Origin8 Alloy Ramped Chainrings, Black/Silver Review Posted by Pelicandy November 5, 2018 in Drivetrain Components 6061-T6 alloy replacement rings 8, 9 and 10-speed compatible Black anodized with silver CNC machined teeth Ramped and pinned Made in U.S.A. Origin8 Alloy Ramped Chainrings in different size variations Random Products Origiin8 Chain Deflector, Black Review Contrast Single Speed Bike Chain Tensioner –... Evo One Piece Bicycle Crank – 165mm x 6 1/2i... Shimano Sora 3503 39t 130mm 9-Speed Chainring, Bla... Cycling Origin8 Outdoor Recreation Parts & Components Sports & Outdoors