Originally Posted by
Elkhound
Try a Schlumpf.
Will not do what the OP wants. He wants half step gearing from the front changer to give very small steps between gears. The Schlumpf, and other two speed planetary front cranksets, are all wide range.
__________________
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/