Just asking if anybody else has had the same issue? My bike shifts prefectly between small and big chainring but when I want to trim the derailleur inwards when going to a larger cog on the sprocket it hardly moves, maybe a quarter of a mm . I had a look at another chaps bike this morning after a ride and his trims a good mm inwards . I have tried tensioning and de tensioning the barrel adjuster but it doesnt do anything. Could a worn shifter or even a bad cable housing cause this?
