The 2021 Marin Hidden Canyon 20 is a children's bike designed for kids who are just learning to ride or looking for an upgrade from their first bike. This lightweight and durable bike features a 6061 aluminum frame, suspension fork, and easy-to-use Shimano RevoShift twist shifter. With 20-inch wheels and seven gears, the Hidden Canyon 20 is ideal for young riders to explore and have fun on various terrains. Additionally, the bike is equipped with powerful disc brakes to ensure a safe and controlled ride for the child.