lock down. You can adjust the height to fit your kid as they grow up with the bike.
No Coaster Brake
Guardian bikes never have coaster brakes. Period. New riders backpedal to keep their balance. If a bike has coaster brakes, this stops the bike, just when they were getting the hang of it. Our brakes stop faster, with much more control.
So much to love in one bike
SureStop, Easy Reach Brakes
With SureStop, there’s only one brake lever, so your kid can’t get confused when things happen fast. Our patented brakes won’t ever flip the bike, and the lever is in just the right place for kid-size hands.
Ultra-Lightweight Design
The Guardian AIROS is made of ultra-lightweight, aircraft-grade aluminum. It’s exceptionally durable and extremely easy to control, making it both super safe and fun to ride.
Eye Candy Decals
Our bike colors and designs were developed by kids, for kids, to make our bikes the coolest bikes on the block. Our Guardian AIROS line uses water-transfer decals with a clear coat finish, giving the whole bike a polished shine.
Kid-specific Geometry
Kids don’t just need smaller bikes. They need different bikes. With all the right proportions. They need smaller grips. They need less distance between the pedals. They need shorter crank arms and a low center of gravity. All Guardian bikes are designed for kids, from the ground up.
Low Step-over Height
The low cross bar makes our bikes easy to get on, and a lot safer if your kid comes off their seat in a hurry.
Adjustable Seat
Every Guardian bike seat is both easily adjustable and easy to lock down. You can adjust the height to fit your kid as they grow up with the bike.
No Coaster Brake
Guardian bikes never have coaster brakes. Period. New riders backpedal to keep their balance. If a bike has coaster brakes, this stops the bike, just when they were getting the hang of it. Our brakes stop faster, with much more control.
So much to love in one bike
SureStop, Easy Reach Brakes
With SureStop, there’s only one brake lever, so your kid can’t get confused when things happen fast. Our patented brakes won’t ever flip the bike, and the lever is in just the right place for kid-size hands.
Lightweight Design
The Guardian Ethos has a lightweight steel frame, making it easy to control while still durable enough to outlast your kid. Like every Guardian bike, it’s kid-tested to be safe and fun to ride.
Eye Candy Decals
Our bike colors and designs were developed by kids, for kids, to make our bikes the coolest bikes on the block. Our Guardian ETHOS line uses water-transfer decals with a clear coat finish, giving the whole bike a polished shine.
Kid-specific Geometry
Kids don’t just need smaller bikes. They need different bikes. With all the right proportions. They need smaller grips. They need less distance between the pedals. They need shorter crank arms and a low center of gravity. All Guardian bikes are designed for kids, from the ground up.
Low Step-over Height
The low cross bar makes our bikes easy to get on, and a lot safer if your kid comes off their seat in a hurry.
Adjustable Seat
Every Guardian bike seat is both easily adjustable and easy to lock down. You can adjust the height to fit your kid as they grow up with the bike.
No Coaster Brake
Guardian bikes never have coaster brakes. Period. New riders backpedal to keep their balance. If a bike has coaster brakes, this stops the bike, just when they were getting the hang of it. Our brakes stop faster, with much more control.
- Reviews
- Questions
United StatesGreat support! got me exactly what I needed to get my daughter's bike fixed
Hi Manuel, We're happy to help! Please reach out to us if you have any other questions! - Aly @ Guardian
United StatesThe bike is great. This is our second. My son has one and got one for my daughter for her birthday. The shipping said it would arrive after her birthday. I put in the comments that I would appreciate if they could get it here early. Then they delivered it a full 2 days early. Got here on a Sunday morning. Really appreciate it and the kids love the bikes.
Hi Adam, We're so happy to hear the birthday girl got her bike in time :) -Aly @ Guardian
United StatesWe recently got our second Ethos. Amazing bike. Superior quality. Money well spent.
Hi there, Thank you so much for choosing Guardian for your family! We are really happy to hear that you on your second Ethos bike and that the money was well spent! Thanks again!! -Laura @Guardain
United StatesWe got the 16" Ethos for our 4-years-and-one-month-old for Christmas. It arrived very quickly and was well-protected in shipping. My 4yo had previously used a balance bike, but wasn't the most confident on it, and had ridden a cheapo, heavy bike with training wheels a tiny bit, but it was too big for him to ride comfortably. We took the pedals off the Ethos at first, and he happily rode it as a balance bike for about two months, getting better at coasting down small inclines and getting used to using the break to stop. In February, we decided to try it with pedals. I thought he would want training wheels (we had bought some that were compatible), but he decided to give it a try without them first, and with a push to get him started, he was able to ride the bike without training wheels! The fact that it's so light is a HUGE help--much easier to balance and steer than a heavier bike. My 7yo originally had a cheaper, much heavier bike, but didn't learn to ride without training wheels until we got him a 20" guardian bike when he was 6yo. By his 3rd ride on his 16" guardian bike, my 4yo was riding like a total pro, starting and stopping without assistance. We love Guardian bikes!
Hi Stephanie, Thank you so much for sharing your experience! The balance bike method really works! We're so happy that your boys are pros on their Guardian Bikes :) -Aly @Guardian
United StatesThe ease of putting it together and style of the bike and the buying experience are all stellar. She loves the bike. We all wish it was a little lighter in weight.
Hi Betsy, We're happy to hear that the setup was breeze :) We do offer the Original model which is a bit lighter than the Ethos model. Feel free to reach out to us at info@guardianbikes.com if you want to exchange! -Aly @Guradian
Toddler
48 - 52 cm
Small
52 - 56 cm
Medium
56 - 60 cm
01
Find a Measuring Tool
Find a flexible measuring tape or a phone charger (and ruler to measure it against).
02
Measure Your Child
Measure circumference around your child’s head 1 inch above eyebrows.
03
Find Their Size
Use the chart above to find your child’s size.
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