Shimano Shimano Produktionscode Component Dating at Vintage Trek http://www.vintage-trek.com/component_dates.htm#shimano Vintage Trek Produktionscode Date of manufacture for bicycle components Vintage Trek Shimano based on this article Vintage Trek based on this article Vintage Trek Shimano Produktions Code Shimano Produktionscode http://www.vintage-trek.com/component_dates.htm Component Dating at Vintage Trek Vintage Trek based on this article https://www.vintage-trek.com/component_dates.htm date on the gears Shimano Produktionscode Produktionscode Shimano Produktions Code Date of Manufacture for Bicycle Components Date of Manufacture for Bicycle Components date on the gears Date of manufacture for bicycle components based on this article