Outside is their best side. Electra’s Sprocket 20" bikes provide good old-fashioned fun in a good new-fashioned ride. Featuring Electra’s patented Flat Foot Technology®, this bike is both comfortable and easy-to-ride. Designed to accommodate growth spurts, the Sprocket 20" is perfect for kids ages 5 to 8 between 3'8" to 4'5" tall.