Phil,
the same thing used to happen to my MTB before I 'converted' it, I used to remedy it by tightening the little screws on the front and rear derailleurs. Bit of a trial and error thing, tighten them too much and you won't get the full gear range. If you're more conscientious than I, take it for a service.
Phil,
the same thing used to happen to my MTB before I 'converted' it, I used to remedy it by tightening the little screws on the front and rear derailleurs. Bit of a trial and error thing, tighten them too much and you won't get the full gear range. If you're more conscientious than I, take it for a service.