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How do I choose the right-sized bike for my child?

All the different wheel sizes and different frame sizes can be confusing but The Little Bike Company has a straightforward method to work out which size bike you need for your child:

Our approach is to make sure the bike always sustains and builds confidence. Most important is that when stationary they can safely and confidently sit on the saddle and put their feet on the floor flat enough. The younger, more inexperienced, or less confident the rider, the more their feet need to be flat on the floor. This will make them feel in control and build confidence.

To find the right bike for your child their inside leg measurement is the key. Use the guide at the bottom of this page to measure your child’s inside leg accurately https://www.thelittlebikecompany.co.uk/size-guide/.  Or watch the video below.

All of our bikes are measured for the minimum inside leg measurement for the rider and every bike’s product description includes the inside leg measurement range in centimeters.

Some manufacturers, like Frog Bikes, helpfully name each bike by the recommended minimum inside leg measurement of the rider. So for example, the Frog 48 is suited to a child with a minimum inside leg of 48cm.

You can search our whole range of bikes, by inside leg measurement, using the advanced search button on the homepage. Simply choose your child’s inside leg measurement from the drop-down menu and click search.

If your child appears to be between sizes or you’re unsure about which choice to make, just give us a call on 01442 872123 and we’ll be happy to advise you.

How do I measure my child’s inside leg accurately?

We have a very accurate method to measure your child’s inside leg at the bottom of this page, which involves a book, a tape measure, a wall and a child https://www.thelittlebikecompany.co.uk/size-guide/

Or watch the video below.

In the pursuit of precision, please don’t measure their trouser legs and don’t do it free hand with a tape measure (unless you happen to be a tailor!).

How long will the bike last in terms of fit?

A tricky question and difficult to answer with any degree of accuracy, as it depends upon how quickly your child grows.  As a general rule, children tend to outgrow smaller bikes more quickly than the larger bikes, as the larger bikes tend to accommodate more growth in the rider. See our guide below for our best guesstimate, based on experience.

As a guide, if the saddle is set at its lowest point, the following estimates tend to work:


Bike Wheel Size Age Group Bike Fit Estimate
12 inch 2-4 Years 12-18 Months
14 inch 3-5 Years 12-18 Months
16 inch 4-6 Years 18-24 Months
20 inch 6-8 Years 2-3 Years
24 inch 8-10 Years 2-3 Years
26 inch 10+ Years 3+ Years


Should I buy a bike for my child to grow into?

The simple answer is no – it’s not like a school blazer!

We understand the temptation to try and get a better return from your investment by selecting a bike which is as big as possible.

However, there is the potential that it could all go horribly wrong.  If the bike is too big for the rider to feel safe and confident, then it is unlikely they’ll be having much fun. You could even find they won’t want to ride the bike at all.  Which means buying a bigger bike has become a false economy.

We are firm believers in putting kids on bikes which fit now. It is safer, will make them confident riders and maximize their enjoyment.

Don’t forget, many of the brands we sell command good prices in the second hand market.  Also, we will always accept bikes bought from us in part exchange for a new bike. See the details below.

Will you accept my current bike in part exchange for a new bike?

During the current Coronavirus situation we are not accepting used bikes in part exchange.

Do you sell used bikes?

Yes, we normally have a few used bikes in stock.  However, recent restrictions have prevented us from doing part exchanges, so we don’t have much at all. Please see this section of the website to see what we do have. https://www.thelittlebikecompany.co.uk/product-category/used-bikes/


How do I measure my child’s head and fit for a helmet?

Please watch this video.

Do you export bikes, clothing or accessories?

We do not export woom bikes at all. Currently we do not export to EU countries. To enquire about shipping bikes other than wooms or anything else to non-EU countries, please email help@littlebike.co.uk

Will my bike need to be assembled when it’s delivered?

Every bike we ship has been built up, set up and safety checked by us.  We then partially dismantle them for shipment.  The video below shows the sort of thing we do in prepping the bikes. We don’t always do it that quickly! Normally, pedals and handlebar need to be put on the bike upon receipt.  Sometimes the front wheel also. We provide some basic tools and very clear instruction on how to do this and we are happy to handle any queries on 01442 872123 or help@littlebike.co.uk   



We have created these assembly guide videos for woom bikes.

woom 1


woom 2 and 3


woom 4, 5 and 6

How do I change a punctured inner tube on the rear wheel of  a woom 2 or 3?

If the rear wheel tyre of your woom 2 or 3 is punctured it can be a bit tricky to remove the rear wheel because of the chainguard. These two videos will show you how to do it for pre 2021 bikes and bikes bought January 2021 onwards.

First the pre-2021 bike.



This video shows you how to do the same job, but on bikes bought January 2021 onwards.


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Current turnaround for despatching bike orders placed from today is around 4 working days.