Subrosa noster s bmx framesubrosas noster s bmx frame is the signature model of bmx pro and x games regular simone barraco it features a higher bottom bracket and a short back end which provides nippy and responsive handling its constructed from high quality 4130 crmo which is double butted at the top and down tubes for extra strength clearance for both hub guards and wider tyres has been well accounted for as not only are the chainstays flatted their s bend design leaves plenty of room