I'm interested in peoples' opinions and experience on when you should replace flying lines.
Thanks for any help.
A quick search on Making Q power line sets , will yield a tun of info for
building your own line sets at a reduced cost. It isn't very difficult.
Search : Making Q power line sets, (in the lower Left corner of this page)
Your Thread title, kinda says it All, as to Why you would want to replace them !!!