Perhaps somebody can give me some insight into the following problem (I ride a Trek 1000 with about 1500km on it) :
Virtually everytime I switch gears in the rear, I hear a squeak coming from the rear of the bike. Shifting in the front is Okay. Every once in a while, while pedalling I hear a smaller squeak as well (this is more likely to happen while sprinting or climbing)
Any ideas of what this could be, or things that I could do to prevent it.
Thanks in advance!