Originally Posted by majland

Normally not - but a 525 is also heavier



You can just open it with a chain tool and use a rivet link to close it again. It is the same as when your shorten it. If you by a closed chain you have to make sure that you get it in the right length.




In my experience alu sprockets does not last as long as steel. So if you wants longevity 525 and steel, if your wants performance then 520 and leightweight alu :-)