I wax chains and rotate them all the time - I swap the SRAM quick links every season, whether they need it or not 
Never really had problems but I do occasionally grab a new one before a big race just as a preventative measure
I wax chains and rotate them all the time - I swap the SRAM quick links every season, whether they need it or not
Never really had problems but I do occasionally grab a new one before a big race just as a preventative measure