KMC Z-72 7-8sp chain (Gray/Brown) Review Posted by GiantPandaisy June 24, 2018 in Drivetrain Components This fits your . Make sure this fits by entering your model number. KMC Z72S Chain. Fits 6/7/8 Speed . 1/2” x 3/32” Black/Silver KMC Z-72 Chain Cycling KMC Outdoor Recreation Parts & Components Sports & Outdoors