twohubs.com
http://www.twohubs.com/Product/Rotor/Rotor-q-ring-aero-chainrings/728622
130BCD you get to choose 50,52,53,54,55 for you big ring and 39 or 42 for little
110BCD (recommend even in flat land) you get to choose 50, 52, 53 big ring, and 34,36,38 little ring.
KMC 11sp or 10sp SLX chain...