High Speed Boyz is formed.
High Speed Boyz become a major act and sign to freedom records, a sublabel of Victor Entertainment.
High Speed Boyz go on a hiatus
High Speed Boyz resumes activities, although as a solo project of JIN as the remaining band members don't return.
High Speed Boyz disbands
High Speed Boyz was a non-vkei solo project. They were active from 2008 to 2015 and are now disbanded.