I am using the Novara shopping panniers attached to a Topeak Super Tourist DX rack. With the dopped side bars on the Topeak rack my older style Topeak MTX trunk bag also fits on even with the panniers folded. I like the quick release feature for the panniers which are very secure when installed. They are also large enough to hold a standard paper bag or one of the cloth reusable bags my local market has for 99 cents each.
IMO the only disadvantage is no top covers are provided.
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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/