SUGINO ZEN144 BK Chainring Review Posted on July 7, 2018November 9, 2018 By ArchSeaLionPosted in Drivetrain ComponentsTagged Cycling, Outdoor Recreation, Parts & Components, Sports & Outdoors, Sugino P.C.D. : 144mm Chain Size : 1/2″x1/8″chain *Not included Surface Finish : Anodized