Originally Posted by
Maelochs
Why would they fall out of alignment? If your bike is built well and you keep everything tight and right ... what is going to "fall out of alignment"? I have three bikes with 11 speeds, a tern and a nine, an 8 and a seven. They all work. They all stay working.
The biggest thing that would cause them to come out of adjustment would be poor quality cables and housings that stretch and compress more with age. Or clamp bolt isn't right enough.