A knocking sound?
I have a Colnago Titanio (1999) and since I've owned it (a couple of months) I've heard maybe 3-4 times a "knock" sound from somewhere on the bike. It doesn't happen at any particular time...like not when I'm stressing it up a hill or right when I start off. Does anyone know what is up?
Bike stats:
Full DUra ace 9spd group
Spinergy wheelset (I know I'll change them soon)