Huffy 20" Bicycle Pro Thunder BMX for Boys 6-9 Years

Huffy Pro Thunder 20-inch BMX-style kids bike

The Huffy Pro Thunder 23300W is a royal blue, single-speed children's pedal bicycle with 20-inch wheels, a steel frame and front and rear caliper brakes. Its BMX-inspired styling, padded seat and handlebar crossbar pad make it a straightforward choice for family rides and everyday cycling.

This listing is intended for children aged 6–9 years. The size guide suggests a rider height of 117–136 cm for a 20-inch bike. Age and height are starting points, not a guarantee of fit: check that your child can comfortably reach the handlebars and brake levers and control the bike before riding.

Key features

• Single-speed gearing: no gears to change while riding.
• Front and rear caliper brakes: hand-operated braking with a freewheel system.
• Steel construction: a durable steel Tri Tube frame and steel unicrown pressed fork.
• BMX-inspired design: royal blue finish with black, 28-spoke rims.
• Comfort details: decorated padded junior ATB seat with integrated seat post and a handlebar crossbar pad.
• Kickstand included: supports the bike when parked.
• Five-step assembly: assembly is required before use.

Huffy Pro Thunder specifications

Choosing the right kids bicycle size

Compare your child's height and riding confidence rather than choosing by age alone. These are general bicycle sizing guidelines, not specifications for other Huffy models.

Huffy Pro Thunder questions and answers

Is the Huffy Pro Thunder electric?

No. This Huffy Pro Thunder is a pedal-powered, single-speed bicycle, not an electric ride-on bike.

What age is this 20-inch bike for?

This listing is aimed at ages 6–9. The general height guide is 117–136 cm, but individual fit and the ability to reach and operate the brakes matter more than age alone.

Does the Huffy Pro Thunder have gears?

It has single-speed gearing with a freewheel system. There are no gears to change.

What brakes does it use?

The bike has front and rear hand-operated caliper brakes.

Is this a BMX stunt bike?

This is a BMX-style children's bicycle. BMX-inspired styling does not establish suitability for jumps, tricks or competitive BMX riding.

Does it arrive assembled?

Assembly is required. The product uses a five-step assembly process; follow the supplied instructions and check the bike before riding.

Explore more kids bikes

Compare wheel sizes and styles in our kids bicycles collection, or explore the wider bikes collection. For help choosing a size, contact Electric Ride On Cars on 0208 5522 432.