Originally Posted by
Troul
nonissue imo. Nothing sticks out as a real concern. LBS would unlikely support such setup.. it's not cookie cutter nor would all the part numbers be associated. Pretty much anything that the bicycle was never OEM fitted with would be backed by a retailer.
So, you think, for example, that a 9-speed chain would work with a 12-speed crankset? I am not disagreeing, I just don't know; I had thought that the gap between chain rings in a 2x crankset is somewhat dependent on the chain.