Product Review: Diamondback Rival 18" BMX Freestyle Kids Youth Boys Bike Frame New The Diamondback Rival 18" BMX Freestyle Kids Youth Boys Bike Frame New is a high-quality bike frame designed for kids and youths who want to get into the world of freestyle BMX riding. The frame is made from durable aluminum, which provides excellent strength and stability while also being lightweight enough for easy maneuverability. One of the standout features of this bike frame is its adjustable seat post, which allows riders to easily change their height as they grow or improve their skills. This ensures that kids can continue to ride comfortably and safely as they progress in their BMX journey. Another great feature of this bike frame is its integrated chain stay protector, which helps prevent damage to the frame from chains and other components. This not only extends the life of the bike but also provides added safety for riders. Overall, the Diamondback Rival 18" BMX Freestyle Kids Youth Boys Bike Frame New is a well-designed and durable bike frame that is perfect for kids who want to get into freestyle BMX riding.