Sunday Blueprint 16" BMX BikeThe Sunday Blueprint 16" BMX is built to get beginners learning the ropes or those stepping up a size feeling more comfortable on a bigger sized BMX. 1020 Hi ten steel construction throughout the frame, fork and bars ensure the Blueprint is strong and durable perfect for beginners and progressing riders alike. While the majority of the parts on the Blueprint 16 are smaller they're made from the same materials and to the same specs as full sized parts.