Originally Posted by
Easy Peasy
Have a trek 7300 that's my daily commuter, just came back from a tune up at the LBS.
I'm pedaling along and once in a while it feels like there's no resistance. I'm also experiencing occasional ghost shifting of the back derailleur.
Any ideas? Are these related? Thanks.
Like people have said it could be that the RD isn't adjusted quite right. If you've got a badly worn chain that might do it, or if you've put a new chain on a badly worn cassette that could also do it.
ETA - never mind, should have read the rest of the thread.