Originally Posted by
mort1369
To be honest, it's my first fixie, so I don't have any other reference (I am building a single-speed fixie). The thing I found odd is that is has a bit of slop in it (I believe amateur conversions have the same situation), so occasionally you get a sort of "bucking" feeling.
I'm one step behind you, since I've only read about the S3C but haven't tried one. From what I've read, a certain amount of slop or gear lash is inherent to the S3C, so your build may be as good as it gets.