T th0m Dirt Disciple Nov 10, 2020 #1 Most older Campag outer chainrings are marked for example "52/39", indicating the number of teeth and the most suitable inner ring. However, there are also some that are marked for example "52 AS". Does anyone know what the "AS" stand for?
Most older Campag outer chainrings are marked for example "52/39", indicating the number of teeth and the most suitable inner ring. However, there are also some that are marked for example "52 AS". Does anyone know what the "AS" stand for?
