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20 Inch Large Bike

896 reviews
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Guardian 20 Inch Large Bike

5 green stars representing review scores

4.9 (Based on 898 Reviews)

4.9

Guardian 5 star

Based on 892 Reviews

5 ★
92.3% 
823
4 ★
% 
33
3 ★
2.5% 
22
2 ★
0.8% 
7
1 ★
0.8% 
7
Read Reviews

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

$399

$319

Save 20%

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New York Times Wirecutter's pick for 2024

SureStop® Brake System

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An outline of a kid riding a balance bike

Balance Bike Method Compatible

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Kid Friendly Gear Shifter

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A front view of bike with training wheels

Training Wheels Compatible

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Trusted Reviews from Real Customers
10529

Why Kids LOVE Guardian Bikes

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

The Guardian 20 Inch Large Bike 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

Fast and Free Shipping

Shipping is free, and in-stock orders leave our warehouse within 1 business day.

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.

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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 896 Reviews
5 ★
92% 
826
4 ★
4% 
33
3 ★
3% 
23
2 ★
1% 
7
1 ★
0% 
7
Customer Photos
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Filter Reviews:
    A
    10/04/2024
    Alex
    United StatesUnited States

    Should be a great bike - let down by difficult twist gear

    The bike is clearly well made, but I have to ask: Did Guardian have 5 and 6-year-olds test the twist gears on it? They are just too stiff for a kid to use. So, for the next year, I expect my daughter will be stuck in gears 1 or 2. It's a pity because, clearly, a great deal of thought was put into the rest of the bike.

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    Was this helpful?  0    0
    10/08/2024

    Guardian Bikes

    Hi Alex, Guardian Bikes here. We're sorry to hear about the trouble regarding the shifter. Shifters on a new bike can often be difficult to twist at first but, rest assured they do loosen over time and with use. If you'd like to email us a video of the shifters performance to Info@GuardianBikes.com our support team would be happy to take a look and offer any steps or support to help resolve this issue! We want to ensure your kiddo absolutely loves their bike and is able to use it with ease. Best, Amber

    J
    07/23/2024
    John
    United StatesUnited States

    Bike too Big

    This bike was too big for my son to train with as a balance bike. I used the online survey to pick a bike and my son meets the height requirements but we were still not able to use it. He will need to grow another half inch for us to get started.

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    Was this helpful?  0    0
    AA
    06/15/2024
    Abigail A.
    United StatesUnited States

    Brakes issue

    Unfortunately my son has not learned to ride his Guardian bike as we can’t get his brakes to work properly. I’ve noticed that’s an issue others have had as well.

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    Was this helpful?  6    0
    M
    08/29/2023
    Madhu
    United StatesUnited States

    Size does not fit

    Sizing is an issue, we tried the 20 inch and the 20 inch large bike and both of them are small to my niece. Couldn't afford to spend another $300 on the next size. These bikes runs small to the bikes on the market

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    Was this helpful?  1    0
    08/30/2023

    Guardian Bikes

    Hi Madhu! I'm sorry to hear the bikes were not a good fit. It looks like our Ridesizer recommended the 20" large initially. I know it may seem like we were recommending a very large bike for your child, but keep in mind that all bikes have a different geometry. If you were to try a bike at Walmart or Target, or even at a bike store, that shared the same wheel size as our bikes, it will not fit the same. Guardian Bikes are specifically designed with an extended wheelbase & lower center of gravity to make balancing easier for kiddos. They also have smaller frames & use specific hand levers that are smaller (perfect for little hands!) and easier to pull than typical brake levers. We so appreciate you giving our bikes a try and would love to help with getting your niece the perfect bike. Feel free to reach out for more help! Best, Laura @Guardian Bikes

    ME
    10/28/2021
    Matt E.
    United StatesUnited States

    Tire Will Not Hold Air

    After receiving the bike, we aired up the tires only to see the rear tire not hold air. There doesn’t appear to be a hole in the tire and seems to be an issue with the tire getting a seal on the rim. I’m hoping Guardian will take some ownership and accountability for this and do the right thing by making it right.

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    Was this helpful?  4    12
    10/28/2021

    Guardian Bikes

    Hi Matt, Thank you for giving us a call. I am glad we were able to get the tire fixed. We are thrilled to hear your daughter loves the bike. Please reach out again if there is anything we can do for you. :) Sam @ Guardian Bikes

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    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.

    The Balance Bike Method

    🎁 Important!

    Guaranteed Holiday Delivery ended at 6:30pm EST, on Friday, December 15th for all in stock bikes.

    For all current in stock bikes, you will see a “May Arrive Before Christmas Badge”. This badge indicates we have inventory ready to ship out.

    Please see transit times below. Note that these are estimated business days, and delays can be expected this time of year. We do not offer expedited shipping at this time.

    Thank you, and 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

    The Best Bikes at the Best Price

    What is Total Value?

    We believe great bikes shouldn’t break the bank. When we say you’re saving money, we mean it—no inflated prices, no gimmicky markdowns.

    Our expert team sources top-quality components and frames and assemble every bike right here in our USA factory.

    By manufacturing domestically and managing our own factory, we avoid high tariffs and retail markups, saving you hundreds of dollars on premium bikes without sacrificing quality.

    How Do We Calculate Value?

    We keep it straightforward: we compare the actual prices of three comparable bikes with similar quality and components. Our "Total Value" is always at or below their average price, ensuring you get the best deal every time.

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