Origin8 Alloy Classic Chainrings, 144mm, Silver Review Posted by Pelicandy October 20, 2018 in Drivetrain Components CNC machined 6061-T6 aluminum construction 144mm 5-Bolt BCD pattern Track or Fixie applications Made in the U.S.A. Origin8 Alloy Classic Chainrings in various sizes Random Products K-Edge PRO Braze-On Chain Catcher Review Shimano FC-6750 Compact Chainring – 110mm, 3... SHIMANO Ultegra 10 speed Double Chainring Review GO CART/MINI BIKE CHAIN 3 FT OF # 420 Review Cycling Origin8 Outdoor Recreation Parts & Components Sports & Outdoors