David B Old School Grand Master Feedback View May 9, 2011 #1 Currently after a Campag-pattern (135mm 5-arm BCD) ring anywhere between 39 and 42 teeth with some wear left in it for the middle ring on my training bike. Thanks in advance if you might be able to assist. David
Currently after a Campag-pattern (135mm 5-arm BCD) ring anywhere between 39 and 42 teeth with some wear left in it for the middle ring on my training bike. Thanks in advance if you might be able to assist. David
