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<p><span id="isPasted" style="color: rgb(38, 40, 46); font-family: -apple-system, BlinkMacSystemFont, &quot;San Francisco&quot;, Roboto, &quot;Segoe UI&quot;, &quot;Helvetica Neue&quot;, sans-serif; font-size: 18px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.05px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">Great question! It is not possible to add gears to a single-speed bike. This is because the rear dropouts (where the rear wheel fits in) are only 100mm wide, whereas geared bikes have 130mm wide dropouts to account for the gearing system.&#xA0;</span></p><div style="box-sizing: inherit; color: rgb(38, 40, 46); font-family: -apple-system, BlinkMacSystemFont, &quot;San Francisco&quot;, Roboto, &quot;Segoe UI&quot;, &quot;Helvetica Neue&quot;, sans-serif; font-size: 18px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.05px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br style="box-sizing: inherit;"></div><div style="box-sizing: inherit; color: rgb(38, 40, 46); font-family: -apple-system, BlinkMacSystemFont, &quot;San Francisco&quot;, Roboto, &quot;Segoe UI&quot;, &quot;Helvetica Neue&quot;, sans-serif; font-size: 18px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.05px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">More simply put, there is not enough room to add gears.</div><p><br></p>

Great question! It is not possible to add gears to a single-speed bike. This is because the rear dropouts (where the rear wheel fits in) are only 100mm wide, whereas geared bikes have 130mm wide dropouts to account for the gearing system.

Can I add gears to a single speed bike?

Product FAQs

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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

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What is the process if my bike arrives damaged?

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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

Front brake diagnostic tool

New bike assembly instructions

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

Balance Bike

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

14", 16", 20" Small Bike

Shifting and gears diagnostic tool

Training wheel installation (geared bike)

Raise handlebar

Tire and tube

20" Large Bike

Connecting the front brake

Front brake is rubbing on one side of the wheel

Front wheel and brakes setup guide

24" and 26" Bike

Bike Support

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?

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Can I use the bike on trails?

What's the recommended tire pressure?

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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?

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What is the Guardian Bikes Warranty Policy?

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

Can I add gears to a single speed bike?Updated 7 months ago