Subrosa Tiro 18" BMX BikeSubrosa's Tiro 18" BMX is that final stepping stone for younger riders before making the leap to a full size 20" BMX. It's designed and built for freestyle riding in the park and the streets, with its short chainstay making it perfect for technical street riding with a really responsive feel. The Tiro 18" has ton of aftermarket products from Rant to help your little shredder improve their skills while handling BMX abuse, like the internal sealed