Answer: This is often mostly attributable to improperly setup derailleur limit screws and these would require adjusting. It can be caused by a bent derailleur hanger If your chain rubs around the back again plate of the front derailleur then the cable will must be loosened. Check out your chain https://tysonkewob.arwebo.com/55547672/examine-this-report-on-indexing-bike-gears