GETTING MY INDEXING BIKE GEARS TO WORK

Shimano 12 speed: When starting twelve velocity Shimano drivetrains there is a line around the back of your derailleur as shown in the main impression. Change into the 2nd to greatest gear, line up the edge of the biggest equipment with the road about the derailleur to receive the ideal B-rigidity.When the chain rubs on the again plate of your fron