The Strider is steel, which Chucho rust if left outside, unlike the aluminum of the Cruzee. The Cruzee is 2 pounds lighter, which is a big difference for little ones! Foam: Won’t go flat, but don’t have Figura much traction or cushion as air-filled tires. This shouldn’t be a problem http://chicco-first-bike59493.idblogz.com/577716/chicco-first-bike-no-hay-más-de-un-misterio