If you have been inside of a crash or broken the bike somehow, This can be the probable lead to. It is additionally feasible, but not as likely, the limit screws are leading to this The furthest inboard the rear derailleur ought to be capable of go is The purpose https://dallaslesfm.wssblogs.com/32802188/the-fact-about-indexing-bike-gears-that-no-one-is-suggesting