Originally Posted by Shiznaz

If we are talking about Ti I have a question:

I had my friend I'm going to be touring with over from Hamilton last weekend and he was inspecting my bike stash. He found my XTR cassette I got at the fall bike show and immediately starting telling me it was not a great choice because some of the cogs are titanium so they will wear faster. Wouldn't the titanium cogs wear slower than the Al cogs? Do I actually have to worry?