Frog 38 – 14” First Pedal Kids Bike - Age 3–4
Frog 38 – 14” First Pedal Kids Bike - Age 3–4 - Spotty is backordered and will be available when it is in stock.
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- 60-day returns
- Built and safety-checked by our mechanics, then boxed with just the bars, pedals and front wheel to fit
- Order before 12pm for delivery in 2 working days (UK mainland)
The Frog 38 is thoughtfully designed for young riders aged 3 to 4 years. Replacing the Frog 40, this lightweight and durable kids' bike is perfect for little adventurers. Built to make learning to pedal a fun and confidence-boosting experience, the Frog 38 helps children build balance, strength, and coordination. It's the ideal first bike for kids, creating memorable moments as they ride off on their own for the very first time! The Frog 38 is suitable for children with an inside leg measurement of 36-41cm.
Quick Specs
A bike that grows with your child
The Frog 38 14-inch first pedal bike is designed to grow with your child, featuring an adjustable handlebar height and tool-free seat post adjustment. As your young rider grows taller and stronger, the bike easily adapts to ensure a perfect fit, providing long-lasting comfort, confidence, and a better riding experience
Designed for easier pedalling
The Frog 38 kids' first pedal bike features patented Frog cranks (made using 75% recycled aluminium), designed to provide a more efficient pedalling motion that's gentler on young legs. This patented, innovative design makes cycling smoother and more enjoyable for kids while helping them build strength, coordination, and confidence as they develop their cycling skills.
Lightweight for kids and parents
Weighing only 6.06kg, the Frog 38 14-inch bike is an incredibly lightweight kids' bike that's easy to handle and manoeuvre. Young riders will feel confident as they navigate their first rides, while parents will love the bike's portability, whether carrying it to the park or lifting it into the car. The bike's thin-profile aluminium frame (made using 30% recycled aluminium) provides a sleek, streamlined look without sacrificing durability or strength.
Confidence-boosting safety features
Safety comes first with the Frog 38 kids' bike. Small, easy-to-reach brake levers are designed specifically for young hands, helping children learn to stop with greater control. The responsive braking system, combined with a low centre of gravity and a stable frame, helps little riders stay balanced and in control, while enlarged handlebar grips offer extra protection during tumbles or sharp turns.
Sleek and kid-friendly design
The Frog 38 14-inch first pedal bike is designed with safety in mind, featuring a sleek, low-profile chainguard that helps protect little fingers and keeps clothes clean, while still looking great. Its innovative Insane Chains chain protector adds an extra layer of security and reduces maintenance for parents. The frame is also kickstand-ready, making it easy to add one later for added convenience and stability.
The perfect transition from a balance bike
Not quite ready for pedals? The Frog 38 kids' first pedal bike offers the perfect solution by easily converting into a balance bike - just remove the pedals. This flexible design allows children to develop their balance and coordination at their own pace, making it an ideal choice for those transitioning from balance bikes to their first pedal bike. It's a seamless way to build confidence and ease into pedalling.
Built for safety, trusted by parents
Every Frog bike is rigorously tested to exceed international safety standards - because nothing matters more than your child's safety
Ready to ride - What's included?
The Frog 38 is designed with essential safety features and convenient kids' bike accessories, including reflectors for enhanced visibility, mudguards (worth £28) to keep clothes clean, and a bell for added fun. While the kickstand isn't included, it's available to be purchased separately, giving you the option to add even more convenience to your child's first pedal bike experience.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Other Payment Methods
Novuna Finance (Interest Free on Full Price Bikes, 9.9% Interest on Sale Bikes)
Klarna (under £1000)
Why Buy From Us?
Free servicing, priority workshop and bike box hire
Free servicing, priority workshop and bike box hire
Selling bikes in Glasgow since 1980 — one of the longest-established shops in Scotland.
Built properly. Every bike assembled from scratch by our Cytech Level 2 mechanics, brakes bedded in, greased to suit a Glasgow winter, buddy-checked and test ridden before it’s boxed.
Free 6-week service. Cables stretch and spokes bed in over the first few hundred miles. Bring it back and we’ll re-tension, re-index and check every bolt.
Priority workshop, for as long as you own the bike. We never turn away someone who bought their bike here, however busy we are.
Free bike box hire. A hard-case Bike Box Alan whenever you travel with the bike.
Free changes at the build stage. Saddle, stem, bars, tyres, pedals — far cheaper before the bike is built than after. Add a note to your order at checkout.
Free test rides around Glasgow Green, on as many bikes as you like.
How long will it take to receive my order?
How long will it take to receive my order?
Check out or handy dynamic delivery date estimator on the right of the product page for delivery times.
All products dispatch next day if ordered before 12 noon
Full price bikes ship FREE via APC 24hr
Sale bikes are £40 via APC 24hr
Kids bikes are £10 via Parcelforce / APC 24hr
All other products are £4.99 via Royal Mail 48hr Tracked or £10 for 24hr / Saturday
How do I return a product?
How do I return a product?
Items must be returned within 60 days after receiving your order, returned in the same condition in which they were received, be unused and include the original packaging.
Once your return is received, inspected and approved, we will process your refund and a credit will automatically be applied to your credit card or original method of payment, usually within 5 days.








