Breezer offers a number of U frame IGH town bikes similar to the Dutch one pictured. Aluminum frames rather than steel so might be considerably lower weight than many of the genuine Dutch models. Versions listed with 3, 7 or 8 speed Shimano hubs.
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Gear Hubs Owned: Rohloff disc brake, SRAM iM9 disc brake, SRAM P5 freewheel, Sachs Torpedo 3 speed freewheel, NuVinci CVT, Shimano Alfine SG S-501, Sturmey Archer S5-2 Alloy. Other: 83 Colnago Super Record, Univega Via De Oro
Visit and join the Yahoo Geared Hub Bikes group for support and links.
http://groups.yahoo.com/group/Geared_hub_bikes/