Frog 38 (3-4 Years)
Frog 38 (3-4 Years)
Features
The Frog 38 is a lightweight, confidence-boosting first-pedal bike for young riders transitioning from a balance bike. Its sturdy frame and child-specific design—including patented Frog cranks, small brake levers, and a perfectly sized saddle—ensure comfort, control, and safety. Parents love its easy portability and low-maintenance chainguard. Built to ISO8098 standards, it’s the ideal start to every cycling journey..
Package Includes
1 x Frog 38 (3-4 Years)
998 in stock
Bike Specifications
Bike Specifications
Delivery Information
Delivery Information
Where we deliver – To most of the UK, excluding Northern Ireland and isle of man
Cost
- Delivery - £17.99
Our delivery partners will be in contact with you to confirm the delivery of your new bike.
What happened if I am not in when delivery is made
An adult will need to be present at the time of delivery to sign for the bike. If you are not in when delivery attempted the courier will attempt on a different day. However, repeat missed deliveries will occur a fee.
Size Guide
Size Guide
Frog Bike Model | Beginner Inseam | Confident Inseam | Max Inseam | Age Range | Wheel Size | Frame Size |
---|---|---|---|---|---|---|
Tadpole | 32cm (13") | 31cm (12") | 41cm (16") | 2–3 | 12" | - |
Tadpole Plus | 38cm (15") | 36cm (14") | 47cm (18") | 3–4 | 14" | - |
Frog 38 | 38cm (15") | 36cm (14") | 41cm (16") | 3–4 | 14" | 9" |
Frog 44 | 44cm (17") | 40cm (16") | 53cm (21") | 4–5 | 16" | 9.5" |
Frog 47 | 47cm (18") | 43cm (17") | 59cm (23") | 4–6 | 18" | 9.5" |
Frog 53 | 53cm (21") | 50cm (20") | 65cm (26") | 5–7 | 20" | 11" |
Frog 61 | 61cm (24") | 57cm (22") | 74cm (29") | 8–10 | 24" | 12" |
Frog 67 | 67cm (26") | 63cm (25") | 76cm (30") | 10–12 | 26" | 14" |
Frog 74 | 74cm (29") | 69cm (27") | 91cm (36") | 12–14 | 26" | 18" |
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Choose a Bike
Pick the correct size and style for your child from our premium selection of Frog Bikes.

Add Bike Hub Assurance
For just £2/month, get peace of mind with cover for accidental damage, repairs, and total loss.

Subscribe
Your first payment is taken at checkout. After that, monthly payments are collected by direct debit.

Select Delivery
Select weekday or weekend delivery slots and we will delivery your bike ready to ride.
Frequently Asked Questions
How the Subscription Works?
How the Subscription Works?
At Kidching Bike Hub, you don’t need to buy a new bike—just rent one for as long as you need it.
Setting up your subscription is simple:
Choose a Bike
-Pick the right size and style for your child from our selection.
Add Bike Hub Assurance (Optional)
-For just £2/month, get peace of mind with cover for accidental damage, repairs, and total loss.
Select Delivery
-Weekday delivery: £14.99
-Weekend delivery: £19.99
Payment
Your first payment is taken at checkout. After that, monthly payments are collected by direct debit on the 1st of each month, according to our payment schedule.
Exchanges
Exchanges
Exchanges are priced at £10 plus delivery
fee of the new bike.
First you will need to cancel your
current subscription within your profile section and then order a new bike
within 24 hours of cancelling. You will then not be charged the cancellation fee and
your old subscription will be cancelled and the new one for the new bike will
be created.
Cancellations
Cancellations
You can cancel your subscription at any time, we understand that life changes, and we want to keep things flexible. Just log in to your account and click Cancel.
Please note: A return admin fee is applied when sending the bike back:
-Balance bikes – £25
-All other bikes – £35
Bike returns
Bike returns
You can cancel your subscription at any time. We understand that things change, and we want our service to be flexible. All you ned to do is log into your account and click cancel. We have an admin that is applied to the return of the bike.
-Balance bikes - £25
-All other bikes £35
How to return your bike.
- Log into your account and click cancel subscription
-Confirm your cancelation by answering a few questions including your collection address and date
Pay the return fee as above
-Prepare your bike for collection
-Once your bike has been received and check over by one of our mechanics, your subscription will be cancelled.

frog bikes
We proudly supply Frog Bikes, a leading UK manufacturer of high-quality children’s bicycles. Specialising in lightweight bikes for ages 1 to 14, including balance bikes, Frog is known for its commitment to comfort, safety, and performance. Founded in 2013 by Jerry and Shelley Lawson, this family-run business operates from its head office in Ascot, with its own manufacturing facility in Pontypool, South Wales.