The RoyalBaby Bunny bike has patented components specifically designed for the needs of children. Frame/Fork: Pulse TIG welded steel 1.2mm frame and BMX TIG welded steel fork with 1.2 mm dropouts and available in Pink and in wheel sizes 12-14-16 inch. The packaging includes all the tools necessary to assemble the bicycle so that this bike can hit the sidewalk in no time.