Hi, new to the forum. Read a lot, but first time posting. Building a steel frame Colnago master art decor with a 9 speed campagnolo veloce group set. Looks like 9 speeds used the ER 500 cable set, which was updated and replaced when the ultrashift system was introduced. I'm probably misstating this. Bottom line...which cable set will work with my group set? Finding that older ER 500 set is very difficult. Any recommendations on other brands? Thanks!