This Huffy 40 cm. Pro Thunder bike is begging for awesome adventures with family and friends! The Pro Thunder has fun colours and cool racing graphics that you need for miles of memories. The durable steel frame bike in bright white comes with rugged tyres on matt black rims. The 40 cm. Pro Thunder includes an adjustable padded seat and handlebar to get the right fit. A fun ride with a winning style! With our easy 5-step assembly, you’ll have this bicycle ready to ride in just a short time.