The GT Bicycles Grunge 12 Kids' Bike combines style, comfort and reliability to make a high-quality bike that's great for developing riders from two to four years old. GT's LegitFit design give the rider a better fit and optimal positioning for easy pedaling. It's alloy rims, stem and seatpost comes together with the Hi-Ten steel frame to create a lightweight and durable bike that's though enough to handle tough kids or a few of the bumps that come with learning to ride. This bike rolls on 12" tires that have the optimal balance of grip and control while the coaster allows them to control their speed and ride safely. The GT Bicycles Grunge 12 Kids' Bike sets the bar high for kids providing mounds of fun all summer long.