Shimano twelve velocity: When putting together 12 pace Shimano drivetrains There's a line on the back on the derailleur as proven in the first graphic. Change into the second to premier equipment, line up the edge of the biggest gear with the line over the derailleur to receive an ideal https://indexing-bike-gears35780.bloginder.com/33471596/indexing-bike-gears-an-overview