Stronglight Dural 5083 Black 110mm Shimano Compact Chainring – 39T (266061) Review Posted on July 4, 2018November 9, 2018 By ArchSeaLionPosted in Drivetrain ComponentsTagged Cycling, Outdoor Recreation, Parts & Components, Sports & Outdoors, StrongLight – Shimano/Sram/FSA 9/10spd compact chainset compatible. – Light and resistant dural 5083 Alloy – matt black – 3/32 – 5 bolt – 110 BCD (64.7mm bolt centre to bolt centre)