The Radio Flyer #23T Grow "N" go bike is a wonderful beginner"s bike that can grow with your child! The simple Easy-Adjust clamp allows you to customize the bike for your child as they grow, This feature adds years of use to the life of this toy, Easy adjust clamp allows bike to grow with child, Training wheels for beginning riders, Solid steel construction, Ages: For ages 1-1/2 - 3, Body: 15, 5"" x 19, 5"" x 16"", Wheels: 8"" x 2"", Training Wheels: 4"" x 1"", SKU: RADFLR1264