With our Riprock Coaster 12 riding gets boiled down to its simplest element-fun And to make sure of it we designed the bike with tons of cool features that are easy for your little ones to use like a coaster brake for simple stopping wide 12x23 tires that increase stability and confidence and tough components that will stand up to years of abuse Its the perfect bike for your little ripper to start getting out on the trail with-we just wish that we had one when we were kids