Frog 47 | Best 18 inch bike for young riders
The Frog 47 is the perfect next step for children who are ready to upgrade from smaller bikes. This premium 18-inch kids' bike is built for 4 to 6 year old, combining a light aluminium frame with high-quality, child-specific components to make riding smoother, easier, and more fun.
Quick Specs
Ready to upgrade your child to an 18 inch pedal bike?
The Frog 47 is the perfect next step for children who are ready to upgrade from smaller bikes. This premium 18-inch kids' bike is built for 4- to 6-year-olds, combining a light aluminium frame with high-quality, child-specific components to make riding smoother, easier, and more fun. With an adjustable handlebar height and quick-release seat post, the Frog 47 adapts as your child grows, meaning you won't need to size up too soon. From cycling to school and exploring park paths to weekend family adventures, this lightweight bike helps young riders develop balance, coordination, and lifelong cycling confidence. The Frog 47 is suitable for children with an inside leg measurement of 43-59cm.
Built to grow alongside your child
The Frog 47 kids' first pedal bike is fully adjustable to keep pace with your child's growth spurts. The tool-free quick-release seat post and adjustable handlebars mean you can fine-tune the fit in seconds, ensuring comfort, control, and proper riding posture as children get taller.

Effortless pedalling with patented cranks
Specially designed patented cranks (made using 75% recycled aluminium) reduce the distance between the pedals on this 18-inch first pedal bike, making riding more efficient and less tiring for little legs. This unique design helps children pedal smoothly, improve coordination, and enjoy longer rides without fatigue.

Lightweight for easy handling
Weighing just 6.75kg, the Frog 47 is one of the lightest 18-inch kids' bikes on the market. Children can lift, push, and manoeuvre it with ease, while parents will love how simple it is to carry or load into the car. The robust aluminium frame (made using 30% recycled aluminium) is built for years of adventures without weighing riders down.

Safety-first design
The Frog 47 18-inch kids' bike comes with child-friendly brake levers sized for small hands, a responsive braking system, and a stable frame geometry that keeps riders balanced. Chunky handlebar grips give extra control, while the enclosed chainguard protects clothing and fingers.

Convert to a balance bike
Not quite ready for pedals? Remove them to turn the Frog 47 18-inch first pedal bike into a balance bike, helping your child build core cycling skills at their own pace before transitioning back to full 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.
Collect in store or delivered ready to ride - What's included?
The Frog 47 kids' first pedal bike comes equipped with essential safety features and practical kids' bike accessories, including reflectors for improved visibility, durable mudguards (valued at £28) to keep clothes clean, and a bell for added fun on every ride. While a kickstand isn't included, it's available separately, giving you the flexibility to add extra convenience to your child's first pedal bike experience.
Bike assembly – Quick & easy setup
Your Frog bike arrives 95% pre-assembled to ensure safe delivery and a hassle-free setup experience. Only a few simple steps are needed to get your child’s new bike ready to ride:
Assembly steps:
- Align and secure the handlebars (pre-positioned for transit)
- Attach the pedals (packaged separately for safety)
Tools included:
- 5mm and 6mm hex keys (allen wrenches)
- 15mm open-end spanner
