crank alinement

Change the limit adjustment on the derailleur.

"zakfarg" <[email hidden]> wrote in message news:2ag8b.323278$cF.98012@rwcrnsc53...

Quoted message said:

I have a campy record group and a shimano crank with dura ace chainrings

and

Quoted message said:

a 12-25 campy cassette.

my problem is, the chain rubs on the front derailleur , when in the
39/12,13,14 tooth clog.

I already tried to move the BB out 2 mm but this did not stop the problem.

any suggestions

Thanks Michael

Michael said:

I have a campy record group and a shimano crank with dura ace chainrings

and

Quoted message said:

a 12-25 campy cassette.

my problem is, the chain rubs on the front derailleur , when in the
39/12,13,14 tooth clog.

I already tried to move the BB out 2 mm but this did not stop the problem.

Are you sure the chain isn't rubbing on the large chainring? That is fairly common when on the
39/12 combo.

Art Harris