Sorry to bring up a very old thread (for the second time), but there was never really an answer given in the thread (short of replacing the drivetrain all together). I recently got a chain for a bike I’m building up. It is the KMC 810 BMX/Track “Kool” Chain (they make it in 3/32 and it is around $14/$15). I’m a few weeks out from the completion of the build up, so I put the new chain on my 03 Pista in hopes that the drivetrain would shut the **** up. It did! Yeah quiet drivetrain.