Ride with Leonardo, Donatello, Michelangelo and Raphael on the Nickelodeon Rise of TMNT Kids? Bike. This awesome bike features a steel kids frame with authentic Teenage Mutant Ninja Turtles graphics. It even comes with a Raphael cargo bag for hauling favorite TMNT gear wherever you go. Simple single-speed riding is great for young riders, while the rear coaster brake provides intuitive stopping power. Removable training wheels add stability while your child learns to ride, and the tool-free adjustable seat post lets the bike grow with your child as they get taller. Awesome adventures await with the Rise of TMNT kids? bike. Cowabunga dude!