Originally Posted by T-Mar

Welcome to the forums. Sorry, I don't recognize the serial number format. It appears to be an aluminum, TIG welded frame but that's about all I can say from the single picture provided. If you can provide pictures of the overall bicycle along with some picture of the major components (derailleurs, crankset, brakes), we may at least be able to narrow down the age, even if we can't identify the manufacturer or brand.