If you're considering a Topeak rack, consider getting the SuperTourist DX (non-disc specific). Treefort is about the only place I've found that actually has the non disc version. http://www.treefortbikes.com/home#na...22373790___448

This rack will allow you to use all Topeak bags equipped with the MTX system, virtually all other non-QR bags from other brands, and makes mounting panniers easier with a trunk bag on top.