For 2015, Sunday offers the Primer model in an 18" model making a fun, small size bike that kids will want to keep riding. It's shorter chain stay, lighter wheels and specific frame make it easier to learn on. Available with an 18.5" Toptube and 7.65" rise bars suitable for riders under 5ft 5". Sunday's junior shredder sports great quality Sunday parts and Odyssey's aftermarket Springfield brakes with Quikslic cable for troublefree braking performance.