My Shopping Cart


Free Shipping

Limited time only!












Guaranteed Holiday Delivery while Supplies Last Learn More

20 Inch Large Bike

661 reviews
With Free shipping

Guardian 20 Inch Large Bike

Age: 6 - 9 years   Height: 45 - 53 inches



Save 20%

Why Kids LOVE Guardian Bikes

Feature icon, Green Checkmark Lightweight Design Created with Lunacy Created with Lunacy

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.

Feature icon, Green Checkmark SureStop, Easy Reach Brakes Created with Lunacy Created with Lunacy

Feature icon, Green Checkmark Kid Friendly Gear Shifter Created with Lunacy Created with Lunacy

Feature icon, Green Checkmark Kid-specific Geometry Created with Lunacy Created with Lunacy

Feature icon, Green Checkmark Low Step-over Height Created with Lunacy Created with Lunacy

Feature icon, Green Checkmark Adjustable Seat Created with Lunacy Created with Lunacy

Feature icon, Green Checkmark Eye Candy Decals Created with Lunacy Created with Lunacy

Feature icon, Green Checkmark Double-walled Rims Created with Lunacy Created with Lunacy

We Make It Easy on the Parents Too

Free Shipping Icon

Flat Rate Shipping

Shipping is $29 flat, and in-stock orders leave our warehouse within 3-4 business days.

100 Day Test Ride Icon

365 Smooth Ride Guarantee

We want to make sure the bike is perfect for your family, so we give you a FULL YEAR to test it out.

Charity Icon

Quick and Easy Setup

Get the bike from box to pavement in 5 minutes. So easy a busy parent can do it with ease.

Customer Reviews
4.9 Based on 661 Reviews
5 ★
4 ★
3 ★
2 ★
1 ★
Customer Photos
Write a Review Ask a Question

Thank you for submitting a review!

Your input is very much appreciated. Share it with your friends so they can enjoy it too!

Filter Reviews:
Jacob SVG verified by SHOP
United States United States

My autistic son couldn't be happier! He learned how to ride this bike in less than a day. Very lightweight, good proportions, and the braking system is unmatched. Can't wait for the adult sized bikes to come oit so I can purchase one for my oldest son. I would recommend this product to anyone struggling to learn how to ride a bike.

Brian SVG verified by SHOP
United States United States

Guardian makes great high quality bicycles. This is my second bike from them and both kids love their bikes.

Chris S.
United States United States

Amazing Company and Outstanding Customer Service!!

Guardian is an excellent company with an outstanding product. They stand behind their product and their customer service before, during and after purchase was so easy and pleasant to work with!! Great overall experience!

Caitlin O.

Great bike, greater company!

My 6-year-old loves riding his bike, and after getting an inexpensive two-wheeler with terrible brakes and a tire that popped, I decided to splurge on a higher quality bike for his birthday. I saw recommendations for Guardian Bikes, and I don’t regret my decision to pay a bit more for their level of quality and customer service! When the bike arrived, it was easy to put together (with extremely user-friendly online video instructions) and it just looks like a very high-quality bike. My son was thrilled, learned to use the one-handed brake quickly, and loved his new bike bell, but I was worried it looked a bit too small for his long legs. I contacted customer service, and they sent me an invoice for the price difference for the larger size bike and immediately arranged for an easy exchange. Rather than asking for me to send the smaller bike back, they told me to find a child in my community in need and donate it to them instead. What an incredibly kind and generous way to handle a tricky return! The new larger bike arrived within days of sending them confirmation that the original bike was donated, and I am still in awe of this company. If you’re wondering if it’s worth spending a little more on a kid’s bike, the customer service, safety, and quality of Guardian is worth it!

United States United States

Just purchased a second one!

We’ve been so thrilled with our first Guardian bike that I just purchased the next size up for my youngest daughter. I have three daughters so I’ve purchased many bikes over the years. I always do a lot of research because safety and quality are important. This has been the best bike by far! Love the customer service too. It’s easy to put together (not much to do) and they are quick to help with any sizing questions.

With Free shipping

365-Day Returns

Put our bikes to the test for a FULL YEAR

Return your bike at any time within the first year for any reason, we even cover shipping.

We Cover:

  • Free Returns & Exchanges

  • Local Mechanic Repairs

  • Spare Part Replacement

Training Wheels Compatible

We recommend using the balance bike method when teaching your child to ride a bike, but understand all children learn differently.

Compatible training wheels can be purchased here for our 14", 16", and 20" Bikes.

🎁 Important! Guaranteed Holiday Delivery Available!

Limited inventory! To ensure your gifts arrive by Christmas look for our distinctive Guaranteed Holiday Delivery Sticker.

To confirm, check the estimated ship times below the Add to Cart button on each product page. Bikes ordered before December 18th AND have our Guarantee Holiday Delivery Sticker WILL arrive before Christmas.

Questions or need help? Our Customer Experience (CX) team is ready to assist you via chat or email.

Happy Holidays

Bike being assembled

Assembly Steps

Step 1: Attach Handlebars

Step 2: Attach Pedals

Patented SureStop® Brake System

  • Easier to use – single lever braking

  • Safer to stop – prevents head over handlebar accidents

  • More control – stops faster by balancing front/rear braking automatically

Kid Friendly Gear Shifter

  • 6-speed twist shifter

  • Red visualizer to help with gear selection

  • Fun and easy way to learn