Huffy Swarm 51cm Boys Single-speed bike has durable steel frame, built to last Silver gloss finish with red accents looks sharp. Front and rear linear pull handbrakes provide solid control. Railed seat has quick release clip to adjust height for the right fit. A fun ride with a hot look. A "big" bike is what it's all about when you're young. No training wheels - just two wheels and the will to ride!