Originally Posted by
Reynolds
That may be true in theory, but not necessarily in practice. I've reused pins in 7/8sp chains for years, never had any problems. Didn't dare to do it on 9/10/11 Shimano/Sram though, but did it many times on Campagnolo 9sp, which doesn't have replacement pins
AFAIK.
Unlike the other companies, Campagnolo didn't switch to flush riveted chains until they moved to 10 cogs.