This tool will help you diagnose and fix any issue with the front brake:. Click here to start Front Brake troubleshooting

This tool will help you diagnose and fix any issue with the front brake:<a href="https://guardianbikes.typeform.com/to/zyu2L5pd" rel="noopener noreferrer" target="_blank">Click here to start Front Brake troubleshooting</a>&#xA0;<div data-block="true" data-editor="8604n" data-offset-key="e3h45-0-0" id="isPasted"><div data-offset-key="e3h45-0-0">Please note:&#xA0;the bike has to have weight on it &amp; be moving in a forward motion for the front brake to engage. The brake cables must be straight and not twisted around the front of the bike.&#xA0;</div></div>

Front brake diagnostic tool

<a href="https://guardianbikes.com/pages/assembly" rel="noopener noreferrer" target="_blank">Click here</a>&#xA0;to start the setup guide!

New bike assembly instructions

Technical and setup help for your Guardian balance bike

Balance Bike

Technical and setup help for 14", 16", and 20" small Guardian Bikes.

14", 16", 20" Small Bike

Technical and setup help for your 20" large Guardian bike.

20" Large Bike

Technical and setup help for 24" and 26" Guardian bikes.

24" and 26" Bike

By texting our phone number, you agree to receive customer support-related text messages from Guardian Bikes.

Shop Bikes

Bike Sizing Quiz

Subscribe

Setup Your Bike

Guardian Bikes

Guardian Bikes Technical and Setup Help Center

Bike Support

How long will it take it arrive?

Do you have any sales or promotions?

How do I pick the right size bike?

Can I cancel my order with no penalty?

Do you charge my card upfront when I place an order for an out of stock item?

Do you have retailers?

How do I complete my purchase using installments?

How can I stay informed about sales and special offers from Guardian Bikes?

Can I split payments on two credit or debit cards?

How do I make changes to my order?

Do you offer a military, veteran, first responder, or teacher discount?

Can I customize the color of the bike or its parts?

How do I claim the lock and pump offer?

How do I subscribe to marketing alerts from Guardian Bikes?

Why does the price change from the cart to checkout at Guardian Bikes?

How do I unsubscribe from marketing texts and emails?

What's the Guardian Bike return policy?

Ordering

How do I choose a size?

How do I measure my child's leg length/inseam and why is it important?

I'm a small adult. Can I ride a kids Guardian Bike?

Why is the recommended bike size different than another bike my child has tried?

What's the difference between a 20" small and a 20" large?

In RideSizer, when I put in the height it tells me one size and when I put in their leg length it tells me another. Which size should I choose?

Do your bikes have a rider weight limit?

Sizing

What is the Guardian Bikes shipping policy?

How long does it take to arrive?

Where do you ship to?

Do you require a signature for delivery?

How big is the bike box?

Can you ship to a Military address?

Can you ship to a PO Box?

What is the process if my bike arrives damaged?

How do I upgrade to faster delivery?

How do I address a missing or incorrect item in my order?

How do I provide special delivery instructions to FedEx for my order?

Do you offer international shipping or shipping to Canada?

What should I do if my delivery says it was delivered, but I can't find it?

This is a gift. What does the bike box look like?

Shipping

Can I add pedals to the 12" balance bike?

Front brake is not working

Rear brake

Tires and tubes

Handlebar and stem

Front brake rubbing on both sides of the wheel

Saddle and seatpost help

Front brake engages while turning

Replace steering limiter

Chain help

Training wheel installation

Pedals

Raise Handlebar

Rear wheel locked up (brakes not rubbing)

Front brake is rubbing on both sides of the wheel

Older Wald training wheels for 14", 16" and 20" small bikes

Shifting and gears diagnostic tool

Training wheel installation (geared bike)

Raise handlebar

Tire and tube

Connecting the front brake

Front brake is rubbing on one side of the wheel

Front wheel and brakes setup guide

Training wheels for geared bikes (20" Large, 24", 26")

Training wheels for single speed bikes (14", 16" and 20" small)

Helmet Fitting

Water bottle holder installation

Install new grips

Seat clamp

Bike locks

Saddle Cover

Install a bike bell

Streamers

Install bell with shims (12", 14", 16" bikes)

Why doesn't my bell fit on the handlebar?

How to use the bike hand pump

Wheel Hub Lights

Accessories

Where can I find accessories and which ones work with my bike?

How much do your bikes weigh?

Can I add training wheels to the bikes?

Can I put larger tires for mountain biking on my bike?

Can I see an online version of the product manual?

Can I use the bike on trails?

What's the recommended tire pressure?

Do the bikes include a kickstand?

Can I add a quick release to the wheel?

What type of valve is on the tires?

Can I add gears to a single speed bike?

Do you sell refurbished bikes?

Are your tires and tubes air-filled?

Are Guardian Bikes suitable for people with special needs?

What are the measurements and geometry of the bike itself? (length, height, width)

Serial numbers

Install brake lever on the left hand side

How do I teach my child to ride a bike?

Do Guardian Bikes come assembled?

How do I use a Guardian Bike as a balance bike?

How to maintain a Guardian Bike

How to wash a bike

Where are our bikes made?

Product FAQs

How do I exchange my bike?

How do I return a bike?

Do you offer a trade in program?

How Do I Start a Warranty Claim?

What is the Guardian Bikes Warranty Policy?

Do I need to register a bike that was gifted to my child for warranty or support?