I converted a old Kon Humu cruiser to Sturmey Archer 5 speed using a NOS S5-2 Alloy hub I picked up on the Geared Hub Bikes Yahoo group. This is a old dual shift cable hub and it is currently being shifted using a friction thumb shifter for the left side cable and a standard SA trigger shifter for the right side cable though the right side shifting will probably be converted to the new SA 3 speed thumb shifter.
I like it in part due to the hub being old enough so it is oil lubricated rather than greased and IMO this is preferable.
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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/