Joined: Mar 2014
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Bikes: Foundry Chilkoot Ti W/Ultegra Di2, Salsa Timberjack Ti, Cinelli Mash Work RandoCross Fun Time Machine, 1x9 XT Parts Hybrid, Co-Motion Cascadia, Specialized Langster, Phil Wood Apple VeloXS Frame (w/DA 7400), R+M Supercharger2 Rohloff, Habanero Ti 26
I don't think Shimano makes the LX or Ultegra level dynamo anymore or is at least not available to the U.S. market. However the Alfine is just fine from what I have heard but from my research is a touch heavier than others like SON and SP.
I can ask on the Shimano S-Tec forum and see if they still make the Ultegra or LX level dynamos but I have my doubts. I think Alfine just took those over and is sort of the top quality in Dynamo.