Kmc x9 sl silver 9 speed chain chains
Warranty the life of all kmc double x durability and triple x durability chains are guaranteed to last longer than other brands double x durability warranty includes all x sl x el x10e x9e x101 and x1 models if you are not satisfied with the durability of your chain send and email to doublexkmcchainnl should you have a valid complaint you will receive a replacement chain with kmc39s compliments