Originally Posted by Hocam
I don't think Miche uses seals meant for everyday riding. They're track specific so you'll end up overhauling the bearings more than surlys.
I don't know about that. Both use cartridge bearings, so I doubt you'll really have to deal with the bearings often enough to be a nuisance or not.
I'd go with Miche, unless you want to run two differently sized cogs.