MADB Retrobike Rider Feedback View Oct 19, 2012 #11 Sorry missed this thread but Fluffy put me onto it. I have one and my shim has stamped on it 30.2 - 27.2 but I thought these where a 29.6 seat post? any way mine works very well, no slipping. Brian
Sorry missed this thread but Fluffy put me onto it. I have one and my shim has stamped on it 30.2 - 27.2 but I thought these where a 29.6 seat post? any way mine works very well, no slipping. Brian